| Ausstehende Aktien | 67,544,129 shares |
| Insider-Aktien | 19.177.962 shares |
| Insider-Besitz | 28,39 % |
| Insider gesamt | 44 |
Insider-Stimmungswert
Der Insider-Stimmungswert ermittelt die Unternehmen, die von Unternehmensinsidern gekauft werden.
Es ist das Ergebnis eines ausgeklügelten quantitativen Multifaktormodells, das die Unternehmen mit der höchsten Insiderakkumulation identifiziert. Das Scoring-Modell verwendet eine Kombination aus der Nettozahl der Insiderkäufe der letzten 90 Tage, der Gesamtzahl der gekauften Aktien als Prozentsatz des Streubesitzes und der Gesamtzahl der von Insidern gehaltenen Aktien. Die Zahl reicht von 0 bis 100, wobei höhere Zahlen ein höheres Maß an Insiderkäufen anzeigen als bei anderen Unternehmen und 50 den Durchschnitt darstellt.
Aktualisierungshäufigkeit: Täglich
Führungskräfte-Stimmungswert
Der Führungskräfte-Stimmungswert findet Unternehmen, die von Führungskräften des Unternehmens gekauft werden.
Per Definition sind Führungskräfte des Unternehmens Insider, aber im Gegensatz zu anderen Insidern (10%ige Aktionäre und Vorstandsmitglieder) arbeiten Führungskräfte täglich für das Unternehmen und verwenden beim Handel ihr eigenes Geld. (10%ige Aktionäre und Vorstandsmitglieder sind oft Fondsmanager, die das Geld anderer Leute verwalten.) Daher sind Insider-Geschäfte, die von Führungskräften getätigt werden, viel bedeutender und sollten entsprechend behandelt werden.
Wie der Insider-Stimmungswert ist auch der Führungskräfte-Stimmungswert das Ergebnis eines ausgeklügelten quantitativen Multifaktormodells, das die Unternehmen mit der höchsten Führungskräftekonzentration identifiziert.
Aktualisierungshäufigkeit: Täglich
Wichtige Insider-Kennzahlen
Diese Karte zeigt, wie das Unternehmen bei verschiedenen Insider-Kennzahlen abschneidet. Der Perzentil-Rang zeigt, wie dieses Unternehmen im Vergleich zu anderen Unternehmen auf den US-Märkten abschneidet. Höhere Ränge deuten auf eine bessere Situation hin.
Es ist beispielsweise allgemein anerkannt, dass Insiderkäufe ein positiver Indikator sind, so dass Unternehmen mit mehr Insiderkäufen besser abschneiden würden als Unternehmen mit weniger Insiderkäufen (oder sogar Insiderverkäufen).
Prozent des Streubesitzes von Insidern gekauft (Rang)
10104 out of 10786
Prozent des von Insidern gekauften Streubesitzes ist die Gesamtzahl der von Insidern gekauften Aktien abzüglich der Gesamtzahl der von Insidern in den letzten 90 Tagen verkauften Aktien, geteilt durch den gesamten Streubesitz und multipliziert mit 100.
Diagramm zum Insiderhandel
MKS Inc. Insider-Trades sind in der folgenden Grafik dargestellt. Insider sind leitende Angestellte, Direktoren oder bedeutende Investoren in einem Unternehmen. Im Allgemeinen ist es für Insider illegal, auf der Grundlage von wesentlichen, nicht-öffentlichen Informationen mit Aktien ihrer Unternehmen zu handeln. Das bedeutet nicht, dass es für sie illegal ist, irgendwelche Geschäfte in ihren eigenen Unternehmen zu tätigen. Sie müssen jedoch alle Geschäfte der SEC über ein Formular 4 melden.
Kennzahlen zu Insiderlisten und Rentabilität
Diese Tabelle zeigt die Liste der bekannten Insider und wird automatisch aus den bei der SEC eingereichten Unterlagen erstellt. Zusätzlich zu den Namen, dem letzten Titel und der Bezeichnung als Direktor, leitender Angestellter oder 10%-iger Anteilseigner geben wir die zuletzt veröffentlichten Bestände an. Zusätzlich stellen wir, wenn möglich, die historische Handelsperformance für den Insider zur Verfügung. Die historische Handelsperformance ist ein gewichteter Durchschnitt der Performance tatsächlicher offener Kauftransaktionen, die von dem Insider getätigt wurden. Weitere Informationen zur Berechnung dieses Wertes finden Sie in diesem YouTube-Webinar.
See our leaderboard of most profitable insider traders.
| Insider | Durchschnittlicher Gewinn (%) | Aktien in Besitz |
Split Angepasst |
|---|---|---|---|
| Robert R Anderson Director - [D] | 9.296 | 9.296 | |
|
Astec America Inc
10% Owner -
|
5.347.405 | 5.347.405 | |
| John R Abrams Sr. VP, Global Sales - [O] | 6.864 | 6.864 | |
| Cristina Amon Director - [D] | 29.283 | 29.283 | |
| Seth H Bagshaw EVP, CFO & Treasurer - [O] | 1 | 1 | |
| Leo Berlinghieri - | 157.546 | 157.546 | |
| John R Bertucci Director - [D] | 67.275 | 67.275 | |
| Raj Batra Director - [D] | 16.227 | 16.227 | |
| Gregory R Beecher Director - [D] | 1.981 | 1.981 | |
| Kathleen Flaherty Burke EVP, GC & Secretary - [O] | 49.439 | 49.439 | |
| Peter Iii Cannone Director - [D] | 7.794 | 7.794 | |
| Richard S Chute Director - [D] | 6.616 | 6.616 | |
| Gerard G Colella Director - [D] | 20.017 | 20.017 | |
|
Carlyle Group L.P.
10% Owner -
|
6.482.732 | 6.482.732 |
| Insider | Durchschnittlicher Gewinn (%) | Aktien in Besitz |
Split Angepasst |
|---|---|---|---|
|
Carlyle Partners VI Cayman Holdings, L.P.
10% Owner -
|
6.482.732 | 6.482.732 | |
| Joseph B Donahue Director - [D] | 10.033 | 10.033 | |
| Renee Martel Donlan EVP, GC & CCO - [O] | 9.472 | 9.472 | |
|
Electric Co Emerson
10% Owner -
|
5.347.405 | 5.347.405 | |
| Paul Eyerman VP & GM, ENI and Medical - [O] | 17.375 | 17.375 | |
| Mark Milton Gitin EVP & GM, PSD - [O] | 16.134 | 16.134 | |
| Peter Hanley Director - [D] | 1.501 | 1.501 | |
| Janice K Henry Director - [D] | 1.989 | 1.989 | |
| David Philip Henry EVP, Global Str Mktg & GM, MSD - [O] | 10.422 | 10.422 | |
| Rick D Hess Director - [D] | 5.468 | 5.468 | |
| Wissam G Jabre Director - [D] | 5.270 | 5.270 | |
| Hans Jochen Kahl Director - [D] | 8.000 | 8.000 | |
| John Tseng-Chung Lee President & CEO, Director - [D] [O] | 144.696 | 144.696 | |
| Paul Loomis VP & GM, Astex - [O] | 6.531 | 6.531 | |
| Ramakumar Mayampurath EVP & CFO - [O] | 1 | 1 |
| Insider | Durchschnittlicher Gewinn (%) | Aktien in Besitz |
Split Angepasst |
|---|---|---|---|
| Michelle M McCarthy SVP & Chief Accounting Officer - [O] | 2.436 | 2.436 | |
| Jacqueline F Moloney Director - [D] | 8.775 | 8.775 | |
| Elizabeth Mora Director - [D] | 19.145 | 19.145 | |
| Robert J Phillippy Director - [D] | 7.355 | 7.355 | |
| Brian Charles Quirk Sr. VP, Global Operations - [O] | 17.641 | 17.641 | |
| John Alexander Smith Sr. VP, ASG - [O] | 5.931 | 5.931 | |
| William D Stewart VP/GM, Vacuum Products - [O] | 15.261 | 15.261 | |
| James Alan Schreiner EVP & COO - [O] | 23.402 | 23.402 | |
| Eric Robert Taranto EVP & GM, VSD - [O] | 12.596 | 12.596 | |
| Louis P Valente Director - [D] | 12.000 | 12.000 | |
| Ronald Weigner V.P., C.F.O & Treasurer - [O] | 7.050 | 7.050 | |
| Geoffrey Wild Director - [D] | 107.620 | 107.620 | |
| Michelle M Warner Director - [D] | 10.852 | 10.852 | |
| Dennis L Werth Sr. VP, Business Units - [O] | 1.244 | 1.244 | |
| John Edward Williams EVP & GM, PSD - [O] | 4.555 | 4.555 |
Report errors via our new Insider Auditing Tool
Erfolgsbilanz der Insiderkäufe - Kurzfristige Gewinnanalyse
In diesem Abschnitt analysieren wir die Rentabilität jedes ungeplanten Insiderkaufs, der auf dem freien Markt in MKSI / MKS Inc. getätigt wurde. Diese Analyse hilft zu verstehen, ob der Insider beständig abnormale Renditen erzielt und es sich lohnt, ihm zu folgen. Diese Analyse bezieht sich auf ein Jahr nach jedem Handel, und die Ergebnisse sind theoretisch .
Die folgende Tabelle zeigt die jüngsten Käufe am offenen Markt, die nicht Teil eines automatischen Handelsplans waren.
Bereinigter Preis ist der splitbereinigte Preis. Bereinigte Aktien sind die um den Split bereinigten Aktien.
Erfolgsbilanz von Insiderverkäufen - Kurzfristige Verlustanalyse
In diesem Abschnitt analysieren wir die kurzfristige Verlustvermeidung jedes ungeplanten Insider-Verkaufs auf dem freien Markt in MKSI / MKS Inc.. Ein konsistentes Muster der Verlustvermeidung kann darauf hindeuten, dass zukünftige Verkaufstransaktionen Kursrückgänge vorhersagen können. Diese Analyse bezieht sich auf ein Jahr nach jedem Handel, und die Ergebnisse sind theoretisch .
Die folgende Tabelle zeigt die jüngsten Verkäufe am offenen Markt, die nicht Teil eines automatischen Handelsplans waren.
Bereinigter Preis ist der splitbereinigte Preis. Bereinigte Aktien sind die um den Split bereinigten Aktien.
Transaktionshistorie
Klicken Sie auf das Link-Symbol, um den vollständigen Transaktionsverlauf anzuzeigen. Transaktionen, die im Rahmen eines automatischen Handelsplans 10b5-1 gemeldet werden, sind in der Spalte 10b-5 mit einem X gekennzeichnet.
| Datei Datum |
Handel Datum |
Form | Insider | Ticker | Wertpapier-Titel | Code | Direkt | Ausführung Preis |
Einheit Preis |
Eimheiten Verändert |
Wert Geändert (1K) |
Verbleibende Optionen |
Verbleibende Aktien |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-04 | 3 | Donlan Renee Martel | MKSI | Common Stock | D | 9.472 | ||||||||
| 2026-06-02 | 2026-06-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 318,0200 | -300 | -95 | 19.145 | ||||
| 2026-06-02 | 2026-06-01 | 4 | Henry David Philip | MKSI | Common Stock | D | 314,4305 | -6.000 | -1.887 | 10.422 | ||||
| 2026-05-28 | 2026-05-27 | 4 | COLELLA GERARD G By The Gerald G. Colella 2019 Trust | MKSI | Common Stock | I | 338,5800 | -2.800 | -948 | 20.017 | ||||
| 2026-05-28 | 2026-05-27 | 4 | COLELLA GERARD G By The Gerald G. Colella 2019 Trust | MKSI | Common Stock | I | 337,0505 | -213 | -72 | 22.817 | ||||
| 2026-05-28 | 2026-05-27 | 4 | COLELLA GERARD G By The Gerald G. Colella 2019 Trust | MKSI | Common Stock | I | 336,5429 | -1.626 | -547 | 23.030 | ||||
| 2026-05-28 | 2026-05-27 | 4 | COLELLA GERARD G By The Gerald G. Colella 2019 Trust | MKSI | Common Stock | I | 335,4580 | -1.811 | -608 | 24.656 | ||||
| 2026-05-28 | 2026-05-27 | 4 | COLELLA GERARD G By The Gerald G. Colella 2019 Trust | MKSI | Common Stock | I | 332,0414 | -4.876 | -1.619 | 26.467 | ||||
| 2026-05-28 | 2026-05-27 | 4 | COLELLA GERARD G By The Gerald G. Colella 2019 Trust | MKSI | Common Stock | I | 331,4488 | -8.210 | -2.721 | 31.343 | ||||
| 2026-05-28 | 2026-05-27 | 4 | COLELLA GERARD G By The Gerald G. Colella 2019 Trust | MKSI | Common Stock | I | 330,3828 | -464 | -153 | 39.553 | ||||
| 2026-05-28 | 2026-05-27 | 4 | Donahue Joseph B | MKSI | Common Stock | D | 327,9540 | -2.100 | -689 | 10.033 | ||||
| 2026-05-27 | 2026-05-26 | 4 | Henry David Philip | MKSI | Common Stock | D | 330,5000 | -2.500 | -826 | 16.341 | ||||
| 2026-05-26 | 2026-05-22 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 315,4800 | -10.000 | -3.155 | 144.696 | ||||
| 2026-05-26 | 2026-05-22 | 4 | Mayampurath Ramakumar | MKSI | Common Stock | D | 315,4800 | -8.810 | -2.779 | 1 | ||||
| 2026-05-19 | 2026-05-18 | 4 | CANNONE PETER III | MKSI | Common Stock | D | 303,4001 | -1.350 | -410 | 7.794 | ||||
| 2026-05-15 | 2026-05-14 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 312,1969 | -1.000 | -312 | 8.775 | ||||
| 2026-05-14 | 2026-05-13 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 318,9900 | -1.400 | -447 | 9.775 | ||||
| 2026-05-12 | 2026-05-11 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 319,9300 | -2.849 | -911 | 12.596 | ||||
| 2026-05-12 | 2026-05-11 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 782 | 11.175 | ||||||
| 2026-05-12 | 2026-05-11 | 4 | JABRE WISSAM G | MKSI | Common Stock | D | 782 | 5.270 | ||||||
| 2026-05-12 | 2026-05-11 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 782 | 19.445 | ||||||
| 2026-05-12 | 2026-05-11 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 319,9350 | -4.355 | -1.393 | 49.439 | ||||
| 2026-05-12 | 2026-05-11 | 4 | Donahue Joseph B | MKSI | Common Stock | D | 782 | 12.133 | ||||||
| 2026-05-12 | 2026-05-11 | 4 | CANNONE PETER III | MKSI | Common Stock | D | 782 | 9.144 | ||||||
| 2026-05-12 | 2026-05-11 | 4 | Batra Raj | MKSI | Common Stock | D | 782 | 16.227 | ||||||
| 2026-05-12 | 2026-05-11 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 782 | 8.999 | ||||||
| 2026-04-20 | 2026-04-17 | 4 | Williams John Edward | MKSI | Common Stock | D | 269,8900 | -826 | -223 | 4.555 | ||||
| 2026-04-20 | 2026-04-17 | 4 | Williams John Edward | MKSI | Common Stock | D | 1.741 | 5.381 | ||||||
| 2026-04-16 | 2026-04-15 | 4 | McCarthy Michelle M | MKSI | Common Stock | D | 274,1500 | -1.375 | -377 | 2.436 | ||||
| 2026-04-16 | 2026-04-15 | 4 | McCarthy Michelle M | MKSI | Common Stock | D | 1.736 | 3.811 | ||||||
| 2026-04-16 | 2026-04-15 | 4 | McCarthy Michelle M | MKSI | Common Stock | D | 1.107 | 2.075 | ||||||
| 2026-04-16 | 2026-04-15 | 4 | McCarthy Michelle M | MKSI | Common Stock | D | 968 | 968 | ||||||
| 2026-03-13 | 2026-03-12 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 213,7717 | -340 | -73 | 10.393 | ||||
| 2026-03-09 | 2026-03-06 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 220,5220 | -4.568 | -1.007 | 15.445 | ||||
| 2026-03-03 | 2026-03-02 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 239,4400 | -300 | -72 | 18.663 | ||||
| 2026-02-25 | 2026-02-24 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 255,0000 | -4.100 | -1.046 | 23.402 | ||||
| 2026-02-24 | 2026-02-24 | 4 | COLELLA GERARD G By The Gerald G. Colella 2019 Trust | MKSI | Common Stock | I | 253,9675 | -10.000 | -2.540 | 40.017 | ||||
| 2026-02-24 | 2026-02-20 | 4 | COLELLA GERARD G By The Gerald G. Colella 2019 Trust | MKSI | Common Stock | I | 252,8999 | -10.000 | -2.529 | 50.017 | ||||
| 2026-02-23 | 2026-02-20 | 4 | CANNONE PETER III | MKSI | Common Stock | D | 258,0596 | -1.250 | -323 | 8.362 | ||||
| 2026-02-23 | 2026-02-20 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 247,5500 | -1.453 | -360 | 20.013 | ||||
| 2026-02-23 | 2026-02-20 | 4 | Henry David Philip | MKSI | Common Stock | D | 261,5601 | -2.000 | -523 | 18.841 | ||||
| 2026-02-23 | 2026-02-20 | 4 | McCarthy Michelle M | MKSI | Common Stock | D | 250,3479 | -816 | -204 | 0 | ||||
| 2026-02-23 | 2026-02-20 | 4 | McCarthy Michelle M | MKSI | Common Stock | D | 249,5674 | -650 | -162 | 816 | ||||
| 2026-02-23 | 2026-02-20 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 247,5500 | -829 | -205 | 10.733 | ||||
| 2026-02-23 | 2026-02-20 | 4 | Williams John Edward | MKSI | Common Stock | D | 256,4075 | -2.043 | -524 | 3.640 | ||||
| 2026-02-23 | 2026-02-20 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 250,0000 | -4.254 | -1.064 | 53.794 | ||||
| 2026-02-23 | 2026-02-20 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 259,7032 | -1.890 | -491 | 154.696 | ||||
| 2026-02-23 | 2026-02-20 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 257,8084 | -1.988 | -513 | 156.586 | ||||
| 2026-02-23 | 2026-02-20 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 256,9313 | -12.812 | -3.292 | 158.574 | ||||
| 2026-02-23 | 2026-02-20 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 256,0538 | -13.310 | -3.408 | 171.386 | ||||
| 2026-02-18 | 2026-02-17 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 260,7400 | -2.712 | -707 | 21.465 | ||||
| 2026-02-18 | 2026-02-17 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 1.303 | 24.177 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 1.167 | 22.874 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 976 | 21.707 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 348 | 20.731 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 914 | 20.382 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 1.764 | 19.468 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Henry David Philip | MKSI | Common Stock | D | 260,7400 | -4.097 | -1.068 | 20.841 | ||||
| 2026-02-18 | 2026-02-17 | 4 | Henry David Philip | MKSI | Common Stock | D | 2.054 | 24.939 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.841 | 22.885 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.278 | 21.044 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Henry David Philip | MKSI | Common Stock | D | 456 | 19.766 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.247 | 19.310 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Henry David Philip | MKSI | Common Stock | D | 2.406 | 18.062 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 260,7400 | -4.344 | -1.133 | 27.502 | ||||
| 2026-02-18 | 2026-02-17 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.944 | 31.846 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.741 | 29.902 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.211 | 28.161 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 432 | 26.950 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.330 | 26.517 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 2.567 | 25.187 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Williams John Edward | MKSI | Common Stock | D | 260,7400 | -1.195 | -312 | 5.683 | ||||
| 2026-02-18 | 2026-02-17 | 4 | Williams John Edward | MKSI | Common Stock | D | 1.106 | 6.878 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Williams John Edward | MKSI | Common Stock | D | 991 | 5.772 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Williams John Edward | MKSI | Common Stock | D | 841 | 4.781 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Williams John Edward | MKSI | Common Stock | D | 300 | 3.940 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Mayampurath Ramakumar | MKSI | Common Stock | D | 260,7400 | -2.516 | -656 | 8.811 | ||||
| 2026-02-18 | 2026-02-17 | 4 | Mayampurath Ramakumar | MKSI | Common Stock | D | 2.702 | 11.327 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Mayampurath Ramakumar | MKSI | Common Stock | D | 2.958 | 8.625 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 260,7400 | -5.318 | -1.387 | 58.048 | ||||
| 2026-02-18 | 2026-02-17 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 2.493 | 63.366 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 2.336 | 60.873 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.576 | 58.537 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 563 | 56.961 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.788 | 56.399 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 3.451 | 54.611 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 260,7400 | -32.548 | -8.487 | 184.696 | ||||
| 2026-02-18 | 2026-02-17 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 12.091 | 217.244 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 16.989 | 205.153 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 7.208 | 188.164 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.859 | 180.956 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 7.654 | 177.097 | ||||||
| 2026-02-18 | 2026-02-17 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 22.088 | 169.443 | ||||||
| 2025-12-03 | 2025-12-02 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 158,8100 | -300 | -48 | 18.963 | ||||
| 2025-11-18 | 2025-11-17 | 4 | Mayampurath Ramakumar | MKSI | Common Stock | D | 142,7400 | -2.628 | -375 | 5.667 | ||||
| 2025-11-18 | 2025-11-17 | 4 | Mayampurath Ramakumar | MKSI | Common Stock | D | 8.295 | 8.295 | ||||||
| 2025-11-04 | 2025-10-31 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 143,7100 | -777 | -112 | 51.075 | ||||
| 2025-11-04 | 2025-10-31 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 341 | 51.852 | ||||||
| 2025-11-04 | 2025-10-31 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 144 | 51.511 | ||||||
| 2025-11-04 | 2025-10-31 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 82 | 51.367 | ||||||
| 2025-11-04 | 2025-10-31 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 52 | 51.285 | ||||||
| 2025-11-04 | 2025-10-31 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 158 | 51.233 | ||||||
| 2025-11-04 | 2025-10-31 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 143,7100 | -2.003 | -288 | 147.270 | ||||
| 2025-11-04 | 2025-10-31 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.651 | 149.273 | ||||||
| 2025-11-04 | 2025-10-31 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 352 | 147.622 | ||||||
| 2025-10-23 | 2025-10-22 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 138,6800 | -711 | -99 | 22.535 | ||||
| 2025-10-02 | 2025-10-01 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 122,1400 | -300 | -37 | 11.562 | ||||
| 2025-09-19 | 2025-09-18 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 124,0000 | -838 | -104 | 23.246 | ||||
| 2025-09-19 | 2025-09-18 | 4 | Henry David Philip | MKSI | Common Stock | D | 130,0000 | -5.000 | -650 | 15.571 | ||||
| 2025-09-03 | 2025-09-02 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 99,8500 | -300 | -30 | 19.263 | ||||
| 2025-08-19 | 2025-08-18 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 100,2200 | -1.249 | -125 | 24.084 | ||||
| 2025-08-19 | 2025-08-18 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 2.641 | 25.333 | ||||||
| 2025-08-18 | 2025-08-15 | 4 | Williams John Edward | MKSI | Common Stock | D | 104,7300 | -308 | -32 | 3.640 | ||||
| 2025-08-18 | 2025-08-15 | 4 | Williams John Edward | MKSI | Common Stock | D | 947 | 3.948 | ||||||
| 2025-08-04 | 2025-08-01 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 92,1000 | -300 | -28 | 11.862 | ||||
| 2025-07-08 | 2025-07-07 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 102,4400 | -957 | -98 | 22.692 | ||||
| 2025-07-07 | 2025-07-03 | 4 | Henry David Philip | MKSI | Common Stock | D | 105,0000 | -2.000 | -210 | 20.571 | ||||
| 2025-06-03 | 2025-06-02 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 81,7800 | -300 | -25 | 19.563 | ||||
| 2025-05-13 | 2025-05-12 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 2.479 | 19.863 | ||||||
| 2025-05-13 | 2025-05-12 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 2.479 | 12.162 | ||||||
| 2025-05-13 | 2025-05-12 | 4 | JABRE WISSAM G | MKSI | Common Stock | D | 2.479 | 4.488 | ||||||
| 2025-05-13 | 2025-05-12 | 4 | Donahue Joseph B | MKSI | Common Stock | D | 2.479 | 11.351 | ||||||
| 2025-05-13 | 2025-05-12 | 4 | CANNONE PETER III | MKSI | Common Stock | D | 2.479 | 9.612 | ||||||
| 2025-05-13 | 2025-05-12 | 4 | Batra Raj | MKSI | Common Stock | D | 2.479 | 15.445 | ||||||
| 2025-05-13 | 2025-05-12 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 2.479 | 8.217 | ||||||
| 2025-04-18 | 2025-04-17 | 4 | Williams John Edward | MKSI | Common Stock | D | 63,6900 | -565 | -36 | 3.001 | ||||
| 2025-04-18 | 2025-04-17 | 4 | Williams John Edward | MKSI | Common Stock | D | 1.740 | 3.566 | ||||||
| 2025-04-17 | 2025-04-15 | 4 | McCarthy Michelle M | MKSI | Common Stock | D | 68,4800 | -608 | -42 | 1.466 | ||||
| 2025-04-17 | 2025-04-15 | 4 | McCarthy Michelle M | MKSI | Common Stock | D | 1.106 | 2.074 | ||||||
| 2025-04-17 | 2025-04-15 | 4 | McCarthy Michelle M | MKSI | Common Stock | D | 968 | 968 | ||||||
| 2025-03-04 | 2025-03-03 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 92,4600 | -275 | -25 | 17.384 | ||||
| 2025-03-04 | 2025-03-03 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 92,4600 | -300 | -28 | 9.683 | ||||
| 2025-02-19 | 2025-02-18 | 4 | Williams John Edward | MKSI | Common Stock | D | 103,6700 | -901 | -93 | 1.826 | ||||
| 2025-02-19 | 2025-02-18 | 4 | Williams John Edward | MKSI | Common Stock | D | 841 | 2.727 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Williams John Edward | MKSI | Common Stock | D | 300 | 1.886 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Williams John Edward | MKSI | Common Stock | D | 658 | 1.586 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Williams John Edward | MKSI | Common Stock | D | 915 | 928 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 103,6700 | -1.760 | -182 | 17.467 | ||||
| 2025-02-19 | 2025-02-18 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 975 | 19.227 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 348 | 18.252 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 914 | 17.904 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 1.764 | 16.990 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 805 | 15.226 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 1.119 | 14.421 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 103,6700 | -3.648 | -378 | 23.497 | ||||
| 2025-02-19 | 2025-02-18 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.211 | 27.145 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 432 | 25.934 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.329 | 25.502 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 2.566 | 24.173 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.173 | 21.607 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.630 | 20.434 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Henry David Philip | MKSI | Common Stock | D | 103,6700 | -2.372 | -246 | 22.419 | ||||
| 2025-02-19 | 2025-02-18 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.278 | 24.791 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Henry David Philip | MKSI | Common Stock | D | 456 | 23.513 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.246 | 23.057 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Henry David Philip | MKSI | Common Stock | D | 2.406 | 21.811 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.099 | 19.405 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.528 | 18.306 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 103,6700 | -3.970 | -412 | 50.922 | ||||
| 2025-02-19 | 2025-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.648 | 54.892 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 588 | 53.244 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.870 | 52.656 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 3.608 | 50.786 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.645 | 47.178 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 2.287 | 45.533 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 103,6700 | -27.332 | -2.834 | 147.117 | ||||
| 2025-02-19 | 2025-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 7.207 | 174.449 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 4.035 | 167.242 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 7.654 | 163.207 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 22.088 | 155.553 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 6.735 | 133.465 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 14.041 | 126.730 | ||||||
| 2025-02-19 | 2025-02-18 | 4 | COLELLA GERARD G By The Gerald G. Colella 2019 Trust | MKSI | Common Stock | I | 104,5280 | -8.000 | -836 | 60.017 | ||||
| 2024-12-11 | 2024-12-10 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 114,8000 | -300 | -34 | 9.983 | ||||
| 2024-12-10 | 2024-12-06 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 114,6000 | -2.994 | -343 | 112.689 | ||||
| 2024-12-10 | 2024-12-06 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 984 | 115.683 | ||||||
| 2024-12-10 | 2024-12-06 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.010 | 114.699 | ||||||
| 2024-12-03 | 2024-12-02 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 113,4100 | -275 | -31 | 17.659 | ||||
| 2024-11-05 | 2024-11-04 | 4 | JABRE WISSAM G | MKSI | Common Stock | D | 2.009 | 2.009 | ||||||
| 2024-10-02 | 2024-10-01 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 108,9000 | -250 | -27 | 10.283 | ||||
| 2024-09-04 | 2024-09-03 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 115,9700 | -275 | -32 | 17.934 | ||||
| 2024-08-20 | 2024-08-19 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 119,0900 | -1.873 | -223 | 18.705 | ||||
| 2024-08-20 | 2024-08-19 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 3.961 | 20.578 | ||||||
| 2024-08-19 | 2024-08-16 | 4 | Williams John Edward | MKSI | Common Stock | D | 118,7100 | -1.800 | -214 | 13 | ||||
| 2024-08-16 | 2024-08-15 | 4 | Williams John Edward | MKSI | Common Stock | D | 113,9100 | -307 | -35 | 1.813 | ||||
| 2024-08-16 | 2024-08-15 | 4 | Williams John Edward | MKSI | Common Stock | D | 946 | 2.120 | ||||||
| 2024-08-02 | 2024-08-01 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 123,4600 | -250 | -31 | 10.533 | ||||
| 2024-06-04 | 2024-06-03 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 129,4100 | -275 | -36 | 18.209 | ||||
| 2024-05-15 | 3 | Williams John Edward | MKSI | Common Stock | D | 1.174 | ||||||||
| 2024-05-08 | 2024-05-07 | 4 | Warner Michelle M | MKSI | Common Stock | D | 1.622 | 10.852 | ||||||
| 2024-05-08 | 2024-05-07 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 1.622 | 10.783 | ||||||
| 2024-05-08 | 2024-05-07 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 1.622 | 18.484 | ||||||
| 2024-05-08 | 2024-05-07 | 4 | Donahue Joseph B | MKSI | Common Stock | D | 1.622 | 8.871 | ||||||
| 2024-05-08 | 2024-05-07 | 4 | CANNONE PETER III | MKSI | Common Stock | D | 1.622 | 7.133 | ||||||
| 2024-05-08 | 2024-05-07 | 4 | Batra Raj | MKSI | Common Stock | D | 1.622 | 12.966 | ||||||
| 2024-05-08 | 2024-05-07 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 1.622 | 5.738 | ||||||
| 2024-04-02 | 2024-04-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 133,0000 | -250 | -33 | 16.862 | ||||
| 2024-03-04 | 2024-03-01 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 122,8900 | -250 | -31 | 9.161 | ||||
| 2024-03-04 | 2024-03-01 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 122,8900 | -7.411 | -911 | 42.999 | ||||
| 2024-02-26 | 2024-02-22 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 124,5595 | -1.000 | -125 | 1 | ||||
| 2024-02-26 | 2024-02-22 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 124,0200 | -11.612 | -1.440 | 1.001 | ||||
| 2024-02-26 | 2024-02-22 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 122,7941 | -20.253 | -2.487 | 12.613 | ||||
| 2024-02-20 | 2024-02-16 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 124,1000 | -1.917 | -238 | 9.411 | ||||
| 2024-02-16 | 2024-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 122,1500 | -1.694 | -207 | 13.055 | ||||
| 2024-02-16 | 2024-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 914 | 14.749 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 1.764 | 13.835 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 804 | 12.071 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 1.118 | 11.267 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 387 | 10.149 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 775 | 9.761 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 122,1500 | -3.756 | -459 | 16.468 | ||||
| 2024-02-16 | 2024-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.329 | 20.224 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 2.565 | 18.895 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.173 | 16.330 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.629 | 15.157 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 654 | 13.528 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.307 | 12.874 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 122,1500 | -2.692 | -329 | 16.530 | ||||
| 2024-02-16 | 2024-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.246 | 19.222 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 2.405 | 17.976 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.100 | 15.571 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.528 | 14.471 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 581 | 12.943 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.162 | 12.362 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 122,1500 | -2.552 | -312 | 16.134 | ||||
| 2024-02-16 | 2024-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 1.030 | 18.686 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 1.988 | 17.656 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 907 | 15.668 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 1.260 | 14.761 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 552 | 13.501 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 1.104 | 12.949 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 122,1500 | -4.912 | -600 | 50.410 | ||||
| 2024-02-16 | 2024-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.869 | 55.322 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 3.608 | 53.453 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.645 | 49.845 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 2.287 | 48.200 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.017 | 45.913 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 2.033 | 44.896 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 122,1500 | -9.173 | -1.120 | 32.866 | ||||
| 2024-02-16 | 2024-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.762 | 42.039 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 6.791 | 39.277 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.430 | 32.486 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 4.129 | 30.056 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 1.525 | 25.927 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.729 | 24.402 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 122,1500 | -30.231 | -3.693 | 112.441 | ||||
| 2024-02-16 | 2024-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 7.653 | 142.672 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 23.093 | 135.019 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 6.734 | 111.926 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 14.041 | 105.192 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.778 | 91.151 | ||||||
| 2024-02-16 | 2024-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 9.235 | 87.373 | ||||||
| 2024-02-12 | 2024-02-09 | 4 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | 120,0003 | -10.000 | -1.200 | 68.017 | ||||
| 2024-01-23 | 2024-01-22 | 4 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | 110,0004 | -10.000 | -1.100 | 78.017 | ||||
| 2024-01-03 | 2024-01-02 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 100,9000 | -250 | -25 | 17.112 | ||||
| 2023-12-05 | 2023-12-01 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 84,1900 | -699 | -59 | 20.673 | ||||
| 2023-12-05 | 2023-12-01 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 350 | 21.372 | ||||||
| 2023-12-05 | 2023-12-01 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 349 | 21.022 | ||||||
| 2023-12-05 | 2023-12-01 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 84,1900 | -3.275 | -276 | 78.139 | ||||
| 2023-12-05 | 2023-12-01 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 970 | 81.414 | ||||||
| 2023-12-05 | 2023-12-01 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 569 | 80.444 | ||||||
| 2023-12-05 | 2023-12-01 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 160 | 79.875 | ||||||
| 2023-12-05 | 2023-12-01 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.186 | 79.715 | ||||||
| 2023-12-05 | 2023-12-01 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 390 | 78.529 | ||||||
| 2023-12-04 | 2023-12-01 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 82,2300 | -250 | -21 | 11.328 | ||||
| 2023-11-08 | 2023-11-07 | 4 | Henry David Philip | MKSI | Common Stock | D | 68,3447 | 2.500 | 171 | 11.073 | ||||
| 2023-10-03 | 2023-10-02 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 87,1500 | -250 | -22 | 17.362 | ||||
| 2023-09-07 | 2023-09-06 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 97,6629 | -7.073 | -691 | 20.547 | ||||
| 2023-09-07 | 2023-09-06 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 97,1615 | -17.927 | -1.742 | 27.620 | ||||
| 2023-09-01 | 2023-08-31 | 4 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | 100,0056 | -10.000 | -1.000 | 88.017 | ||||
| 2023-08-29 | 2023-08-28 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 95,2550 | -250 | -24 | 11.578 | ||||
| 2023-08-08 | 2023-08-07 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 101,4008 | -5.377 | -545 | 42.738 | ||||
| 2023-08-08 | 2023-08-07 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 101,0837 | -6.186 | -625 | 48.115 | ||||
| 2023-07-05 | 2023-07-03 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 108,4900 | -250 | -27 | 17.612 | ||||
| 2023-06-02 | 2023-06-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 97,1600 | -200 | -19 | 17.862 | ||||
| 2023-06-02 | 2023-06-01 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 97,1600 | -225 | -22 | 11.828 | ||||
| 2023-05-17 | 2023-05-16 | 4 | Warner Michelle M | MKSI | Common Stock | D | 2.369 | 9.230 | ||||||
| 2023-05-17 | 2023-05-16 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 2.369 | 18.062 | ||||||
| 2023-05-17 | 2023-05-16 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 2.369 | 12.053 | ||||||
| 2023-05-17 | 2023-05-16 | 4 | Donahue Joseph B | MKSI | Common Stock | D | 2.369 | 7.250 | ||||||
| 2023-05-17 | 2023-05-16 | 4 | CANNONE PETER III | MKSI | Common Stock | D | 2.369 | 5.511 | ||||||
| 2023-05-17 | 2023-05-16 | 4 | Batra Raj | MKSI | Common Stock | D | 2.369 | 11.344 | ||||||
| 2023-05-17 | 2023-05-16 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 2.369 | 4.116 | ||||||
| 2023-05-12 | 2023-05-11 | 4 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | -1.000 | 98.017 | ||||||
| 2023-05-10 | 2023-05-08 | 4 | Carlyle Partners VI Cayman Holdings, L.P. See footnotes | MKSI | Common Stock | I | 86,1250 | -2.000.000 | -172.250 | 6.482.732 | ||||
| 2023-05-10 | 2023-05-08 | 4 | Carlyle Group L.P. See footnotes | MKSI | Common Stock | I | 86,1250 | -2.000.000 | -172.250 | 6.482.732 | ||||
| 2023-04-19 | 2023-04-17 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 82,3800 | -275 | -23 | 8.710 | ||||
| 2023-04-19 | 2023-04-17 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 935 | 8.985 | ||||||
| 2023-04-19 | 2023-04-17 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 82,3800 | -622 | -51 | 11.568 | ||||
| 2023-04-19 | 2023-04-17 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 1.797 | 12.190 | ||||||
| 2023-03-16 | 2023-03-15 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 86,6700 | -200 | -17 | 15.693 | ||||
| 2023-03-16 | 2023-03-15 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 86,6700 | -225 | -20 | 9.684 | ||||
| 2023-02-16 | 2023-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 100,2900 | -906 | -91 | 8.051 | ||||
| 2023-02-16 | 2023-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 804 | 8.957 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 1.117 | 8.153 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 387 | 7.036 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 774 | 6.649 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 100,2900 | -1.899 | -190 | 11.291 | ||||
| 2023-02-16 | 2023-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.171 | 13.190 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.629 | 12.019 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 653 | 10.390 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.307 | 9.737 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 696 | 8.430 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.001 | 7.735 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 100,2900 | -1.629 | -163 | 8.423 | ||||
| 2023-02-16 | 2023-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.098 | 10.052 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.527 | 8.954 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 581 | 7.427 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.161 | 6.846 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.172 | 5.685 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 100,2900 | -1.323 | -133 | 10.393 | ||||
| 2023-02-16 | 2023-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 906 | 11.716 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 1.260 | 10.810 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 552 | 9.550 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 1.103 | 8.998 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 100,2900 | -3.474 | -348 | 54.151 | ||||
| 2023-02-16 | 2023-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.645 | 57.625 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 2.286 | 55.980 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.016 | 53.694 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 2.033 | 52.678 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.281 | 50.645 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.845 | 49.363 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 100,2900 | -6.976 | -700 | 45.396 | ||||
| 2023-02-16 | 2023-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.431 | 52.372 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 4.303 | 49.942 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 1.525 | 45.638 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.729 | 44.114 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.180 | 40.384 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.837 | 38.205 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 100,2900 | -20.862 | -2.092 | 77.862 | ||||
| 2023-02-16 | 2023-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 7.018 | 98.724 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 14.634 | 91.706 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.937 | 77.072 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 9.624 | 73.135 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 4.282 | 63.511 | ||||||
| 2023-02-16 | 2023-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 7.536 | 59.230 | ||||||
| 2022-12-05 | 2022-12-02 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 83,8600 | -623 | -52 | 34.368 | ||||
| 2022-12-05 | 2022-12-02 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 308 | 34.991 | ||||||
| 2022-12-05 | 2022-12-02 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 315 | 34.683 | ||||||
| 2022-12-02 | 2022-12-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 83,8600 | -200 | -17 | 15.893 | ||||
| 2022-12-02 | 2022-12-01 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 83,8600 | -225 | -19 | 9.909 | ||||
| 2022-10-31 | 2022-10-28 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 84,5800 | -967 | -82 | 47.442 | ||||
| 2022-10-31 | 2022-10-28 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 2.179 | 48.409 | ||||||
| 2022-10-31 | 2022-10-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 84,5800 | -1.933 | -163 | 34.291 | ||||
| 2022-10-31 | 2022-10-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 4.358 | 36.224 | ||||||
| 2022-10-04 | 2022-10-03 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 84,1400 | -225 | -19 | 10.134 | ||||
| 2022-09-19 | 2022-09-16 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 89,1100 | -637 | -57 | 6.656 | ||||
| 2022-09-19 | 2022-09-16 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.434 | 7.293 | ||||||
| 2022-09-02 | 2022-09-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 96,7200 | -200 | -19 | 16.093 | ||||
| 2022-08-29 | 3 | Gamma Holding Co Ltd See footnotes | MKSI | Common Stock | I | 8.482.732 | ||||||||
| 2022-08-29 | 3 | TC Group VI Cayman, L.P. See footnotes | MKSI | Common Stock | I | 8.482.732 | ||||||||
| 2022-08-18 | 2022-08-17 | 4 | WILD GEOFFREY | MKSI | Common Stock | D | 1.813 | 1.813 | ||||||
| 2022-08-18 | 3 | WILD GEOFFREY By The 2007 Geoffrey Wild Revocable Trust | MKSI | Common Stock | I | 105.807 | ||||||||
| 2022-08-02 | 2022-08-01 | 4 | CANNONE PETER III | MKSI | Common Stock | D | 120,0560 | 250 | 30 | 3.142 | ||||
| 2022-08-02 | 2022-08-01 | 4 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | 117,5100 | 1.000 | 118 | 99.017 | ||||
| 2022-05-11 | 2022-05-10 | 4 | Warner Michelle M | MKSI | Common Stock | D | 1.745 | 6.861 | ||||||
| 2022-05-11 | 2022-05-10 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 1.745 | 16.293 | ||||||
| 2022-05-11 | 2022-05-10 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 1.745 | 10.359 | ||||||
| 2022-05-11 | 2022-05-10 | 4 | Donahue Joseph B | MKSI | Common Stock | D | 1.745 | 4.881 | ||||||
| 2022-05-11 | 2022-05-10 | 4 | CANNONE PETER III | MKSI | Common Stock | D | 1.745 | 2.892 | ||||||
| 2022-05-11 | 2022-05-10 | 4 | Batra Raj | MKSI | Common Stock | D | 1.745 | 8.975 | ||||||
| 2022-05-11 | 2022-05-10 | 4 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | -130 | 96.870 | ||||||
| 2022-05-11 | 2022-05-10 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 1.745 | 2.894 | ||||||
| 2022-05-02 | 2022-04-29 | 4 | Taranto Eric Robert | MKSI | Restricted Stock Unit | D | 2.413 | 5.671 | ||||||
| 2022-05-02 | 2022-04-29 | 4 | Schreiner James Alan | MKSI | Restricted Stock Unit | D | 3.290 | 10.342 | ||||||
| 2022-05-02 | 2022-04-29 | 4 | Henry David Philip | MKSI | Restricted Stock Unit | D | 3.071 | 7.728 | ||||||
| 2022-05-02 | 2022-04-29 | 4 | Gitin Mark Milton | MKSI | Restricted Stock Unit | D | 2.720 | 7.828 | ||||||
| 2022-05-02 | 2022-04-29 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | 4.935 | 16.338 | ||||||
| 2022-05-02 | 2022-04-29 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 7.600 | 28.798 | ||||||
| 2022-05-02 | 2022-04-29 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 21.056 | 59.997 | ||||||
| 2022-04-19 | 2022-04-18 | 4 | Henry David Philip | MKSI | Restricted Stock Unit | D | -479 | 4.657 | ||||||
| 2022-04-19 | 2022-04-18 | 4 | Henry David Philip | MKSI | Common Stock | D | 114,9900 | -162 | -19 | 4.336 | ||||
| 2022-04-19 | 2022-04-18 | 4 | Henry David Philip | MKSI | Common Stock | D | 479 | 4.498 | ||||||
| 2022-04-19 | 2022-04-18 | 4 | Taranto Eric Robert | MKSI | Restricted Stock Unit | D | -935 | 3.258 | ||||||
| 2022-04-19 | 2022-04-18 | 4 | Taranto Eric Robert | MKSI | Restricted Stock Unit | D | -787 | 4.193 | ||||||
| 2022-04-19 | 2022-04-18 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 114,9900 | -506 | -58 | 5.697 | ||||
| 2022-04-19 | 2022-04-18 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 935 | 6.203 | ||||||
| 2022-04-19 | 2022-04-18 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 787 | 5.268 | ||||||
| 2022-04-19 | 2022-04-18 | 4 | Gitin Mark Milton | MKSI | Restricted Stock Unit | D | -1.797 | 5.109 | ||||||
| 2022-04-19 | 2022-04-18 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 114,9900 | -891 | -102 | 7.717 | ||||
| 2022-04-19 | 2022-04-18 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 1.797 | 8.608 | ||||||
| 2022-03-02 | 2022-03-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 149,9900 | -300 | -45 | 14.548 | ||||
| 2022-02-16 | 2022-02-15 | 4 | Taranto Eric Robert | MKSI | Restricted Stock Unit | D | -387 | 4.980 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Taranto Eric Robert | MKSI | Restricted Stock Unit | D | -774 | 5.367 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 152,5500 | -342 | -52 | 4.481 | ||||
| 2022-02-16 | 2022-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 387 | 4.823 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 774 | 4.436 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Gitin Mark Milton | MKSI | Restricted Stock Unit | D | -551 | 6.906 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Gitin Mark Milton | MKSI | Restricted Stock Unit | D | -1.103 | 7.457 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 152,5500 | -780 | -119 | 6.811 | ||||
| 2022-02-16 | 2022-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 551 | 7.591 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 1.103 | 7.040 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Henry David Philip | MKSI | Restricted Stock Unit | D | -580 | 5.137 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Henry David Philip | MKSI | Restricted Stock Unit | D | -1.161 | 5.717 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Henry David Philip | MKSI | Restricted Stock Unit | D | -1.171 | 6.878 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 152,5500 | -856 | -131 | 4.018 | ||||
| 2022-02-16 | 2022-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 580 | 4.874 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.161 | 4.294 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.171 | 3.133 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Schreiner James Alan | MKSI | Restricted Stock Unit | D | -653 | 7.052 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Schreiner James Alan | MKSI | Restricted Stock Unit | D | -1.306 | 7.705 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Schreiner James Alan | MKSI | Restricted Stock Unit | D | -695 | 9.011 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Schreiner James Alan | MKSI | Restricted Stock Unit | D | -1.001 | 9.706 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 152,5500 | -1.242 | -189 | 5.758 | ||||
| 2022-02-16 | 2022-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 653 | 7.000 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.306 | 6.347 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 695 | 5.041 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.001 | 4.346 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.016 | 11.403 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -2.032 | 12.419 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.281 | 14.451 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.844 | 15.732 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.574 | 17.576 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.291 | 19.150 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 152,5500 | -3.708 | -566 | 46.129 | ||||
| 2022-02-16 | 2022-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.016 | 49.837 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 2.032 | 48.821 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.281 | 46.789 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.844 | 45.508 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.574 | 43.664 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.291 | 42.090 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -1.525 | 21.198 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.885 | 22.723 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.180 | 26.608 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.837 | 28.788 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.643 | 32.625 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.941 | 35.268 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 152,5500 | -7.238 | -1.104 | 31.765 | ||||
| 2022-02-16 | 2022-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 1.525 | 39.003 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.885 | 37.478 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.180 | 33.593 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.837 | 31.413 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.643 | 27.576 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.941 | 24.933 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -3.937 | 38.941 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -9.624 | 42.878 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -4.281 | 52.502 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -7.535 | 56.783 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.755 | 64.318 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -3.066 | 67.073 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 152,5500 | -13.839 | -2.111 | 51.516 | ||||
| 2022-02-16 | 2022-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.937 | 65.355 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 9.624 | 61.418 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 4.281 | 51.794 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 7.535 | 47.513 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.755 | 39.978 | ||||||
| 2022-02-16 | 2022-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.066 | 37.223 | ||||||
| 2022-01-24 | 2022-01-21 | 4 | Taranto Eric Robert | MKSI | Restricted Stock Unit | D | 2.323 | 6.141 | ||||||
| 2022-01-24 | 2022-01-21 | 4 | Schreiner James Alan | MKSI | Restricted Stock Unit | D | 3.920 | 10.707 | ||||||
| 2022-01-24 | 2022-01-21 | 4 | Henry David Philip | MKSI | Restricted Stock Unit | D | 3.484 | 8.049 | ||||||
| 2022-01-24 | 2022-01-21 | 4 | Gitin Mark Milton | MKSI | Restricted Stock Unit | D | 3.310 | 8.560 | ||||||
| 2022-01-24 | 2022-01-21 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | 6.098 | 20.441 | ||||||
| 2022-01-24 | 2022-01-21 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 11.658 | 38.209 | ||||||
| 2022-01-24 | 2022-01-21 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 28.873 | 70.139 | ||||||
| 2022-01-12 | 2022-01-11 | 4 | Gitin Mark Milton | MKSI | Restricted Stock Unit | D | -2.283 | 5.249 | ||||||
| 2022-01-12 | 2022-01-11 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 174,4200 | -841 | -147 | 5.937 | ||||
| 2022-01-12 | 2022-01-11 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 2.283 | 6.778 | ||||||
| 2021-12-06 | 2021-12-03 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -194 | 26.551 | ||||||
| 2021-12-06 | 2021-12-03 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -325 | 26.745 | ||||||
| 2021-12-06 | 2021-12-03 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 156,0900 | -519 | -81 | 21.992 | ||||
| 2021-12-06 | 2021-12-03 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 194 | 22.511 | ||||||
| 2021-12-06 | 2021-12-03 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 325 | 22.317 | ||||||
| 2021-12-02 | 2021-12-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 155,9100 | -300 | -47 | 14.848 | ||||
| 2021-11-12 | 2021-11-05 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | -324 | 8.614 | ||||||
| 2021-11-08 | 2021-11-04 | 4 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | 155,1625 | -3.000 | -465 | 97.000 | ||||
| 2021-10-29 | 2021-10-28 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -2.179 | 14.344 | ||||||
| 2021-10-29 | 2021-10-28 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 145,7400 | -967 | -141 | 40.732 | ||||
| 2021-10-29 | 2021-10-28 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 2.179 | 41.699 | ||||||
| 2021-10-29 | 2021-10-28 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -4.358 | 27.070 | ||||||
| 2021-10-29 | 2021-10-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 145,7400 | -1.933 | -282 | 21.925 | ||||
| 2021-10-29 | 2021-10-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 4.358 | 23.858 | ||||||
| 2021-10-21 | 2021-10-20 | 4 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | -450 | 100.000 | ||||||
| 2021-09-17 | 2021-09-16 | 4 | Schreiner James Alan | MKSI | Restricted Stock Unit | D | -1.434 | 6.787 | ||||||
| 2021-09-17 | 2021-09-16 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 150,5000 | -454 | -68 | 3.273 | ||||
| 2021-09-17 | 2021-09-16 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.434 | 3.727 | ||||||
| 2021-09-02 | 2021-09-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 148,1000 | -300 | -44 | 15.148 | ||||
| 2021-06-02 | 2021-06-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 190,0000 | -300 | -57 | 15.448 | ||||
| 2021-05-21 | 2021-05-20 | 4 | Henry David Philip | MKSI | Common Stock | D | 186,6980 | -284 | -53 | 1.806 | ||||
| 2021-05-12 | 2021-05-11 | 4 | Warner Michelle M | MKSI | Common Stock | D | 1.147 | 5.116 | ||||||
| 2021-05-12 | 2021-05-11 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 1.147 | 15.748 | ||||||
| 2021-05-12 | 2021-05-11 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 1.147 | 8.938 | ||||||
| 2021-05-12 | 2021-05-11 | 4 | Donahue Joseph B | MKSI | Common Stock | D | 1.147 | 3.135 | ||||||
| 2021-05-12 | 2021-05-11 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 1.147 | 3.137 | ||||||
| 2021-05-12 | 2021-05-11 | 4 | Batra Raj | MKSI | Common Stock | D | 1.147 | 7.230 | ||||||
| 2021-05-12 | 2021-05-11 | 4 | CANNONE PETER III | MKSI | Common Stock | D | 1.147 | 1.147 | ||||||
| 2021-05-03 | 2021-04-30 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 181,7900 | -1.301 | -237 | 4.338 | ||||
| 2021-04-30 | 2021-04-29 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 185,2930 | -1.788 | -331 | 3.506 | ||||
| 2021-04-22 | 2021-04-13 | 4/A | Gitin Mark Milton | MKSI | Common Stock | D | 186,5200 | -317 | -59 | 4.733 | ||||
| 2021-04-21 | 2021-04-19 | 4 | Gitin Mark Milton | MKSI | Restricted Stock Unit | D | -1.797 | 7.533 | ||||||
| 2021-04-21 | 2021-04-19 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 181,0400 | -891 | -161 | 5.709 | ||||
| 2021-04-21 | 2021-04-19 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 1.797 | 6.600 | ||||||
| 2021-04-20 | 2021-04-19 | 4 | Taranto Eric Robert | MKSI | Restricted Stock Unit | D | -934 | 3.818 | ||||||
| 2021-04-20 | 2021-04-19 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 181,0400 | -275 | -50 | 5.294 | ||||
| 2021-04-20 | 2021-04-19 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 934 | 5.569 | ||||||
| 2021-04-16 | 2021-04-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 188,3950 | -200 | -38 | 19.410 | ||||
| 2021-04-16 | 2021-04-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 187,7800 | -4.955 | -930 | 19.610 | ||||
| 2021-04-16 | 2021-04-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 186,6510 | -1.741 | -325 | 24.565 | ||||
| 2021-04-16 | 2021-04-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 185,3860 | -704 | -131 | 26.306 | ||||
| 2021-04-16 | 2021-04-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 184,3640 | -1.400 | -258 | 27.010 | ||||
| 2021-04-16 | 2021-04-15 | 4 | Taranto Eric Robert | MKSI | Restricted Stock Unit | D | -787 | 4.752 | ||||||
| 2021-04-16 | 2021-04-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 188,2600 | -231 | -43 | 4.635 | ||||
| 2021-04-16 | 2021-04-15 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 787 | 4.866 | ||||||
| 2021-04-16 | 2021-04-15 | 4 | Henry David Philip | MKSI | Restricted Stock Unit | D | -479 | 4.564 | ||||||
| 2021-04-16 | 2021-04-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 188,2600 | -141 | -27 | 2.090 | ||||
| 2021-04-16 | 2021-04-15 | 4 | Henry David Philip | MKSI | Common Stock | D | 479 | 2.231 | ||||||
| 2021-04-14 | 2021-04-13 | 4 | Taranto Eric Robert | MKSI | Restricted Stock Unit | D | -627 | 5.539 | ||||||
| 2021-04-14 | 2021-04-13 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 186,5200 | -185 | -35 | 4.079 | ||||
| 2021-04-14 | 2021-04-13 | 4 | Taranto Eric Robert | MKSI | Common Stock | D | 627 | 4.264 | ||||||
| 2021-04-14 | 2021-04-13 | 4 | Henry David Philip | MKSI | Restricted Stock Unit | D | -356 | 5.043 | ||||||
| 2021-04-14 | 2021-04-13 | 4 | Henry David Philip | MKSI | Common Stock | D | 186,5200 | -105 | -20 | 1.752 | ||||
| 2021-04-14 | 2021-04-13 | 4 | Henry David Philip | MKSI | Common Stock | D | 356 | 1.857 | ||||||
| 2021-04-14 | 2021-04-13 | 4 | Gitin Mark Milton | MKSI | Restricted Stock Unit | D | -713 | 9.330 | ||||||
| 2021-04-14 | 2021-04-13 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 186,5200 | -247 | -46 | 4.803 | ||||
| 2021-04-14 | 2021-04-13 | 4 | Gitin Mark Milton | MKSI | Common Stock | D | 713 | 5.050 | ||||||
| 2021-03-18 | 2021-03-17 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | -285 | 7.791 | ||||||
| 2021-03-02 | 2021-03-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 168,0000 | -450 | -76 | 14.601 | ||||
| 2021-02-17 | 2021-02-16 | 4 | Taranto Eric Robert | MKSI | Restricted Stock Unit | D | 1.161 | 6.166 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Gitin Mark Milton | MKSI | Restricted Stock Unit | D | 1.655 | 10.043 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Henry David Philip | MKSI | Restricted Stock Unit | D | -1.170 | 5.400 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Henry David Philip | MKSI | Restricted Stock Unit | D | 1.742 | 6.570 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Henry David Philip | MKSI | Common Stock | D | 172,2000 | -344 | -59 | 1.500 | ||||
| 2021-02-17 | 2021-02-16 | 4 | Henry David Philip | MKSI | Common Stock | D | 1.170 | 1.844 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Schreiner James Alan | MKSI | Restricted Stock Unit | D | -695 | 8.221 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Schreiner James Alan | MKSI | Restricted Stock Unit | D | -1.001 | 8.916 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Schreiner James Alan | MKSI | Restricted Stock Unit | D | 1.960 | 9.917 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 172,2000 | -498 | -86 | 2.210 | ||||
| 2021-02-17 | 2021-02-16 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 695 | 2.708 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.001 | 2.013 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.280 | 16.523 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.844 | 17.803 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.574 | 19.647 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.291 | 21.221 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.050 | 22.512 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.071 | 23.562 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | 3.049 | 24.633 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 172,2000 | -3.225 | -555 | 39.430 | ||||
| 2021-02-17 | 2021-02-16 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.280 | 42.655 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.844 | 41.375 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.574 | 39.531 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.291 | 37.957 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.050 | 36.666 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.071 | 35.616 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.180 | 31.428 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.999 | 33.608 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.643 | 37.607 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.942 | 40.250 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -1.871 | 43.191 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.202 | 45.062 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 4.769 | 47.264 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 172,2000 | -6.714 | -1.156 | 28.410 | ||||
| 2021-02-17 | 2021-02-16 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.180 | 35.124 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.999 | 32.944 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.643 | 28.945 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.942 | 26.303 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 1.871 | 23.361 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.202 | 21.490 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -4.281 | 41.265 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -7.534 | 45.546 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.755 | 53.080 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -3.066 | 55.835 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -258 | 58.901 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -263 | 59.158 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.951 | 59.421 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.990 | 61.372 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 11.812 | 63.362 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 172,2000 | -9.804 | -1.688 | 34.001 | ||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 4.281 | 43.805 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 7.534 | 39.524 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.755 | 31.990 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.066 | 29.235 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 258 | 26.169 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 263 | 25.912 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.951 | 25.649 | ||||||
| 2021-02-17 | 2021-02-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.990 | 23.698 | ||||||
| 2021-02-09 | 3 | Taranto Eric Robert | MKSI | Common Stock | D | 3.636 | ||||||||
| 2021-02-09 | 3 | Henry David Philip | MKSI | Common Stock | D | 674 | ||||||||
| 2021-02-09 | 3 | Gitin Mark Milton | MKSI | Common Stock | D | 4.337 | ||||||||
| 2021-01-26 | 2021-01-25 | 4 | Schreiner James Alan | MKSI | Restricted Stock Unit | D | 3.003 | 7.957 | ||||||
| 2021-01-26 | 2021-01-25 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | 5.533 | 21.584 | ||||||
| 2021-01-26 | 2021-01-25 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 11.998 | 42.494 | ||||||
| 2021-01-26 | 2021-01-25 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 22.605 | 51.550 | ||||||
| 2020-12-09 | 2020-12-08 | 4 | COLELLA GERARD G By The Gerald G. Colella 2018 Grantor Trust | MKSI | Common Stock | I | -24.934 | 0 | ||||||
| 2020-12-07 | 2020-12-04 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -277 | 30.496 | ||||||
| 2020-12-07 | 2020-12-04 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -249 | 30.773 | ||||||
| 2020-12-07 | 2020-12-04 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 151,7100 | -526 | -80 | 19.289 | ||||
| 2020-12-07 | 2020-12-04 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 277 | 19.815 | ||||||
| 2020-12-07 | 2020-12-04 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 249 | 19.538 | ||||||
| 2020-12-02 | 2020-12-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 139,5400 | -450 | -63 | 15.051 | ||||
| 2020-11-24 | 2020-11-23 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | -368 | 8.076 | ||||||
| 2020-09-17 | 2020-09-16 | 4 | Schreiner James Alan | MKSI | Restricted Stock Unit | D | -1.433 | 4.954 | ||||||
| 2020-09-17 | 2020-09-16 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 106,0500 | -421 | -45 | 1.012 | ||||
| 2020-09-17 | 2020-09-16 | 4 | Schreiner James Alan | MKSI | Common Stock | D | 1.433 | 1.433 | ||||||
| 2020-09-02 | 2020-09-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 120,2800 | -450 | -54 | 15.501 | ||||
| 2020-08-04 | 2020-08-03 | 4 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | 128,3729 | -6.000 | -770 | 82.596 | ||||
| 2020-07-24 | 2020-07-23 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 126,0700 | -1.440 | -182 | 19.169 | ||||
| 2020-07-24 | 2020-07-23 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 125,0880 | -1.493 | -187 | 20.609 | ||||
| 2020-07-24 | 2020-07-23 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 123,5700 | -2.062 | -255 | 22.102 | ||||
| 2020-07-24 | 2020-07-22 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 123,0000 | -5 | -1 | 24.164 | ||||
| 2020-07-07 | 2020-07-06 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 116,8394 | -5.000 | -584 | 24.169 | ||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -7.551 | 0 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -7.552 | 7.551 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -7.552 | 7.551 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -7.261 | 22.655 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -7.261 | 22.655 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -5.038 | 37.177 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -5.038 | 42.214 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -6.606 | 47.252 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -6.607 | 53.858 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -7.086 | 60.465 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -8.574 | 67.551 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 113,7900 | -32.316 | -3.677 | 45.800 | ||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 7.551 | 78.116 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 7.552 | 70.565 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 7.552 | 70.565 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 7.261 | 55.461 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 7.261 | 55.461 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 5.038 | 40.939 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 5.038 | 35.902 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 6.606 | 30.864 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 6.607 | 24.258 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 7.086 | 17.651 | ||||||
| 2020-07-06 | 2020-07-02 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 8.574 | 10.565 | ||||||
| 2020-06-16 | 2020-06-12 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | -450 | 8.444 | ||||||
| 2020-06-02 | 2020-06-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 105,0900 | -450 | -47 | 15.951 | ||||
| 2020-05-20 | 2020-05-19 | 4 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | 100,1715 | -5.000 | -501 | 44.786 | ||||
| 2020-05-12 | 2020-05-11 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 1.989 | 8.894 | ||||||
| 2020-05-12 | 2020-05-11 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 1.989 | 16.401 | ||||||
| 2020-05-12 | 2020-05-11 | 4 | Warner Michelle M | MKSI | Common Stock | D | 1.989 | 3.969 | ||||||
| 2020-05-12 | 2020-05-11 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 1.989 | 1.991 | ||||||
| 2020-05-12 | 2020-05-11 | 4 | Donahue Joseph B | MKSI | Common Stock | D | 1.989 | 1.989 | ||||||
| 2020-05-12 | 2020-05-11 | 4 | HENRY JANICE K | MKSI | Common Stock | D | 1.989 | 1.989 | ||||||
| 2020-05-12 | 2020-05-11 | 4 | Batra Raj | MKSI | Common Stock | D | 1.989 | 6.083 | ||||||
| 2020-05-06 | 2020-05-05 | 4 | Beecher Gregory R | MKSI | Common Stock | D | 95,9470 | -18.143 | -1.741 | 1.981 | ||||
| 2020-05-06 | 2020-05-05 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 96,7650 | -1.005 | -97 | 14.413 | ||||
| 2020-05-05 | 2020-05-01 | 4 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | 96,5500 | -5.000 | -483 | 49.786 | ||||
| 2020-03-16 | 2020-03-16 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 81,4680 | -107 | -9 | 6.906 | ||||
| 2020-03-16 | 2020-03-16 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 81,4400 | -200 | -16 | 7.013 | ||||
| 2020-03-03 | 2020-03-02 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 100,6800 | -400 | -40 | 15.418 | ||||
| 2020-02-19 | 2020-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.574 | 16.052 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.291 | 17.626 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.050 | 18.917 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.071 | 19.967 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.293 | 21.038 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | -1.565 | 22.331 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | 3.842 | 23.896 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 113,8700 | -2.467 | -281 | 34.307 | ||||
| 2020-02-19 | 2020-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.574 | 36.774 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.291 | 35.200 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.050 | 33.909 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.071 | 32.859 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.293 | 31.788 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 1.565 | 30.495 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Schreiner James Alan | MKSI | Restricted Stock Unit | D | 2.086 | 6.387 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.755 | 28.945 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -3.066 | 31.700 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -257 | 34.766 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -262 | 35.023 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.950 | 35.285 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.989 | 37.235 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.463 | 39.224 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.979 | 41.686 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 12.844 | 44.666 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 113,8700 | -6.301 | -717 | 21.471 | ||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.755 | 27.772 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.066 | 25.017 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 257 | 21.952 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 262 | 21.695 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.950 | 21.433 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.989 | 19.483 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.463 | 17.494 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.979 | 15.031 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.643 | 31.022 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.066 | 33.665 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -1.871 | 36.731 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.202 | 38.602 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.835 | 40.804 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.430 | 43.639 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 6.817 | 47.068 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 113,8700 | -6.004 | -684 | 29.051 | ||||
| 2020-02-19 | 2020-02-18 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.643 | 35.055 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.066 | 32.412 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 1.871 | 29.347 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.202 | 27.476 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.835 | 25.274 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.430 | 22.439 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -7.261 | 76.125 | ||||||
| 2020-02-19 | 2020-02-18 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 113,8700 | -3.221 | -367 | 4.040 | ||||
| 2020-02-19 | 2020-02-18 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 7.261 | 7.261 | ||||||
| 2020-02-05 | 2020-02-04 | 4 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | 113,0493 | -7.000 | -791 | 50.748 | ||||
| 2020-01-28 | 2020-01-27 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 9.197 | 31.822 | ||||||
| 2020-01-28 | 2020-01-27 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 9.197 | 40.251 | ||||||
| 2020-01-28 | 2020-01-27 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | 3.872 | 20.054 | ||||||
| 2020-01-28 | 2020-01-27 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 21.783 | 83.386 | ||||||
| 2020-01-02 | 3 | Schreiner James Alan | MKSI | Common Stock | D | 0 | ||||||||
| 2019-12-10 | 2019-12-06 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -958 | 61.603 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -559 | 62.561 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -426 | 63.120 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -363 | 63.546 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -300 | 63.909 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 108,2200 | -2.606 | -282 | 0 | ||||
| 2019-12-10 | 2019-12-06 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 958 | 2.606 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 559 | 1.648 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 426 | 1.089 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 363 | 663 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 300 | 300 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -336 | 31.054 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -187 | 31.390 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -159 | 31.577 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -145 | 31.736 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -120 | 31.881 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 108,2200 | -947 | -102 | 19.009 | ||||
| 2019-12-10 | 2019-12-06 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 336 | 19.956 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 187 | 19.620 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 159 | 19.433 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 145 | 19.274 | ||||||
| 2019-12-10 | 2019-12-06 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 120 | 19.129 | ||||||
| 2019-12-06 | 2019-12-04 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | -479 | 7.213 | ||||||
| 2019-12-03 | 2019-12-02 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 106,9200 | -400 | -43 | 15.818 | ||||
| 2019-11-20 | 2019-11-12 | 4 | Beecher Gregory R | MKSI | Common Stock | D | -4.000 | 20.124 | ||||||
| 2019-10-31 | 2019-10-30 | 4 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 110,5540 | -10.384 | -1.148 | 28.778 | ||||
| 2019-10-30 | 2019-10-29 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 112,0800 | -18.000 | -2.017 | 18.857 | ||||
| 2019-10-30 | 2019-10-28 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 8.716 | 32.001 | ||||||
| 2019-10-30 | 2019-10-28 | 4 | Burke Kathleen Flaherty | MKSI | Restricted Stock Unit | D | 4.358 | 16.181 | ||||||
| 2019-10-29 | 2019-10-28 | 4 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | 111,0300 | -5.000 | -555 | 38.548 | ||||
| 2019-09-04 | 2019-09-03 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 77,0000 | -400 | -31 | 16.218 | ||||
| 2019-08-05 | 2019-08-02 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 81,9800 | -603 | -49 | 7.692 | ||||
| 2019-06-12 | 2019-06-11 | 4 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | 75,8176 | -5.000 | -379 | 43.548 | ||||
| 2019-06-04 | 2019-06-03 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 71,9300 | -400 | -29 | 16.618 | ||||
| 2019-05-09 | 2019-05-08 | 4 | Batra Raj | MKSI | Common Stock | D | 1.980 | 4.095 | ||||||
| 2019-05-09 | 2019-05-08 | 4 | Beecher Gregory R | MKSI | Common Stock | D | 1.980 | 24.124 | ||||||
| 2019-05-09 | 2019-05-08 | 4 | BERTUCCI JOHN R | MKSI | Common Stock | D | 1.980 | 67.275 | ||||||
| 2019-05-09 | 2019-05-08 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 86,0280 | -1.499 | -129 | 6.616 | ||||
| 2019-05-09 | 2019-05-08 | 4 | Hess Rick D | MKSI | Common Stock | D | 1.980 | 5.468 | ||||||
| 2019-05-09 | 2019-05-08 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 85,8610 | -256 | -22 | 8.295 | ||||
| 2019-05-09 | 2019-05-08 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 1.980 | 8.551 | ||||||
| 2019-05-09 | 2019-05-08 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 1.980 | 17.018 | ||||||
| 2019-05-09 | 2019-05-08 | 4 | Warner Michelle M | MKSI | Common Stock | D | 1.980 | 1.980 | ||||||
| 2019-05-09 | 3 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 77.974 | ||||||||
| 2019-05-09 | 3 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 77.974 | ||||||||
| 2019-05-09 | 3 | Burke Kathleen Flaherty | MKSI | Common Stock | D | 77.974 | ||||||||
| 2019-03-04 | 2019-03-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 83,9000 | -375 | -31 | 15.037 | ||||
| 2019-02-19 | 2019-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.050 | 3.578 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.071 | 3.930 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.477 | 4.628 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.787 | 5.001 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -2.007 | 6.105 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -2.609 | 6.788 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 84,7000 | -3.247 | -275 | 6.864 | ||||
| 2019-02-19 | 2019-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 1.050 | 10.111 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 1.071 | 9.061 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 1.477 | 7.990 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 1.787 | 6.513 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 2.007 | 4.726 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 2.609 | 2.718 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -5.250 | 17.887 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -6.885 | 22.710 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -7.386 | 23.137 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -8.936 | 29.595 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -11.038 | 30.523 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -15.654 | 38.531 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 23.613 | 41.500 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 84,7000 | -24.488 | -2.074 | 30.660 | ||||
| 2019-02-19 | 2019-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 5.250 | 55.148 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 6.885 | 49.898 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 7.386 | 43.013 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 8.936 | 35.627 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 11.038 | 26.691 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 15.654 | 15.654 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -1.950 | 15.120 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.295 | 8.165 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.954 | 17.070 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.575 | 10.460 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -4.516 | 20.024 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -6.914 | 14.035 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 8.264 | 24.540 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 84,7000 | -8.833 | -748 | 36.682 | ||||
| 2019-02-19 | 2019-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 1.950 | 45.515 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.295 | 43.565 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.954 | 41.270 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.575 | 38.316 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 4.516 | 34.741 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 6.914 | 30.225 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -257 | 15.142 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -262 | 7.483 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.950 | 15.399 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.989 | 7.745 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.462 | 17.349 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.979 | 9.734 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -4.014 | 19.811 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -5.218 | 12.713 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 8.264 | 23.825 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 84,7000 | -7.650 | -648 | 11.725 | ||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 257 | 19.375 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 262 | 19.118 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.950 | 18.856 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.989 | 16.906 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.462 | 14.917 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.979 | 12.455 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 4.014 | 9.476 | ||||||
| 2019-02-19 | 2019-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 5.218 | 5.462 | ||||||
| 2019-02-06 | 2018-03-26 | 5 | COLELLA GERARD G By The Gerald G. Colella Living Trust | MKSI | Common Stock | I | -700 | 17.888 | ||||||
| 2019-01-30 | 2019-01-28 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -370 | 17.931 | ||||||
| 2019-01-30 | 2019-01-28 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.808 | 18.301 | ||||||
| 2019-01-30 | 2019-01-28 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -9.721 | 54.184 | ||||||
| 2019-01-30 | 2019-01-28 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.240 | 20.949 | ||||||
| 2019-01-30 | 2019-01-28 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.512 | 9.398 | ||||||
| 2018-12-04 | 2018-12-03 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 79,9020 | -375 | -30 | 15.412 | ||||
| 2018-10-11 | 2018-10-09 | 4 | BERTUCCI JOHN R By Claire R. Bertucci 2016 Second Qualified Annuity Trust | MKSI | Common Stock | I | -28.250 | 0 | ||||||
| 2018-10-11 | 2018-10-09 | 4 | BERTUCCI JOHN R By John R. Bertucci 2016 Second Qualified Annuity Trust | MKSI | Common Stock | I | -13.732 | 0 | ||||||
| 2018-10-02 | 2018-10-01 | 4 | Batra Raj | MKSI | Common Stock | D | 2.114 | 2.114 | ||||||
| 2018-09-05 | 2018-09-04 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 92,5000 | -375 | -35 | 15.787 | ||||
| 2018-08-08 | 2018-08-07 | 4 | HANLEY PETER | MKSI | Common Stock | D | 94,3900 | -1.240 | -117 | 1.501 | ||||
| 2018-06-12 | 2018-06-11 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 100,2010 | -750 | -75 | 6.570 | ||||
| 2018-06-07 | 2018-06-06 | 4 | HANLEY PETER | MKSI | Common Stock | D | 117,9930 | -500 | -59 | 2.741 | ||||
| 2018-06-07 | 2018-06-06 | 4 | Abrams John R | MKSI | Common Stock | D | 117,7680 | -133 | -16 | 0 | ||||
| 2018-06-04 | 2018-06-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 113,4000 | -375 | -43 | 16.162 | ||||
| 2018-05-23 | 2018-05-22 | 4 | BERTUCCI JOHN R By Spouse | MKSI | Common Stock | I | -27.500 | 159.005 | ||||||
| 2018-05-23 | 2018-05-22 | 4 | BERTUCCI JOHN R | MKSI | Common Stock | D | -27.500 | 159.005 | ||||||
| 2018-05-17 | 2018-05-16 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 116,4240 | -516 | -60 | 16.537 | ||||
| 2018-05-14 | 2018-05-11 | 4 | HANLEY PETER | MKSI | Common Stock | D | 113,7000 | -250 | -28 | 3.241 | ||||
| 2018-05-11 | 2018-05-09 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 1.157 | 21.109 | ||||||
| 2018-05-11 | 2018-05-09 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 772 | 19.311 | ||||||
| 2018-05-10 | 2018-05-09 | 4 | Hess Rick D | MKSI | Common Stock | D | 1.499 | 3.488 | ||||||
| 2018-05-10 | 2018-05-09 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 1.499 | 7.320 | ||||||
| 2018-05-10 | 2018-05-09 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 1.499 | 17.053 | ||||||
| 2018-05-10 | 2018-05-09 | 4 | BERTUCCI JOHN R | MKSI | Common Stock | D | 1.499 | 198.745 | ||||||
| 2018-05-10 | 2018-05-09 | 4 | Beecher Gregory R | MKSI | Common Stock | D | 1.499 | 22.143 | ||||||
| 2018-05-10 | 2018-05-09 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 110,7500 | -1.988 | -220 | 8.115 | ||||
| 2018-05-10 | 2018-05-09 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 1.499 | 10.103 | ||||||
| 2018-05-10 | 2018-05-09 | 4 | HANLEY PETER | MKSI | Common Stock | D | 1.499 | 3.491 | ||||||
| 2018-05-08 | 2018-05-07 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 109,4000 | -2.000 | -219 | 17.641 | ||||
| 2018-05-04 | 2018-05-02 | 4 | BERTUCCI JOHN R By Claire R. Bertucci 2016 Qualified Annuity Trust | MKSI | Common Stock | I | -68.336 | 0 | ||||||
| 2018-05-04 | 2018-05-02 | 4 | BERTUCCI JOHN R By John R. Bertucci 2016 Qualified Annuity Trust | MKSI | Common Stock | I | -60.996 | 0 | ||||||
| 2018-05-02 | 2018-05-01 | 4 | COLELLA GERARD G By Gerald G. Colella Living Trust | MKSI | Common Stock | I | 101,9200 | -10.000 | -1.019 | 36.296 | ||||
| 2018-04-03 | 2018-04-02 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -2.456 | 17.512 | ||||||
| 2018-04-03 | 2018-04-02 | 4 | Werth Dennis L | MKSI | Common Stock | D | 110,7000 | -1.212 | -134 | 1.244 | ||||
| 2018-04-03 | 2018-04-02 | 4 | Werth Dennis L | MKSI | Common Stock | D | 2.456 | 2.456 | ||||||
| 2018-03-15 | 2018-03-14 | 4 | HANLEY PETER | MKSI | Common Stock | D | 123,3980 | -430 | -53 | 1.992 | ||||
| 2018-03-02 | 2018-03-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 111,1000 | -300 | -33 | 15.554 | ||||
| 2018-02-22 | 2018-02-21 | 4 | Abrams John R | MKSI | Common Stock | D | 114,9400 | -9.831 | -1.130 | 1 | ||||
| 2018-02-21 | 2018-02-20 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 115,2140 | -5.000 | -576 | 23.069 | ||||
| 2018-02-21 | 2018-02-20 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 115,9110 | -1.600 | -185 | 1 | ||||
| 2018-02-21 | 2018-02-20 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 115,3080 | -11.832 | -1.364 | 1.601 | ||||
| 2018-02-21 | 2018-02-20 | 4 | HANLEY PETER | MKSI | Common Stock | D | 115,1040 | -350 | -40 | 2.422 | ||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -7.385 | 25.809 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -8.936 | 33.527 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -11.038 | 33.194 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -15.653 | 42.463 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -9.457 | 44.232 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -12.213 | 58.116 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 15.752 | 41.561 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 30.378 | 63.905 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 111,1000 | -27.413 | -3.046 | 42.294 | ||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 7.385 | 69.707 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 8.936 | 62.322 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 11.038 | 53.386 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 15.653 | 42.348 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 9.457 | 26.695 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 12.213 | 17.238 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.954 | 10.425 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.574 | 14.063 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -4.515 | 13.379 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -6.914 | 17.637 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.783 | 17.894 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -5.234 | 24.551 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 5.851 | 16.275 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 10.126 | 24.189 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 111,1000 | -10.671 | -1.186 | 28.069 | ||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.954 | 38.740 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.574 | 35.786 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 4.515 | 32.212 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 6.914 | 27.697 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.783 | 20.783 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 5.234 | 17.000 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.461 | 12.688 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.978 | 11.176 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -4.014 | 15.149 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -5.218 | 14.154 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -3.074 | 19.163 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -3.780 | 19.372 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 5.851 | 18.539 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 8.776 | 19.952 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 111,1000 | -8.245 | -916 | 13.433 | ||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.461 | 21.678 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.978 | 19.217 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 4.014 | 16.239 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 5.218 | 12.225 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.074 | 7.007 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.780 | 3.933 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.477 | 4.962 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.787 | 6.184 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -2.007 | 6.439 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -2.609 | 7.971 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.419 | 8.446 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.745 | 10.580 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | 3.150 | 8.112 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | 4.725 | 10.910 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 111,1000 | -3.595 | -399 | 9.832 | ||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 1.477 | 13.427 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 1.787 | 11.950 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 2.007 | 10.163 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 2.609 | 8.156 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 1.419 | 5.547 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 1.745 | 4.128 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -1.230 | 4.621 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -1.489 | 5.784 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.157 | 5.851 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.805 | 7.273 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -1.773 | 8.008 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.182 | 10.078 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | 2.250 | 6.871 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | 3.375 | 9.159 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 111,1000 | -3.858 | -429 | 19.641 | ||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 1.230 | 23.499 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 1.489 | 22.269 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 2.157 | 20.780 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 2.805 | 18.623 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 1.773 | 15.818 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 2.182 | 14.044 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -1.098 | 16.817 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -4.058 | 17.915 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -2.034 | 21.973 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -2.013 | 6.184 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -142 | 24.007 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -1.723 | 24.149 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -2.085 | 8.197 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | 3.150 | 19.968 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | 4.725 | 10.910 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 111,1000 | -5.204 | -578 | 7.949 | ||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 1.098 | 13.153 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 4.058 | 12.055 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 2.034 | 7.997 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 2.013 | 5.963 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 142 | 3.950 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 1.723 | 3.808 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 2.085 | 2.085 | ||||||
| 2018-02-16 | 2018-02-15 | 4 | PHILLIPPY ROBERT J By Phillippy Family Trust | MKSI | Common Stock | I | 109,1500 | -10.000 | -1.092 | 7.355 | ||||
| 2018-02-15 | 2018-02-14 | 4 | HANLEY PETER | MKSI | Common Stock | D | 107,0620 | -100 | -11 | 2.772 | ||||
| 2018-02-13 | 2018-02-12 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -1.499 | 10.282 | ||||||
| 2018-02-13 | 2018-02-12 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -6.425 | 70.329 | ||||||
| 2018-02-13 | 2018-02-12 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.570 | 29.785 | ||||||
| 2018-02-13 | 2018-02-12 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.142 | 23.153 | ||||||
| 2018-02-13 | 2018-02-12 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.285 | 12.325 | ||||||
| 2018-02-13 | 2018-02-12 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -1.071 | 12.259 | ||||||
| 2018-02-06 | 2018-02-05 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 105,1000 | -2.000 | -210 | 11.863 | ||||
| 2018-01-16 | 2018-01-12 | 4 | COLELLA GERARD G By Gerald G. Colella Living Trust | MKSI | Common Stock | I | 96,3020 | -10.000 | -963 | 46.296 | ||||
| 2018-01-09 | 2018-01-08 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 102,0730 | -10.000 | -1.021 | 11.766 | ||||
| 2017-12-18 | 2017-12-15 | 4 | Werth Dennis L | MKSI | Stock Appreciation Right | D | 27,89 | -5.911 | 0 | |||||
| 2017-12-18 | 2017-12-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 98,0000 | -2.207 | -216 | 0 | ||||
| 2017-12-18 | 2017-12-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 98,0000 | -1.682 | -165 | 2.207 | ||||
| 2017-12-18 | 2017-12-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 97,9000 | -2.022 | -198 | 3.889 | ||||
| 2017-12-18 | 2017-12-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 27,8900 | 5.911 | 165 | 5.911 | ||||
| 2017-12-18 | 2017-12-14 | 4 | Werth Dennis L | MKSI | Stock Appreciation Right | D | 27,79 | -4.199 | 0 | |||||
| 2017-12-18 | 2017-12-14 | 4 | Werth Dennis L | MKSI | Common Stock | D | 95,6500 | -1.362 | -130 | 0 | ||||
| 2017-12-18 | 2017-12-14 | 4 | Werth Dennis L | MKSI | Common Stock | D | 95,6500 | -1.220 | -117 | 1.362 | ||||
| 2017-12-18 | 2017-12-14 | 4 | Werth Dennis L | MKSI | Common Stock | D | 95,6150 | -1.617 | -155 | 2.582 | ||||
| 2017-12-18 | 2017-12-14 | 4 | Werth Dennis L | MKSI | Common Stock | D | 27,7900 | 4.199 | 117 | 4.199 | ||||
| 2017-12-15 | 2017-12-14 | 4 | COLELLA GERARD G By Gerald G. Colella Living Trust | MKSI | Common Stock | I | 95,2600 | -5.000 | -476 | 56.296 | ||||
| 2017-12-06 | 2017-12-05 | 4 | HANLEY PETER | MKSI | Common Stock | D | 92,5760 | -200 | -19 | 2.872 | ||||
| 2017-12-04 | 2017-12-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 94,1000 | -300 | -28 | 15.854 | ||||
| 2017-11-14 | 2017-11-13 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 104,0150 | -2.113 | -220 | 1 | ||||
| 2017-11-07 | 2017-11-06 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 107,9000 | -2.000 | -216 | 13.785 | ||||
| 2017-09-14 | 2017-09-13 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 85,7980 | -7.500 | -643 | 21.615 | ||||
| 2017-09-07 | 2017-09-06 | 4 | HANLEY PETER | MKSI | Common Stock | D | 83,1500 | -300 | -25 | 3.072 | ||||
| 2017-09-05 | 2017-09-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 82,8000 | -300 | -25 | 16.154 | ||||
| 2017-08-09 | 2017-08-08 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 79,3000 | -2.000 | -159 | 15.785 | ||||
| 2017-07-31 | 2017-07-28 | 4 | HANLEY PETER | MKSI | Common Stock | D | 83,2210 | -1.000 | -83 | 3.372 | ||||
| 2017-06-19 | 2017-06-06 | 4 | Werth Dennis L By The Werth Family Trust | MKSI | Common Stock | I | 84,9500 | 16 | 1 | 7.995 | ||||
| 2017-06-16 | 2017-06-15 | 4 | HANLEY PETER | MKSI | Common Stock | D | 72,9500 | -250 | -18 | 4.372 | ||||
| 2017-06-02 | 2017-06-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 81,9000 | -300 | -25 | 16.454 | ||||
| 2017-05-23 | 2017-05-19 | 4 | COLELLA GERARD G by Gerald G. Colella Living Trust | MKSI | Common Stock | I | 79,3020 | -2.500 | -198 | 61.296 | ||||
| 2017-05-18 | 2017-05-08 | 4 | ANDERSON ROBERT R By Trust | MKSI | Common Stock | I | -2.000 | 9.296 | ||||||
| 2017-05-16 | 2017-05-15 | 4 | HANLEY PETER | MKSI | Common Stock | D | 81,5120 | -1.200 | -98 | 4.622 | ||||
| 2017-05-12 | 2017-05-11 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -3.558 | 13.330 | ||||||
| 2017-05-12 | 2017-05-11 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 80,5000 | -1.565 | -126 | 17.556 | ||||
| 2017-05-12 | 2017-05-11 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 3.558 | 19.121 | ||||||
| 2017-05-12 | 2017-05-11 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -2.965 | 13.610 | ||||||
| 2017-05-12 | 2017-05-11 | 4 | Abrams John R | MKSI | Common Stock | D | 80,5000 | -963 | -78 | 2.002 | ||||
| 2017-05-12 | 2017-05-11 | 4 | Abrams John R | MKSI | Common Stock | D | 2.965 | 2.965 | ||||||
| 2017-05-12 | 2017-05-11 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -5.930 | 32.356 | ||||||
| 2017-05-12 | 2017-05-11 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 80,5000 | -2.790 | -225 | 28.885 | ||||
| 2017-05-12 | 2017-05-11 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 5.930 | 31.675 | ||||||
| 2017-05-12 | 2017-05-11 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -3.558 | 25.294 | ||||||
| 2017-05-12 | 2017-05-11 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 80,5000 | -1.674 | -135 | 1.885 | ||||
| 2017-05-12 | 2017-05-11 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.558 | 3.559 | ||||||
| 2017-05-12 | 2017-05-11 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -9.488 | 76.755 | ||||||
| 2017-05-12 | 2017-05-11 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 80,5000 | -4.464 | -359 | 5.025 | ||||
| 2017-05-12 | 2017-05-11 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 9.488 | 9.489 | ||||||
| 2017-05-11 | 2017-05-10 | 4 | PHILLIPPY ROBERT J | MKSI | Common Stock | D | 1.989 | 5.277 | ||||||
| 2017-05-11 | 2017-05-10 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 1.989 | 5.821 | ||||||
| 2017-05-11 | 2017-05-10 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 1.989 | 16.754 | ||||||
| 2017-05-11 | 2017-05-10 | 4 | HANLEY PETER | MKSI | Common Stock | D | 1.989 | 5.822 | ||||||
| 2017-05-11 | 2017-05-10 | 4 | Hess Rick D | MKSI | Common Stock | D | 1.989 | 1.989 | ||||||
| 2017-05-11 | 2017-05-10 | 4 | Beecher Gregory R | MKSI | Common Stock | D | 1.989 | 20.644 | ||||||
| 2017-05-11 | 2017-05-10 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 80,0000 | -3.000 | -240 | 8.604 | ||||
| 2017-05-11 | 2017-05-10 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 1.989 | 11.604 | ||||||
| 2017-05-11 | 2017-05-10 | 4 | BERTUCCI JOHN R | MKSI | Common Stock | D | 1.989 | 77.522 | ||||||
| 2017-05-11 | 2017-05-10 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 80,0000 | -2.000 | -160 | 15.563 | ||||
| 2017-05-05 | 2017-05-04 | 4 | Beecher Gregory R | MKSI | Common Stock | D | 80,8720 | -3.960 | -320 | 18.655 | ||||
| 2017-05-04 | 2017-05-03 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 80,0000 | -200 | -16 | 14.765 | ||||
| 2017-05-02 | 2017-05-01 | 4 | Beecher Gregory R | MKSI | Common Stock | D | 78,5750 | -18.400 | -1.446 | 22.615 | ||||
| 2017-04-04 | 2017-04-03 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 68,7500 | -1.000 | -69 | 17.563 | ||||
| 2017-04-04 | 2017-04-03 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 68,6060 | -10.000 | -686 | 63.797 | ||||
| 2017-04-03 | 2017-03-31 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -2.455 | 25.872 | ||||||
| 2017-04-03 | 2017-03-31 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -2.952 | 28.327 | ||||||
| 2017-04-03 | 2017-03-31 | 4 | Werth Dennis L | MKSI | Common Stock | D | 68,7500 | -2.033 | -140 | 7.979 | ||||
| 2017-04-03 | 2017-03-31 | 4 | Werth Dennis L | MKSI | Common Stock | D | 2.455 | 10.012 | ||||||
| 2017-04-03 | 2017-03-31 | 4 | Werth Dennis L | MKSI | Common Stock | D | 2.952 | 7.557 | ||||||
| 2017-03-16 | 2017-03-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 68,2690 | -5.000 | -341 | 25.746 | ||||
| 2017-03-15 | 2017-03-14 | 4 | Abrams John R | MKSI | Common Stock | D | 67,0930 | -12.066 | -810 | 0 | ||||
| 2017-03-15 | 2017-03-13 | 4 | ANDERSON ROBERT R By Trust | MKSI | Common Stock | I | 67,0080 | -2.500 | -168 | 11.296 | ||||
| 2017-02-28 | 2017-02-27 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 67,0000 | -7.500 | -502 | 30.746 | ||||
| 2017-02-23 | 2017-02-22 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 67,9900 | -14.734 | -1.002 | 1 | ||||
| 2017-02-17 | 2017-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -732 | 31.279 | ||||||
| 2017-02-17 | 2017-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -2.705 | 32.011 | ||||||
| 2017-02-17 | 2017-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -2.033 | 34.716 | ||||||
| 2017-02-17 | 2017-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -2.013 | 11.781 | ||||||
| 2017-02-17 | 2017-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | 427 | 36.749 | ||||||
| 2017-02-17 | 2017-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | 5.170 | 36.322 | ||||||
| 2017-02-17 | 2017-02-15 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | 7.755 | 13.794 | ||||||
| 2017-02-17 | 2017-02-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 67,7000 | -2.878 | -195 | 4.605 | ||||
| 2017-02-17 | 2017-02-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 732 | 7.483 | ||||||
| 2017-02-17 | 2017-02-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 2.705 | 6.751 | ||||||
| 2017-02-17 | 2017-02-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 2.033 | 4.046 | ||||||
| 2017-02-17 | 2017-02-15 | 4 | Werth Dennis L | MKSI | Common Stock | D | 2.013 | 2.013 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -4.013 | 22.237 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -5.217 | 28.852 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -3.073 | 26.250 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -3.780 | 34.069 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 7.386 | 29.323 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 11.078 | 37.849 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 67,7000 | -6.449 | -437 | 14.735 | ||||
| 2017-02-16 | 2017-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 4.013 | 21.184 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 5.217 | 17.171 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.073 | 11.954 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.780 | 8.881 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.157 | 9.781 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.804 | 16.888 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -1.773 | 11.938 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.181 | 19.692 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | 3.693 | 13.711 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | 5.539 | 21.873 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 67,7000 | -2.894 | -196 | 18.563 | ||||
| 2017-02-16 | 2017-02-15 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 2.157 | 21.457 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 2.804 | 19.300 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 1.773 | 16.496 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 2.181 | 14.723 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -2.006 | 9.865 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -2.609 | 16.575 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.418 | 11.871 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.745 | 19.184 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | 4.431 | 13.289 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | 6.647 | 20.929 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 67,7000 | -2.526 | -171 | 12.066 | ||||
| 2017-02-16 | 2017-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 2.006 | 14.592 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 2.609 | 12.586 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 1.418 | 9.978 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | Abrams John R | MKSI | Common Stock | D | 1.745 | 8.560 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -4.515 | 21.676 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -6.913 | 38.285 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.783 | 26.191 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -5.234 | 45.198 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 8.863 | 29.974 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 13.294 | 50.432 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 67,7000 | -9.018 | -611 | 38.246 | ||||
| 2017-02-16 | 2017-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 4.515 | 47.264 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 6.913 | 42.749 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.783 | 35.836 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 5.234 | 32.053 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -11.037 | 53.689 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -15.653 | 86.242 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -9.456 | 64.726 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -12.213 | 101.895 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 22.157 | 74.182 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 33.235 | 114.108 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 67,7000 | -22.755 | -1.541 | 73.797 | ||||
| 2017-02-16 | 2017-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 11.037 | 96.552 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 15.653 | 85.515 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 9.456 | 69.862 | ||||||
| 2017-02-16 | 2017-02-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 12.213 | 60.406 | ||||||
| 2017-02-14 | 2017-02-13 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.408 | 26.771 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.870 | 21.938 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -4.305 | 29.179 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 66,9500 | -2.377 | -159 | 5.101 | ||||
| 2017-02-14 | 2017-02-10 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.870 | 7.478 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 4.305 | 4.608 | ||||||
| 2017-02-14 | 2017-02-13 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -1.294 | 16.334 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.009 | 10.018 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -3.013 | 17.628 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 66,9500 | -1.690 | -113 | 12.542 | ||||
| 2017-02-14 | 2017-02-10 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 2.009 | 14.232 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 3.013 | 12.223 | ||||||
| 2017-02-14 | 2017-02-13 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.191 | 37.138 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -4.305 | 21.112 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -6.457 | 40.329 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 66,9500 | -3.548 | -238 | 26.819 | ||||
| 2017-02-14 | 2017-02-10 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 4.305 | 30.367 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 6.457 | 26.061 | ||||||
| 2017-02-14 | 2017-02-13 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | -3.111 | 6.040 | ||||||
| 2017-02-14 | 2017-02-13 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -7.225 | 80.874 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -8.036 | 52.025 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -12.053 | 88.098 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 66,9500 | -7.296 | -488 | 48.193 | ||||
| 2017-02-14 | 2017-02-10 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 8.036 | 55.489 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 12.053 | 47.453 | ||||||
| 2017-02-14 | 2017-02-13 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.204 | 14.282 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.149 | 8.858 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.722 | 15.486 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | Abrams John R | MKSI | Common Stock | D | 66,9500 | -999 | -67 | 6.815 | ||||
| 2017-02-14 | 2017-02-10 | 4 | Abrams John R | MKSI | Common Stock | D | 1.149 | 7.814 | ||||||
| 2017-02-14 | 2017-02-10 | 4 | Abrams John R | MKSI | Common Stock | D | 1.722 | 6.665 | ||||||
| 2017-02-02 | 2017-02-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 66,6000 | -200 | -13 | 14.965 | ||||
| 2017-02-02 | 2017-02-01 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 66,6000 | -1.000 | -67 | 9.210 | ||||
| 2017-01-11 | 2016-11-30 | 4 | ANDERSON ROBERT R By Trust | MKSI | Common Stock | I | -2.500 | 13.796 | ||||||
| 2016-12-05 | 2016-12-02 | 4 | Abrams John R | MKSI | Common Stock | D | 54,0500 | -302 | -16 | 4.943 | ||||
| 2016-12-05 | 2016-12-01 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 57,4000 | -1.000 | -57 | 10.210 | ||||
| 2016-11-23 | 2016-11-22 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 56,7590 | -2.500 | -142 | 20.128 | ||||
| 2016-11-21 | 2016-11-17 | 4 | Werth Dennis L | MKSI | Stock Appreciation Right | D | 20,32 | -5.838 | 0 | |||||
| 2016-11-21 | 2016-11-17 | 4 | Werth Dennis L | MKSI | Common Stock | D | 20,3200 | 5.838 | 119 | 5.838 | ||||
| 2016-11-21 | 2016-11-17 | 4 | Werth Dennis L | MKSI | Common Stock | D | 56,4100 | -2.333 | -132 | 0 | ||||
| 2016-11-21 | 2016-11-17 | 4 | Werth Dennis L | MKSI | Common Stock | D | 56,5000 | -1.405 | -79 | 2.333 | ||||
| 2016-11-21 | 2016-11-17 | 4 | Werth Dennis L | MKSI | Common Stock | D | 56,5000 | -2.100 | -119 | 3.738 | ||||
| 2016-11-17 | 2016-11-16 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 55,4500 | -10.000 | -554 | 19.302 | ||||
| 2016-11-17 | 2016-11-16 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 55,8610 | -2.500 | -140 | 35.400 | ||||
| 2016-11-02 | 2016-11-01 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 50,5000 | -200 | -10 | 15.165 | ||||
| 2016-10-04 | 2016-10-03 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 49,3600 | -1.000 | -49 | 11.210 | ||||
| 2016-09-14 | 2016-09-13 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 47,1090 | -5.000 | -236 | 37.900 | ||||
| 2016-08-22 | 2016-08-19 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 47,4260 | -15.000 | -711 | 29.302 | ||||
| 2016-08-17 | 2016-08-15 | 4 | HANLEY PETER | MKSI | Common Stock | D | 46,7800 | -259 | -12 | 3.833 | ||||
| 2016-08-11 | 2016-08-10 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 46,3610 | -9.955 | -462 | 0 | ||||
| 2016-08-04 | 2016-08-03 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 45,1700 | -200 | -9 | 15.365 | ||||
| 2016-08-04 | 2016-08-03 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 45,1700 | -1.000 | -45 | 12.210 | ||||
| 2016-08-02 | 2016-08-01 | 4 | HANLEY PETER | MKSI | Common Stock | D | 45,6680 | -400 | -18 | 4.092 | ||||
| 2016-08-02 | 2016-08-01 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 45,7130 | -5.000 | -229 | 42.900 | ||||
| 2016-07-06 | 3 | PHILLIPPY ROBERT J By Phillippy Family Trust | MKSI | Common Stock | I | 28.134 | ||||||||
| 2016-07-06 | 3 | PHILLIPPY ROBERT J By Phillippy Family Trust | MKSI | Common Stock | I | 28.134 | ||||||||
| 2016-07-06 | 2016-07-05 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 5.930 | 46.786 | ||||||
| 2016-07-06 | 2016-07-01 | 4 | PHILLIPPY ROBERT J | MKSI | Common Stock | D | 3.288 | 3.288 | ||||||
| 2016-07-06 | 2016-07-05 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 9.488 | 100.151 | ||||||
| 2016-07-06 | 2016-07-05 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 3.558 | 29.734 | ||||||
| 2016-07-06 | 2016-07-05 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | 2.965 | 17.208 | ||||||
| 2016-07-06 | 2016-07-05 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | 3.558 | 20.642 | ||||||
| 2016-06-13 | 2016-06-10 | 4 | HANLEY PETER | MKSI | Common Stock | D | 41,2910 | -2.000 | -83 | 4.492 | ||||
| 2016-06-09 | 2016-06-08 | 4 | Abrams John R | MKSI | Common Stock | D | 42,0000 | -3.498 | -147 | 4.943 | ||||
| 2016-06-03 | 2016-06-02 | 4 | Abrams John R | MKSI | Common Stock | D | 40,8500 | -338 | -14 | 8.441 | ||||
| 2016-06-02 | 2016-05-31 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | 13.529 | 31.152 | ||||||
| 2016-06-02 | 2016-05-31 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | 3.660 | 17.624 | ||||||
| 2016-06-02 | 2016-05-31 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | 9.151 | 9.151 | ||||||
| 2016-06-02 | 2016-05-31 | 4 | Werth Dennis L | MKSI | Restricted Stock Unit | D | 6.101 | 13.964 | ||||||
| 2016-05-31 | 2016-05-27 | 4 | HANLEY PETER | MKSI | Common Stock | D | 40,6100 | -400 | -16 | 6.492 | ||||
| 2016-05-31 | 2016-05-27 | 4 | HANLEY PETER | MKSI | Common Stock | D | 40,5970 | -400 | -16 | 6.892 | ||||
| 2016-05-26 | 2016-05-24 | 4 | HANLEY PETER | MKSI | Common Stock | D | 38,9970 | -500 | -19 | 7.292 | ||||
| 2016-05-17 | 2016-05-16 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 36,2500 | -1.000 | -36 | 13.210 | ||||
| 2016-05-10 | 2016-05-09 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 35,9400 | -3.000 | -108 | 9.615 | ||||
| 2016-05-09 | 2016-05-05 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 35,9350 | 3.500 | 126 | 22.628 | ||||
| 2016-05-04 | 2016-05-02 | 4 | BERTUCCI JOHN R | MKSI | Common Stock | D | 3.832 | 7.792 | ||||||
| 2016-05-04 | 2016-05-03 | 4 | HANLEY PETER | MKSI | Common Stock | D | 36,6000 | -323 | -12 | 7.792 | ||||
| 2016-05-04 | 2016-05-02 | 4 | HANLEY PETER | MKSI | Common Stock | D | 3.832 | 8.115 | ||||||
| 2016-05-04 | 2016-05-02 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 3.832 | 19.128 | ||||||
| 2016-05-04 | 2016-05-02 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 3.832 | 12.615 | ||||||
| 2016-05-04 | 2016-05-02 | 4 | Beecher Gregory R | MKSI | Common Stock | D | 3.832 | 41.015 | ||||||
| 2016-05-04 | 2016-05-02 | 4 | Moloney Jacqueline F | MKSI | Common Stock | D | 3.832 | 3.832 | ||||||
| 2016-05-04 | 2016-05-02 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 3.832 | 15.565 | ||||||
| 2016-04-05 | 2016-04-04 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.503 | 10.006 | ||||||
| 2016-04-05 | 2016-04-04 | 4 | Abrams John R | MKSI | Common Stock | D | 37,8500 | -488 | -18 | 8.440 | ||||
| 2016-04-05 | 2016-04-04 | 4 | Abrams John R | MKSI | Common Stock | D | 1.503 | 8.928 | ||||||
| 2016-03-25 | 2016-03-24 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 35,7470 | -10.000 | -357 | 47.900 | ||||
| 2016-03-21 | 2016-03-18 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 36,0000 | -1.000 | -36 | 14.210 | ||||
| 2016-02-29 | 2016-02-26 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 32,7000 | -1.750 | -57 | 43.964 | ||||
| 2016-02-29 | 2016-02-25 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.715 | 25.417 | ||||||
| 2016-02-29 | 2016-02-25 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -5.052 | 40.856 | ||||||
| 2016-02-29 | 2016-02-25 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 32,7700 | -2.846 | -93 | 45.714 | ||||
| 2016-02-29 | 2016-02-25 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.715 | 48.560 | ||||||
| 2016-02-29 | 2016-02-25 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 5.052 | 44.845 | ||||||
| 2016-02-29 | 2016-02-25 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -4.954 | 60.061 | ||||||
| 2016-02-29 | 2016-02-25 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -6.737 | 90.664 | ||||||
| 2016-02-29 | 2016-02-25 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 32,7700 | -5.501 | -180 | 57.900 | ||||
| 2016-02-29 | 2016-02-25 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 4.954 | 63.401 | ||||||
| 2016-02-29 | 2016-02-25 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 6.737 | 58.447 | ||||||
| 2016-02-29 | 2016-02-26 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 32,7000 | -994 | -33 | 9.617 | ||||
| 2016-02-29 | 2016-02-25 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.105 | 24.808 | ||||||
| 2016-02-29 | 2016-02-25 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.863 | 26.177 | ||||||
| 2016-02-29 | 2016-02-25 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 32,7700 | -1.613 | -53 | 10.611 | ||||
| 2016-02-29 | 2016-02-25 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.105 | 12.224 | ||||||
| 2016-02-29 | 2016-02-25 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.863 | 10.119 | ||||||
| 2016-02-29 | 2016-02-25 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -1.982 | 12.027 | ||||||
| 2016-02-29 | 2016-02-25 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.695 | 17.084 | ||||||
| 2016-02-29 | 2016-02-25 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 32,7700 | -1.519 | -50 | 15.210 | ||||
| 2016-02-29 | 2016-02-25 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 1.982 | 16.729 | ||||||
| 2016-02-29 | 2016-02-25 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 2.695 | 14.747 | ||||||
| 2016-02-18 | 2016-02-17 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 33,2600 | -1.600 | -53 | 39.793 | ||||
| 2016-02-18 | 2016-02-16 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 13.546 | 29.132 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 23.931 | 45.908 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.782 | 15.586 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -5.234 | 21.977 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 33,2200 | -2.927 | -97 | 41.393 | ||||
| 2016-02-18 | 2016-02-16 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.782 | 44.320 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 5.234 | 40.538 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 33.113 | 65.015 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 54.184 | 97.401 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -9.456 | 31.902 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -12.212 | 43.216 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 33,2200 | -8.688 | -289 | 51.710 | ||||
| 2016-02-18 | 2016-02-16 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 9.456 | 60.398 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 12.212 | 50.942 | ||||||
| 2016-02-18 | 2016-02-17 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 33,2600 | -1.371 | -46 | 7.256 | ||||
| 2016-02-18 | 2016-02-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 12.041 | 26.913 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 18.061 | 29.039 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -3.073 | 14.872 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -3.780 | 10.978 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 33,2200 | -2.225 | -74 | 8.627 | ||||
| 2016-02-18 | 2016-02-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.073 | 10.852 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.780 | 7.779 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | 6.020 | 11.509 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | 9.031 | 14.243 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.418 | 5.489 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.744 | 5.212 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Abrams John R | MKSI | Common Stock | D | 33,2200 | -1.027 | -34 | 7.425 | ||||
| 2016-02-18 | 2016-02-16 | 4 | Abrams John R | MKSI | Common Stock | D | 1.418 | 8.452 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Abrams John R | MKSI | Common Stock | D | 1.744 | 7.034 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | 6.472 | 14.009 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | 9.708 | 19.779 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -1.773 | 7.537 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.180 | 10.071 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 33,2200 | -1.284 | -43 | 12.052 | ||||
| 2016-02-18 | 2016-02-16 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 1.773 | 13.336 | ||||||
| 2016-02-18 | 2016-02-16 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 2.180 | 11.563 | ||||||
| 2016-02-12 | 2016-02-11 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 31,9600 | -850 | -27 | 35.304 | ||||
| 2016-02-12 | 2016-02-11 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 31,9600 | -1.300 | -42 | 36.154 | ||||
| 2016-02-12 | 2016-02-10 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -4.304 | 19.368 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -6.457 | 27.211 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 32,7000 | -3.597 | -118 | 37.454 | ||||
| 2016-02-12 | 2016-02-10 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 4.304 | 41.051 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 6.457 | 36.747 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -8.035 | 41.358 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -12.052 | 55.428 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 32,7000 | -6.575 | -215 | 38.730 | ||||
| 2016-02-12 | 2016-02-10 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 8.035 | 45.305 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 12.052 | 37.270 | ||||||
| 2016-02-12 | 2016-02-11 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 31,9600 | -574 | -18 | 3.999 | ||||
| 2016-02-12 | 2016-02-11 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 31,9600 | -861 | -28 | 4.573 | ||||
| 2016-02-12 | 2016-02-10 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.870 | 17.945 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -4.304 | 14.758 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 32,7000 | -2.416 | -79 | 5.434 | ||||
| 2016-02-12 | 2016-02-10 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.870 | 7.850 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 4.304 | 4.980 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.148 | 6.907 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.722 | 6.956 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | Abrams John R | MKSI | Common Stock | D | 32,7000 | -1.078 | -35 | 5.290 | ||||
| 2016-02-12 | 2016-02-10 | 4 | Abrams John R | MKSI | Common Stock | D | 1.148 | 6.368 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | Abrams John R | MKSI | Common Stock | D | 1.722 | 5.220 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.009 | 9.310 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -3.013 | 12.251 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 32,7000 | -1.741 | -57 | 9.383 | ||||
| 2016-02-12 | 2016-02-10 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 2.009 | 11.124 | ||||||
| 2016-02-12 | 2016-02-10 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 3.013 | 9.115 | ||||||
| 2016-02-05 | 2016-02-01 | 4 | BERTUCCI JOHN R | MKSI | Common Stock | D | -25.000 | 280.205 | ||||||
| 2016-01-29 | 2016-01-28 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 36,0000 | -1.000 | -36 | 6.102 | ||||
| 2016-01-28 | 2014-01-30 | 4/A | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -2.080 | 32.717 | ||||||
| 2016-01-28 | 2014-01-30 | 4/A | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -884 | 10.624 | ||||||
| 2016-01-28 | 2016-01-26 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -1.436 | 15.264 | ||||||
| 2016-01-28 | 2016-01-26 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.149 | 8.678 | ||||||
| 2016-01-28 | 2016-01-26 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.489 | 19.062 | ||||||
| 2016-01-28 | 2016-01-26 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.447 | 33.668 | ||||||
| 2016-01-28 | 2016-01-26 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -8.043 | 67.481 | ||||||
| 2016-01-04 | 2015-12-08 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | -3.000 | 15.296 | ||||||
| 2015-12-17 | 2015-12-16 | 4 | Amon Cristina | MKSI | Common Stock | D | 36,0900 | -1.500 | -54 | 29.283 | ||||
| 2015-12-17 | 2015-12-16 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 36,0300 | -1.000 | -36 | 7.102 | ||||
| 2015-12-04 | 2015-12-03 | 4 | HANLEY PETER | MKSI | Common Stock | D | 37,2950 | -800 | -30 | 4.283 | ||||
| 2015-09-15 | 2015-09-14 | 4 | HANLEY PETER | MKSI | Common Stock | D | 33,7170 | -900 | -30 | 5.083 | ||||
| 2015-08-14 | 2015-08-12 | 4 | HANLEY PETER | MKSI | Common Stock | D | 35,2290 | -900 | -32 | 5.983 | ||||
| 2015-07-16 | 2015-07-15 | 4 | CHUTE RICHARD S | MKSI | Director Stock Option (Right to Buy) | D | 24,35 | -12.000 | 0 | |||||
| 2015-07-16 | 2015-07-15 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 36,6770 | -12.000 | -440 | 8.783 | ||||
| 2015-07-16 | 2015-07-15 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 24,3500 | 12.000 | 292 | 20.783 | ||||
| 2015-06-22 | 2015-06-18 | 4 | BERTUCCI JOHN R | MKSI | Common Stock | D | -26.000 | 305.205 | ||||||
| 2015-06-02 | 2015-05-29 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 30,7360 | 346 | 11 | 29.959 | ||||
| 2015-06-02 | 2015-05-29 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 30,7360 | 346 | 11 | 346 | ||||
| 2015-06-02 | 2015-05-29 | 4 | Abrams John R | MKSI | Common Stock | D | 30,7360 | 346 | 11 | 3.168 | ||||
| 2015-05-29 | 2015-05-28 | 4 | HANLEY PETER | MKSI | Common Stock | D | 37,7180 | -1.600 | -60 | 6.883 | ||||
| 2015-05-29 | 2015-05-28 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 37,5000 | -500 | -19 | 18.296 | ||||
| 2015-05-22 | 2015-05-21 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 37,3200 | -500 | -19 | 18.796 | ||||
| 2015-05-15 | 2015-05-14 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 36,3300 | -500 | -18 | 19.296 | ||||
| 2015-05-15 | 2015-05-14 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 36,3590 | -10.747 | -391 | 1 | ||||
| 2015-05-08 | 2015-05-07 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 34,7800 | -500 | -17 | 19.796 | ||||
| 2015-05-06 | 2015-05-04 | 4 | BERTUCCI JOHN R | MKSI | Common Stock | D | 3.959 | 331.205 | ||||||
| 2015-05-06 | 2015-05-04 | 4 | HANLEY PETER | MKSI | Common Stock | D | 3.959 | 8.483 | ||||||
| 2015-05-06 | 2015-05-04 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 3.959 | 20.296 | ||||||
| 2015-05-06 | 2015-05-04 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 3.959 | 8.783 | ||||||
| 2015-05-06 | 2015-05-04 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 35,4600 | -3.000 | -106 | 4.824 | ||||
| 2015-05-06 | 2015-05-04 | 4 | Beecher Gregory R | MKSI | Common Stock | D | 3.959 | 37.183 | ||||||
| 2015-05-06 | 2015-05-04 | 4 | Amon Cristina | MKSI | Common Stock | D | 3.959 | 30.783 | ||||||
| 2015-05-06 | 2015-05-04 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 3.959 | 11.733 | ||||||
| 2015-05-06 | 2015-05-04 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 35,3910 | -2.800 | -99 | 7.774 | ||||
| 2015-05-04 | 2015-04-30 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 35,7300 | -500 | -18 | 16.337 | ||||
| 2015-04-28 | 2015-04-27 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 36,0780 | -5.000 | -180 | 25.218 | ||||
| 2015-04-24 | 2015-04-23 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 36,2500 | -500 | -18 | 16.837 | ||||
| 2015-04-17 | 2015-04-16 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 33,9000 | -500 | -17 | 17.337 | ||||
| 2015-04-10 | 2015-04-09 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 33,6300 | -500 | -17 | 17.837 | ||||
| 2015-04-07 | 2015-04-06 | 4 | HANLEY PETER | MKSI | Common Stock | D | 33,3400 | -325 | -11 | 4.524 | ||||
| 2015-04-07 | 2015-04-06 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.503 | 8.055 | ||||||
| 2015-04-07 | 2015-04-06 | 4 | Abrams John R | MKSI | Common Stock | D | 33,8100 | -489 | -17 | 2.822 | ||||
| 2015-04-07 | 2015-04-06 | 4 | Abrams John R | MKSI | Common Stock | D | 1.503 | 3.311 | ||||||
| 2015-04-03 | 2015-04-02 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 33,6000 | -500 | -17 | 18.337 | ||||
| 2015-04-03 | 2015-04-02 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.469 | 11.319 | ||||||
| 2015-04-03 | 2015-04-02 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 33,7400 | -803 | -27 | 8.102 | ||||
| 2015-04-03 | 2015-04-02 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 33,7400 | 2.469 | 83 | 8.905 | ||||
| 2015-03-27 | 2015-03-26 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 33,7400 | -500 | -17 | 18.837 | ||||
| 2015-03-20 | 2015-03-19 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 35,8480 | -500 | -18 | 19.337 | ||||
| 2015-03-13 | 2015-03-12 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 34,6000 | -500 | -17 | 19.837 | ||||
| 2015-03-09 | 2015-03-06 | 4 | HANLEY PETER | MKSI | Common Stock | D | 34,9800 | -325 | -11 | 4.849 | ||||
| 2015-03-03 | 2015-03-02 | 4 | CHUTE RICHARD S | MKSI | Director Stock Option (Right to Buy) | D | 15,84 | -12.000 | 0 | |||||
| 2015-03-03 | 2015-03-02 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 35,5750 | -12.000 | -427 | 7.824 | ||||
| 2015-03-03 | 2015-03-02 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 15,8400 | 12.000 | 190 | 19.824 | ||||
| 2015-02-26 | 2015-02-25 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -4.953 | 49.393 | ||||||
| 2015-02-26 | 2015-02-25 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -6.736 | 79.684 | ||||||
| 2015-02-26 | 2015-02-25 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 35,8300 | -5.410 | -194 | 30.218 | ||||
| 2015-02-26 | 2015-02-25 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 4.953 | 35.628 | ||||||
| 2015-02-26 | 2015-02-25 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 6.736 | 30.675 | ||||||
| 2015-02-26 | 2015-02-25 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.715 | 23.672 | ||||||
| 2015-02-26 | 2015-02-25 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -5.052 | 37.115 | ||||||
| 2015-02-26 | 2015-02-25 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 35,8300 | -2.850 | -102 | 29.613 | ||||
| 2015-02-26 | 2015-02-25 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.715 | 32.463 | ||||||
| 2015-02-26 | 2015-02-25 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 5.052 | 28.748 | ||||||
| 2015-02-26 | 2015-02-25 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -1.981 | 13.788 | ||||||
| 2015-02-26 | 2015-02-25 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.695 | 16.700 | ||||||
| 2015-02-26 | 2015-02-25 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 35,8300 | -1.520 | -54 | 6.436 | ||||
| 2015-02-26 | 2015-02-25 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 1.981 | 7.956 | ||||||
| 2015-02-26 | 2015-02-25 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 35,8300 | 2.695 | 97 | 5.975 | ||||
| 2015-02-26 | 2015-02-25 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.105 | 20.815 | ||||||
| 2015-02-26 | 2015-02-25 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.863 | 23.320 | ||||||
| 2015-02-26 | 2015-02-25 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 35,8300 | -1.616 | -58 | 10.748 | ||||
| 2015-02-26 | 2015-02-25 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.105 | 12.364 | ||||||
| 2015-02-26 | 2015-02-25 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.863 | 10.259 | ||||||
| 2015-02-25 | 2015-02-23 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.119 | 27.387 | ||||||
| 2015-02-25 | 2015-02-23 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.115 | 42.167 | ||||||
| 2015-02-25 | 2015-02-23 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 35,6000 | -1.702 | -61 | 23.696 | ||||
| 2015-02-25 | 2015-02-23 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.119 | 25.398 | ||||||
| 2015-02-25 | 2015-02-23 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.115 | 23.279 | ||||||
| 2015-02-25 | 2015-02-23 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 35,3020 | -2.115 | -75 | 20.164 | ||||
| 2015-02-25 | 2015-02-23 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.325 | 22.920 | ||||||
| 2015-02-25 | 2015-02-23 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.947 | 26.183 | ||||||
| 2015-02-25 | 2015-02-23 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 35,6000 | -1.064 | -38 | 7.395 | ||||
| 2015-02-25 | 2015-02-23 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.325 | 8.459 | ||||||
| 2015-02-25 | 2015-02-23 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.947 | 7.134 | ||||||
| 2015-02-25 | 2015-02-23 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -2.914 | 54.346 | ||||||
| 2015-02-25 | 2015-02-23 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -4.283 | 86.419 | ||||||
| 2015-02-25 | 2015-02-23 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 35,6000 | -2.341 | -83 | 23.939 | ||||
| 2015-02-25 | 2015-02-23 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 2.914 | 26.280 | ||||||
| 2015-02-25 | 2015-02-23 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 4.283 | 23.366 | ||||||
| 2015-02-19 | 2015-02-17 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 44.681 | 90.703 | ||||||
| 2015-02-19 | 2015-02-17 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 28.369 | 57.261 | ||||||
| 2015-02-19 | 2015-02-17 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 35,3020 | -6.000 | -212 | 19.083 | ||||
| 2015-02-19 | 2015-02-17 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 9.220 | 24.245 | ||||||
| 2015-02-19 | 2015-02-17 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 13.830 | 28.130 | ||||||
| 2015-02-19 | 2015-02-17 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | 5.319 | 15.769 | ||||||
| 2015-02-19 | 2015-02-17 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | 7.979 | 19.395 | ||||||
| 2015-02-19 | 2015-02-17 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 11.348 | 29.506 | ||||||
| 2015-02-19 | 2015-02-17 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 19.149 | 45.282 | ||||||
| 2015-02-19 | 2015-02-17 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | 4.255 | 9.558 | ||||||
| 2015-02-19 | 2015-02-17 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | 6.383 | 9.827 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -4.304 | 18.159 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -6.456 | 26.133 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 35,7800 | -1.615 | -58 | 22.279 | ||||
| 2015-02-11 | 2015-02-10 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 35,8600 | -3.598 | -129 | 23.894 | ||||
| 2015-02-11 | 2015-02-10 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 4.304 | 27.492 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 6.456 | 23.188 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -8.034 | 28.892 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -12.051 | 46.022 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 35,8600 | -6.594 | -236 | 25.083 | ||||
| 2015-02-11 | 2015-02-10 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 8.034 | 31.677 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 12.051 | 23.643 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.147 | 5.302 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.721 | 3.444 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | Abrams John R | MKSI | Common Stock | D | 35,8600 | -1.060 | -38 | 1.808 | ||||
| 2015-02-11 | 2015-02-10 | 4 | Abrams John R | MKSI | Common Stock | D | 1.147 | 2.868 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | Abrams John R | MKSI | Common Stock | D | 1.721 | 1.721 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.008 | 10.450 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -3.013 | 11.416 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 35,8600 | -1.741 | -62 | 3.280 | ||||
| 2015-02-11 | 2015-02-10 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 2.008 | 5.021 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 3.013 | 3.013 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.869 | 15.025 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -4.304 | 14.300 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 35,8600 | -2.417 | -87 | 5.187 | ||||
| 2015-02-11 | 2015-02-10 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.869 | 7.604 | ||||||
| 2015-02-11 | 2015-02-10 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 4.304 | 4.735 | ||||||
| 2015-02-10 | 2015-02-06 | 4 | HANLEY PETER | MKSI | Common Stock | D | 36,0200 | -325 | -12 | 5.174 | ||||
| 2015-02-02 | 2015-01-30 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 36,0900 | -1.041 | -38 | 1 | ||||
| 2015-01-30 | 2015-01-22 | 4 | BERTUCCI JOHN R | MKSI | Common Stock | D | -36.000 | 327.246 | ||||||
| 2015-01-26 | 2015-01-23 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 34,7600 | -1.040 | -36 | 1.042 | ||||
| 2015-01-20 | 2015-01-16 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 33,1000 | -1.040 | -34 | 2.082 | ||||
| 2015-01-05 | 2015-01-02 | 4 | HANLEY PETER | MKSI | Common Stock | D | 36,8600 | -325 | -12 | 5.499 | ||||
| 2014-12-15 | 2014-12-12 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 35,9700 | -1.041 | -37 | 3.122 | ||||
| 2014-12-11 | 2014-12-10 | 4 | Abrams John R | MKSI | Common Stock | D | 36,8300 | -430 | -16 | 1 | ||||
| 2014-12-08 | 2014-12-05 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 36,1700 | -1.040 | -38 | 4.163 | ||||
| 2014-12-03 | 2014-12-02 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 36,0900 | -1.875 | -68 | 10.574 | ||||
| 2014-12-02 | 2014-11-28 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 24,3270 | 431 | 10 | 431 | ||||
| 2014-12-02 | 2014-11-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 24,3270 | 431 | 10 | 16.732 | ||||
| 2014-12-02 | 2014-11-28 | 4 | Abrams John R | MKSI | Common Stock | D | 24,3270 | 431 | 10 | 431 | ||||
| 2014-11-24 | 2014-11-21 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 36,3000 | -1.040 | -38 | 5.203 | ||||
| 2014-11-12 | 2014-11-10 | 4 | Abrams John R | MKSI | Common Stock | D | 36,5800 | -2.058 | -75 | 1 | ||||
| 2014-11-04 | 2014-11-03 | 4 | Amon Cristina | MKSI | Common Stock | D | 36,5500 | -556 | -20 | 26.824 | ||||
| 2014-11-03 | 2014-10-31 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 36,4020 | -1.000 | -36 | 16.301 | ||||
| 2014-10-30 | 2014-10-29 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 36,0040 | -4.000 | -144 | 17.301 | ||||
| 2014-10-28 | 2014-10-24 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 35,2600 | -4.000 | -141 | 21.301 | ||||
| 2014-10-24 | 2014-10-23 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 35,0000 | -3.000 | -105 | 11.591 | ||||
| 2014-10-20 | 2014-10-17 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -907 | 6.449 | ||||||
| 2014-10-20 | 2014-10-17 | 4 | Abrams John R | MKSI | Common Stock | D | 32,4200 | -296 | -10 | 2.059 | ||||
| 2014-10-20 | 2014-10-17 | 4 | Abrams John R | MKSI | Common Stock | D | 907 | 2.355 | ||||||
| 2014-09-22 | 2014-09-19 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 34,7650 | -3.500 | -122 | 25.301 | ||||
| 2014-09-02 | 2014-08-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 33,4550 | -2.600 | -87 | 28.801 | ||||
| 2014-08-20 | 2014-08-19 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 33,4660 | -400 | -13 | 31.401 | ||||
| 2014-08-20 | 2014-08-15 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 33,0150 | -3.000 | -99 | 14.591 | ||||
| 2014-08-15 | 2014-08-14 | 4 | HANLEY PETER | MKSI | Common Stock | D | 32,7500 | -3.000 | -98 | 5.824 | ||||
| 2014-08-12 | 2014-08-08 | 4 | ANDERSON ROBERT R | MKSI | Director Stock Option (Right to Buy) | D | 15,84 | -3.000 | 0 | |||||
| 2014-08-12 | 2014-08-08 | 4 | ANDERSON ROBERT R | MKSI | Director Stock Option (Right to Buy) | D | 24,35 | -9.069 | 0 | |||||
| 2014-08-12 | 2014-08-08 | 4 | ANDERSON ROBERT R | MKSI | Director Stock Option (Right to Buy) | D | 24,35 | -2.931 | 9.069 | |||||
| 2014-08-12 | 2014-08-08 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 32,3910 | -9.069 | -294 | 20.337 | ||||
| 2014-08-12 | 2014-08-08 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 15,8400 | 3.000 | 48 | 29.406 | ||||
| 2014-08-12 | 2014-08-08 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 24,3500 | 9.069 | 221 | 26.406 | ||||
| 2014-08-12 | 2014-08-08 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 24,3500 | 2.931 | 71 | 17.337 | ||||
| 2014-07-29 | 2014-07-28 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 31,9680 | -2.000 | -64 | 12.449 | ||||
| 2014-07-28 | 2014-07-24 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 32,6150 | -5.000 | -163 | 31.801 | ||||
| 2014-06-26 | 2014-06-25 | 4 | BERTUCCI JOHN R | MKSI | Common Stock | D | -60.000 | 363.246 | ||||||
| 2014-06-16 | 2014-06-13 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 29,6140 | -3.418 | -101 | 14.406 | ||||
| 2014-06-16 | 2014-06-13 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 29,5460 | -9.128 | -270 | 0 | ||||
| 2014-06-06 | 2014-06-05 | 4 | HANLEY PETER | MKSI | Common Stock | D | 29,6360 | -2.000 | -59 | 8.824 | ||||
| 2014-06-06 | 2014-06-05 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 29,5000 | -3.000 | -88 | 17.591 | ||||
| 2014-06-05 | 2014-06-04 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 28,6530 | -3.000 | -86 | 7.824 | ||||
| 2014-06-04 | 2014-05-30 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 24,5230 | 433 | 11 | 36.801 | ||||
| 2014-06-04 | 2014-05-30 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 24,5230 | 433 | 11 | 9.128 | ||||
| 2014-06-04 | 2014-05-30 | 4 | Abrams John R | MKSI | Common Stock | D | 24,5230 | 433 | 11 | 1.447 | ||||
| 2014-05-21 | 2014-05-16 | 4 | HANLEY PETER | MKSI | Common Stock | D | 27,1760 | -1.000 | -27 | 10.824 | ||||
| 2014-05-12 | 2014-05-08 | 4 | BERTUCCI JOHN R | MKSI | Common Stock | D | 4.405 | 423.246 | ||||||
| 2014-05-12 | 2014-05-08 | 4 | HANLEY PETER | MKSI | Common Stock | D | 4.405 | 11.824 | ||||||
| 2014-05-12 | 2014-05-08 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 4.405 | 17.824 | ||||||
| 2014-05-12 | 2014-05-08 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 4.405 | 10.824 | ||||||
| 2014-05-12 | 2014-05-08 | 4 | Beecher Gregory R | MKSI | Common Stock | D | 4.405 | 33.224 | ||||||
| 2014-05-12 | 2014-05-08 | 4 | Amon Cristina | MKSI | Common Stock | D | 4.405 | 27.380 | ||||||
| 2014-05-12 | 2014-05-08 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 4.405 | 14.449 | ||||||
| 2014-04-14 | 2014-04-11 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.113 | 12.458 | ||||||
| 2014-04-14 | 2014-04-11 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 28,0000 | -688 | -19 | 6.243 | ||||
| 2014-04-14 | 2014-04-11 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 2.113 | 6.931 | ||||||
| 2014-04-07 | 2014-04-04 | 4 | Abrams John R | MKSI | Restricted Stock Unit | D | -1.502 | 7.357 | ||||||
| 2014-04-07 | 2014-04-04 | 4 | Abrams John R | MKSI | Common Stock | D | 29,3800 | -489 | -14 | 1.014 | ||||
| 2014-04-07 | 2014-04-04 | 4 | Abrams John R | MKSI | Common Stock | D | 1.502 | 1.503 | ||||||
| 2014-04-03 | 2014-04-02 | 4 | Quirk Brian Charles | MKSI | Restricted Stock Unit | D | -2.469 | 14.571 | ||||||
| 2014-04-03 | 2014-04-02 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 30,7000 | -804 | -25 | 4.818 | ||||
| 2014-04-03 | 2014-04-02 | 4 | Quirk Brian Charles | MKSI | Common Stock | D | 2.469 | 5.622 | ||||||
| 2014-03-24 | 2014-02-10 | 4/A | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 36.157 | 73.034 | ||||||
| 2014-03-06 | 3 | Abrams John R | MKSI | Common Stock | D | 2 | ||||||||
| 2014-03-06 | 3 | Abrams John R | MKSI | Common Stock | D | 2 | ||||||||
| 2014-03-06 | 3 | Quirk Brian Charles | MKSI | Common Stock | D | 6.305 | ||||||||
| 2014-03-06 | 3 | Quirk Brian Charles | MKSI | Common Stock | D | 6.305 | ||||||||
| 2014-03-05 | 2014-03-04 | 4 | Amon Cristina | MKSI | Common Stock | D | 30,2500 | -5.111 | -155 | 22.974 | ||||
| 2014-03-03 | 2014-02-28 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.221 | 22.463 | ||||||
| 2014-03-03 | 2014-02-28 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.153 | 32.589 | ||||||
| 2014-03-03 | 2014-02-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 30,0600 | -1.751 | -53 | 36.368 | ||||
| 2014-03-03 | 2014-02-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.221 | 38.119 | ||||||
| 2014-03-03 | 2014-02-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.153 | 35.897 | ||||||
| 2014-03-03 | 2014-02-28 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -2.777 | 36.926 | ||||||
| 2014-03-03 | 2014-02-28 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -3.942 | 66.682 | ||||||
| 2014-03-03 | 2014-02-28 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 30,0600 | -2.188 | -66 | 20.591 | ||||
| 2014-03-03 | 2014-02-28 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 2.777 | 22.779 | ||||||
| 2014-03-03 | 2014-02-28 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 3.942 | 20.002 | ||||||
| 2014-03-03 | 2014-02-28 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.333 | 17.894 | ||||||
| 2014-03-03 | 2014-02-28 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.892 | 18.604 | ||||||
| 2014-03-03 | 2014-02-28 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 30,0600 | -1.050 | -32 | 8.695 | ||||
| 2014-03-03 | 2014-02-28 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.333 | 9.745 | ||||||
| 2014-03-03 | 2014-02-28 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.892 | 8.411 | ||||||
| 2014-02-27 | 2014-02-24 | 4 | HANLEY PETER | MKSI | Common Stock | D | 30,1050 | -1.000 | -30 | 7.418 | ||||
| 2014-02-27 | 2014-02-25 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.714 | 24.684 | ||||||
| 2014-02-27 | 2014-02-25 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -5.052 | 35.743 | ||||||
| 2014-02-27 | 2014-02-25 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 29,7700 | -2.854 | -85 | 32.744 | ||||
| 2014-02-27 | 2014-02-25 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.714 | 30.546 | ||||||
| 2014-02-27 | 2014-02-25 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 5.052 | 35.598 | ||||||
| 2014-02-27 | 2014-02-24 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.119 | 28.398 | ||||||
| 2014-02-27 | 2014-02-24 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.115 | 40.795 | ||||||
| 2014-02-27 | 2014-02-24 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 30,0200 | -1.705 | -51 | 26.832 | ||||
| 2014-02-27 | 2014-02-24 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.119 | 25.422 | ||||||
| 2014-02-27 | 2014-02-24 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.115 | 28.537 | ||||||
| 2014-02-27 | 2014-02-25 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -4.952 | 39.703 | ||||||
| 2014-02-27 | 2014-02-25 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -6.736 | 70.624 | ||||||
| 2014-02-27 | 2014-02-25 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 29,7700 | -3.805 | -113 | 16.061 | ||||
| 2014-02-27 | 2014-02-25 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 4.952 | 19.866 | ||||||
| 2014-02-27 | 2014-02-25 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 6.736 | 14.914 | ||||||
| 2014-02-27 | 2014-02-24 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -2.914 | 44.655 | ||||||
| 2014-02-27 | 2014-02-24 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -4.284 | 77.360 | ||||||
| 2014-02-27 | 2014-02-24 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 30,0200 | -2.344 | -70 | 8.178 | ||||
| 2014-02-27 | 2014-02-24 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 2.914 | 10.522 | ||||||
| 2014-02-27 | 2014-02-24 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 4.284 | 7.608 | ||||||
| 2014-02-27 | 2014-02-25 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.105 | 19.227 | ||||||
| 2014-02-27 | 2014-02-25 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.862 | 20.496 | ||||||
| 2014-02-27 | 2014-02-25 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 29,7700 | -1.618 | -48 | 6.519 | ||||
| 2014-02-27 | 2014-02-25 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.105 | 8.137 | ||||||
| 2014-02-27 | 2014-02-25 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.862 | 6.032 | ||||||
| 2014-02-27 | 2014-02-24 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.324 | 21.332 | ||||||
| 2014-02-27 | 2014-02-24 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.947 | 23.359 | ||||||
| 2014-02-27 | 2014-02-24 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 30,0200 | -1.065 | -32 | 3.170 | ||||
| 2014-02-27 | 2014-02-24 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.324 | 4.235 | ||||||
| 2014-02-27 | 2014-02-24 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.947 | 2.911 | ||||||
| 2014-02-14 | 2014-02-10 | 4/A | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 12.913 | 25.306 | ||||||
| 2014-02-14 | 2014-02-10 | 4/A | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 8.609 | 22.656 | ||||||
| 2014-02-12 | 2014-02-10 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 19.370 | 43.910 | ||||||
| 2014-02-12 | 2014-02-10 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 12.913 | 30.517 | ||||||
| 2014-02-12 | 2014-02-10 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 44.766 | 81.643 | ||||||
| 2014-02-12 | 2014-02-10 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 24.105 | 47.569 | ||||||
| 2014-02-12 | 2014-02-10 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 19.370 | 31.763 | ||||||
| 2014-02-12 | 2014-02-10 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 12.913 | 26.961 | ||||||
| 2014-02-11 | 2014-02-07 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 28,9520 | -4.000 | -116 | 13.418 | ||||
| 2014-02-06 | 2014-02-04 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 29,7500 | -1.875 | -56 | 10.043 | ||||
| 2014-02-04 | 2014-02-03 | 4 | CHUTE RICHARD S | MKSI | Director Stock Option (Right to Buy) | D | 20,07 | -12.000 | 0 | |||||
| 2014-02-04 | 2014-02-03 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 29,6930 | -12.000 | -356 | 6.418 | ||||
| 2014-02-04 | 2014-02-03 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 20,0700 | 12.000 | 241 | 18.418 | ||||
| 2014-02-03 | 2014-01-30 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -1.560 | 24.540 | ||||||
| 2014-02-03 | 2014-01-30 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 2.080 | 36.877 | ||||||
| 2014-02-03 | 2014-01-30 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 884 | 12.393 | ||||||
| 2014-02-03 | 2014-01-30 | 4 | Loomis Paul | MKSI | Restricted Stock Unit | D | 668 | 10.944 | ||||||
| 2014-02-03 | 2014-01-30 | 4 | Eyerman Paul | MKSI | Restricted Stock Unit | D | 598 | 10.121 | ||||||
| 2014-01-02 | 2013-12-30 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -54.999 | 0 | ||||||
| 2014-01-02 | 2013-12-30 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -36.747 | 44.577 | ||||||
| 2014-01-02 | 2013-12-30 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 29,6900 | -43.305 | -1.286 | 157.546 | ||||
| 2014-01-02 | 2013-12-30 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 54.999 | 200.851 | ||||||
| 2014-01-02 | 2013-12-30 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 36.747 | 145.852 | ||||||
| 2013-12-17 | 2013-12-16 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 29,1520 | -5.000 | -146 | 109.106 | ||||
| 2013-12-09 | 2013-12-06 | 4 | HANLEY PETER | MKSI | Common Stock | D | 29,3970 | -5.000 | -147 | 8.418 | ||||
| 2013-12-09 | 2013-12-06 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 29,3850 | -5.000 | -147 | 6.418 | ||||
| 2013-12-04 | 2013-11-29 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 23,9620 | 443 | 11 | 23.303 | ||||
| 2013-12-04 | 2013-11-29 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 23,9620 | 443 | 11 | 964 | ||||
| 2013-12-04 | 2013-11-29 | 4 | Eyerman Paul | MKSI | Common Stock | D | 23,9620 | 274 | 7 | 17.375 | ||||
| 2013-10-21 | 2013-10-18 | 4 | BERLINGHIERI LEO | MKSI | Stock Option (Right to Buy) | D | 27,11 | -31.800 | 0 | |||||
| 2013-10-21 | 2013-10-18 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 29,0240 | -31.800 | -923 | 114.106 | ||||
| 2013-10-21 | 2013-10-18 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 27,1100 | 31.800 | 862 | 145.906 | ||||
| 2013-07-08 | 2013-07-03 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -4.223 | 2.507 | ||||||
| 2013-07-08 | 2013-07-03 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -4.579 | 0 | ||||||
| 2013-07-08 | 2013-07-03 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 26,4300 | -2.872 | -76 | 5.931 | ||||
| 2013-07-08 | 2013-07-03 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 4.223 | 8.803 | ||||||
| 2013-07-08 | 2013-07-03 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 4.579 | 4.580 | ||||||
| 2013-06-04 | 2013-05-31 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 20,4170 | 520 | 11 | 22.859 | ||||
| 2013-06-04 | 2013-05-31 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 20,4170 | 520 | 11 | 520 | ||||
| 2013-06-04 | 2013-05-31 | 4 | Eyerman Paul | MKSI | Common Stock | D | 20,4170 | 520 | 11 | 17.101 | ||||
| 2013-05-31 | 2013-05-30 | 4 | Loomis Paul | MKSI | Common Stock | D | 28,0690 | -2.732 | -77 | 6.531 | ||||
| 2013-05-08 | 2013-05-06 | 4 | BERTUCCI JOHN R | MKSI | Common Stock | D | 4.418 | 418.840 | ||||||
| 2013-05-08 | 2013-05-06 | 4 | HANLEY PETER | MKSI | Common Stock | D | 4.418 | 13.418 | ||||||
| 2013-05-08 | 2013-05-06 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 4.418 | 11.418 | ||||||
| 2013-05-08 | 2013-05-06 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 4.418 | 17.418 | ||||||
| 2013-05-08 | 2013-05-06 | 4 | Beecher Gregory R | MKSI | Common Stock | D | 4.418 | 28.818 | ||||||
| 2013-05-08 | 2013-05-06 | 4 | Amon Cristina | MKSI | Common Stock | D | 4.418 | 28.085 | ||||||
| 2013-05-08 | 2013-05-06 | 4 | Mora Elizabeth | MKSI | Common Stock | D | 4.418 | 11.918 | ||||||
| 2013-04-15 | 2013-04-12 | 4 | Loomis Paul | MKSI | Common Stock | D | 26,7300 | -1.394 | -37 | 9.263 | ||||
| 2013-04-12 | 2013-04-11 | 4 | Eyerman Paul | MKSI | Restricted Stock Unit | D | -2.043 | 8.435 | ||||||
| 2013-04-12 | 2013-04-11 | 4 | Eyerman Paul | MKSI | Common Stock | D | 26,8400 | -756 | -20 | 16.581 | ||||
| 2013-04-12 | 2013-04-11 | 4 | Eyerman Paul | MKSI | Common Stock | D | 2.043 | 17.337 | ||||||
| 2013-04-12 | 2013-04-11 | 4 | Loomis Paul | MKSI | Restricted Stock Unit | D | -2.043 | 8.937 | ||||||
| 2013-04-12 | 2013-04-11 | 4 | Loomis Paul | MKSI | Common Stock | D | 26,8400 | -667 | -18 | 10.657 | ||||
| 2013-04-12 | 2013-04-11 | 4 | Loomis Paul | MKSI | Common Stock | D | 2.043 | 11.324 | ||||||
| 2013-04-11 | 2013-04-09 | 4 | Eyerman Paul | MKSI | Restricted Stock Unit | D | -5.000 | 0 | ||||||
| 2013-04-11 | 2013-04-09 | 4 | Eyerman Paul | MKSI | Common Stock | D | 26,0600 | -1.849 | -48 | 15.294 | ||||
| 2013-04-11 | 2013-04-09 | 4 | Eyerman Paul | MKSI | Common Stock | D | 5.000 | 17.143 | ||||||
| 2013-04-11 | 2013-04-09 | 4 | Loomis Paul | MKSI | Restricted Stock Unit | D | -5.000 | 0 | ||||||
| 2013-04-11 | 2013-04-09 | 4 | Loomis Paul | MKSI | Common Stock | D | 26,0600 | -1.631 | -43 | 9.281 | ||||
| 2013-04-11 | 2013-04-09 | 4 | Loomis Paul | MKSI | Common Stock | D | 5.000 | 10.912 | ||||||
| 2013-03-15 | 2013-03-13 | 4 | HANLEY PETER | MKSI | Common Stock | D | 27,3220 | -4.000 | -109 | 9.000 | ||||
| 2013-03-15 | 2013-03-14 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 27,4990 | -3.000 | -82 | 13.000 | ||||
| 2013-03-15 | 2013-03-14 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 27,6350 | -8.160 | -226 | 0 | ||||
| 2013-03-12 | 2013-03-11 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 27,5940 | -3.300 | -91 | 3.324 | ||||
| 2013-03-06 | 2013-03-05 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 27,3330 | -2.639 | -72 | 0 | ||||
| 2013-03-05 | 2013-03-04 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.000 | 17.604 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.700 | 26.100 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 26,9600 | -1.534 | -41 | 22.339 | ||||
| 2013-03-05 | 2013-03-04 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.000 | 23.873 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.700 | 21.873 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -10.834 | 54.999 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -14.625 | 81.323 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 26,9600 | -12.017 | -324 | 114.106 | ||||
| 2013-03-05 | 2013-03-04 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 10.834 | 126.123 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 14.625 | 115.289 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -1.667 | 4.579 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -2.250 | 6.730 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 26,9600 | -1.278 | -34 | 2.639 | ||||
| 2013-03-05 | 2013-03-04 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 1.667 | 3.917 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 2.250 | 2.250 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -4.167 | 23.464 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -5.625 | 34.797 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 26,9600 | -3.193 | -86 | 6.624 | ||||
| 2013-03-05 | 2013-03-04 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 4.167 | 9.817 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 5.625 | 5.650 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.084 | 14.048 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.813 | 11.509 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 26,9600 | -1.598 | -43 | 8.160 | ||||
| 2013-03-05 | 2013-03-04 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.084 | 9.758 | ||||||
| 2013-03-05 | 2013-03-04 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.813 | 7.674 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.221 | 19.604 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.153 | 28.800 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 27,1400 | -1.754 | -48 | 19.173 | ||||
| 2013-03-04 | 2013-02-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.221 | 20.927 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.153 | 18.706 | ||||||
| 2013-03-04 | 2013-03-01 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 26,7500 | -1.629 | -44 | 0 | ||||
| 2013-03-04 | 2013-02-28 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -999 | 6.246 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -1.419 | 8.980 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 27,1400 | -789 | -21 | 1.629 | ||||
| 2013-03-04 | 2013-02-28 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 999 | 2.418 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 1.419 | 1.419 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -8.328 | 65.833 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -11.825 | 95.948 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 27,1400 | -7.166 | -194 | 100.664 | ||||
| 2013-03-04 | 2013-02-28 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 8.328 | 107.830 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 11.825 | 99.502 | ||||||
| 2013-03-04 | 2013-03-01 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 27,0000 | -4.525 | -122 | 25 | ||||
| 2013-03-04 | 2013-02-28 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -2.776 | 27.631 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -3.942 | 40.422 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 27,1400 | -2.191 | -59 | 4.550 | ||||
| 2013-03-04 | 2013-02-28 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 2.776 | 6.741 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 3.942 | 3.965 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.332 | 16.132 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.892 | 14.322 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 27,1400 | -1.052 | -29 | 4.861 | ||||
| 2013-03-04 | 2013-02-28 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.332 | 5.913 | ||||||
| 2013-03-04 | 2013-02-28 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.892 | 4.581 | ||||||
| 2013-02-28 | 2013-02-27 | 4 | HANLEY PETER | MKSI | Common Stock | D | 27,0100 | -3.222 | -87 | 13.000 | ||||
| 2013-02-28 | 2013-02-26 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 27,1300 | -1.600 | -43 | 0 | ||||
| 2013-02-28 | 2013-02-26 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 27,2500 | -4.850 | -132 | 24 | ||||
| 2013-02-26 | 2013-02-25 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 16.716 | 31.954 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 11.144 | 21.825 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.119 | 10.681 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.114 | 15.238 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 26,9200 | -1.697 | -46 | 15.552 | ||||
| 2013-02-26 | 2013-02-25 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.119 | 17.249 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.114 | 15.130 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | 44.577 | 107.774 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | 29.718 | 74.161 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -8.476 | 44.443 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -12.460 | 63.197 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 26,9200 | -6.826 | -184 | 87.676 | ||||
| 2013-02-26 | 2013-02-25 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 8.476 | 94.502 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 12.460 | 86.026 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | 2.507 | 10.399 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | 1.672 | 7.245 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -953 | 5.574 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -1.401 | 7.892 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 26,9200 | -754 | -20 | 1.600 | ||||
| 2013-02-26 | 2013-02-25 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 953 | 2.354 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 1.401 | 1.401 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 22.288 | 44.364 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 14.859 | 30.407 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -2.913 | 15.548 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -4.283 | 22.076 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 26,9200 | -2.347 | -63 | 4.874 | ||||
| 2013-02-26 | 2013-02-25 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 2.913 | 7.221 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 4.283 | 4.308 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 9.473 | 16.214 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 6.315 | 17.464 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.324 | 11.149 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.946 | 6.741 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 26,9200 | -1.060 | -29 | 2.689 | ||||
| 2013-02-26 | 2013-02-25 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.324 | 3.749 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.946 | 2.425 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Eyerman Paul | MKSI | Restricted Stock Unit | D | 6.408 | 9.523 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Eyerman Paul | MKSI | Restricted Stock Unit | D | 4.272 | 10.478 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Eyerman Paul | MKSI | Restricted Stock Unit | D | -1.059 | 6.207 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Eyerman Paul | MKSI | Restricted Stock Unit | D | -1.557 | 3.115 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Eyerman Paul | MKSI | Common Stock | D | 26,9200 | -944 | -25 | 12.143 | ||||
| 2013-02-26 | 2013-02-25 | 4 | Eyerman Paul | MKSI | Common Stock | D | 1.059 | 13.087 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Eyerman Paul | MKSI | Common Stock | D | 1.557 | 12.028 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Loomis Paul | MKSI | Restricted Stock Unit | D | 7.160 | 10.275 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Loomis Paul | MKSI | Restricted Stock Unit | D | 4.773 | 7.801 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Loomis Paul | MKSI | Restricted Stock Unit | D | -1.059 | 3.028 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Loomis Paul | MKSI | Restricted Stock Unit | D | -1.557 | 3.115 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Loomis Paul | MKSI | Common Stock | D | 26,9200 | -830 | -22 | 5.912 | ||||
| 2013-02-26 | 2013-02-25 | 4 | Loomis Paul | MKSI | Common Stock | D | 1.059 | 6.742 | ||||||
| 2013-02-26 | 2013-02-25 | 4 | Loomis Paul | MKSI | Common Stock | D | 1.557 | 5.683 | ||||||
| 2013-02-07 | 2013-02-05 | 4 | ANDERSON ROBERT R | MKSI | Director Stock Option (Right to Buy) | D | 15,84 | -5.000 | 3.000 | |||||
| 2013-02-07 | 2013-02-05 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 28,0130 | -5.000 | -140 | 16.000 | ||||
| 2013-02-07 | 2013-02-05 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 15,8400 | 5.000 | 79 | 21.000 | ||||
| 2013-02-01 | 2013-01-30 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -191 | 18.352 | ||||||
| 2013-02-01 | 2013-01-30 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -86 | 9.293 | ||||||
| 2013-02-01 | 2013-01-30 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -763 | 75.657 | ||||||
| 2013-02-01 | 2013-01-30 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -262 | 26.358 | ||||||
| 2013-02-01 | 2013-01-30 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -119 | 8.687 | ||||||
| 2013-02-01 | 2013-01-30 | 4 | Loomis Paul | MKSI | Restricted Stock Unit | D | -95 | 4.673 | ||||||
| 2013-02-01 | 2013-01-30 | 4 | Eyerman Paul | MKSI | Restricted Stock Unit | D | -95 | 4.673 | ||||||
| 2012-12-06 | 2012-11-30 | 4 | Eyerman Paul | MKSI | Common Stock | D | 20,6130 | 327 | 7 | 10.471 | ||||
| 2012-12-05 | 2012-11-30 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 20,6130 | 479 | 10 | 12.016 | ||||
| 2012-12-05 | 2012-11-30 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 20,6130 | 479 | 10 | 479 | ||||
| 2012-12-04 | 2012-12-03 | 4 | BERTUCCI JOHN R By Spouse | MKSI | Common Stock | I | 24,0195 | -200.000 | -4.804 | 305.841 | ||||
| 2012-11-28 | 2012-11-26 | 4 | CHUTE RICHARD S | MKSI | Stock Option (Right to Buy) | D | 17,06 | -12.000 | 0 | |||||
| 2012-11-28 | 2012-11-26 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 24,0920 | -12.000 | -289 | 7.000 | ||||
| 2012-11-28 | 2012-11-26 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 17,0600 | 12.000 | 205 | 19.000 | ||||
| 2012-11-26 | 2012-11-21 | 4 | BERTUCCI JOHN R By Spouse | MKSI | Common Stock | I | -140.000 | 505.841 | ||||||
| 2012-09-14 | 2012-09-13 | 4 | HANLEY PETER | MKSI | Common Stock | D | 27,5180 | -4.000 | -110 | 16.222 | ||||
| 2012-08-22 | 2012-08-21 | 4 | HANLEY PETER | MKSI | Common Stock | D | 27,0680 | -4.000 | -108 | 20.222 | ||||
| 2012-08-10 | 2012-08-09 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 27,1500 | -6.000 | -163 | 16.000 | ||||
| 2012-08-07 | 2012-08-06 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 26,4690 | -3.341 | -88 | 25 | ||||
| 2012-08-07 | 2012-08-06 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 26,6730 | -2.868 | -76 | 0 | ||||
| 2012-07-31 | 2012-07-30 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 26,2320 | -6.000 | -157 | 7.000 | ||||
| 2012-06-07 | 2012-05-31 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 22,2280 | 478 | 11 | 11.537 | ||||
| 2012-06-07 | 2012-05-31 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 22,2280 | 478 | 11 | 2.868 | ||||
| 2012-06-07 | 2012-05-31 | 4 | Eyerman Paul | MKSI | Common Stock | D | 22,2280 | 478 | 11 | 10.144 | ||||
| 2012-05-30 | 2012-05-29 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -5.400 | 12.800 | ||||||
| 2012-05-30 | 2012-05-29 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 26,4300 | -1.712 | -45 | 11.059 | ||||
| 2012-05-30 | 2012-05-29 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 5.400 | 12.771 | ||||||
| 2012-05-30 | 2012-05-29 | 4 | Eyerman Paul | MKSI | Restricted Stock Unit | D | -4.000 | 5.000 | ||||||
| 2012-05-30 | 2012-05-29 | 4 | Eyerman Paul | MKSI | Common Stock | D | 26,4300 | -1.443 | -38 | 9.666 | ||||
| 2012-05-30 | 2012-05-29 | 4 | Eyerman Paul | MKSI | Common Stock | D | 4.000 | 11.109 | ||||||
| 2012-05-30 | 2012-05-29 | 4 | Loomis Paul | MKSI | Restricted Stock Unit | D | -4.000 | 8.179 | ||||||
| 2012-05-30 | 2012-05-29 | 4 | Loomis Paul | MKSI | Common Stock | D | 26,4300 | -1.268 | -34 | 4.126 | ||||
| 2012-05-30 | 2012-05-29 | 4 | Loomis Paul | MKSI | Common Stock | D | 4.000 | 5.394 | ||||||
| 2012-05-08 | 2012-05-07 | 4 | BERTUCCI JOHN R | MKSI | Common Stock | D | 6.000 | 414.422 | ||||||
| 2012-05-08 | 2012-05-07 | 4 | HANLEY PETER | MKSI | Common Stock | D | 6.000 | 24.222 | ||||||
| 2012-05-08 | 2012-05-07 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 6.000 | 22.000 | ||||||
| 2012-05-08 | 2012-05-07 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 6.000 | 13.000 | ||||||
| 2012-05-08 | 2012-05-07 | 4 | Beecher Gregory R | MKSI | Common Stock | D | 6.000 | 24.400 | ||||||
| 2012-05-08 | 2012-05-07 | 4 | Amon Cristina | MKSI | Common Stock | D | 6.000 | 23.667 | ||||||
| 2012-05-08 | 3 | Mora Elizabeth | MKSI | Common Stock | D | 7.500 | ||||||||
| 2012-05-02 | 2012-05-01 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 27,6800 | -1.913 | -53 | 0 | ||||
| 2012-04-24 | 2012-04-02 | 4 | STEWART WILLIAM D Spouse | MKSI | Restricted Stock Unit | I | 1.684 | 3.268 | ||||||
| 2012-04-12 | 2012-04-11 | 4 | Eyerman Paul | MKSI | Restricted Stock Unit | D | -2.042 | 7.266 | ||||||
| 2012-04-12 | 2012-04-11 | 4 | Eyerman Paul | MKSI | Common Stock | D | 27,8000 | -737 | -20 | 7.109 | ||||
| 2012-04-12 | 2012-04-11 | 4 | Eyerman Paul | MKSI | Common Stock | D | 2.042 | 7.846 | ||||||
| 2012-04-12 | 2012-04-11 | 4 | Loomis Paul | MKSI | Restricted Stock Unit | D | -2.042 | 4.087 | ||||||
| 2012-04-12 | 2012-04-11 | 4 | Loomis Paul | MKSI | Common Stock | D | 27,8000 | -648 | -18 | 1.394 | ||||
| 2012-04-12 | 2012-04-11 | 4 | Loomis Paul | MKSI | Common Stock | D | 2.042 | 2.042 | ||||||
| 2012-04-03 | 2012-04-02 | 4 | STEWART WILLIAM D | MKSI | Restricted Stock Unit | D | -6.037 | 0 | ||||||
| 2012-04-03 | 2012-04-02 | 4 | STEWART WILLIAM D | MKSI | Restricted Stock Unit | D | -5.592 | 0 | ||||||
| 2012-04-03 | 2012-04-02 | 4 | STEWART WILLIAM D | MKSI | Common Stock | D | 29,7000 | -3.617 | -107 | 15.261 | ||||
| 2012-04-03 | 2012-04-02 | 4 | STEWART WILLIAM D | MKSI | Common Stock | D | 6.037 | 18.878 | ||||||
| 2012-04-03 | 2012-04-02 | 4 | STEWART WILLIAM D | MKSI | Common Stock | D | 5.592 | 12.841 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -6.090 | 52.919 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -8.526 | 76.420 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 29,6000 | -6.096 | -180 | 73.566 | ||||
| 2012-03-19 | 2012-03-16 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 6.090 | 79.662 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 8.526 | 73.572 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | STEWART WILLIAM D | MKSI | Restricted Stock Unit | D | -1.400 | 6.037 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | STEWART WILLIAM D | MKSI | Restricted Stock Unit | D | -1.960 | 5.592 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | STEWART WILLIAM D | MKSI | Common Stock | D | 29,6000 | -1.046 | -31 | 7.249 | ||||
| 2012-03-19 | 2012-03-16 | 4 | STEWART WILLIAM D | MKSI | Common Stock | D | 1.400 | 8.295 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | STEWART WILLIAM D | MKSI | Common Stock | D | 1.960 | 6.895 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -1.167 | 6.527 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -1.634 | 9.379 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 29,6000 | -888 | -26 | 1.913 | ||||
| 2012-03-19 | 2012-03-16 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 1.167 | 2.801 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 1.634 | 1.634 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -2.042 | 18.461 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -2.859 | 26.621 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 29,6000 | -1.555 | -46 | 3.366 | ||||
| 2012-03-19 | 2012-03-16 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 2.042 | 4.921 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 2.859 | 2.879 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.459 | 12.473 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.042 | 8.807 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 29,6000 | -1.111 | -33 | 2.390 | ||||
| 2012-03-19 | 2012-03-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.459 | 3.501 | ||||||
| 2012-03-19 | 2012-03-16 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.042 | 2.042 | ||||||
| 2012-03-12 | 2012-03-09 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 29,1260 | -8.595 | -250 | 0 | ||||
| 2012-03-07 | 2012-03-06 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 28,6140 | -2.674 | -77 | 0 | ||||
| 2012-03-07 | 2012-03-06 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 28,4520 | -6.687 | -190 | 20 | ||||
| 2012-03-06 | 2012-03-05 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.000 | 18.200 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.700 | 18.543 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 28,4600 | -1.490 | -42 | 7.371 | ||||
| 2012-03-06 | 2012-03-05 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.000 | 8.861 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.700 | 6.861 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | STEWART WILLIAM D | MKSI | Restricted Stock Unit | D | -2.000 | 7.437 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | STEWART WILLIAM D | MKSI | Restricted Stock Unit | D | -2.700 | 7.552 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | STEWART WILLIAM D | MKSI | Common Stock | D | 28,4600 | -1.462 | -42 | 4.935 | ||||
| 2012-03-06 | 2012-03-05 | 4 | STEWART WILLIAM D | MKSI | Common Stock | D | 2.000 | 6.397 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | STEWART WILLIAM D | MKSI | Common Stock | D | 2.700 | 4.397 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -10.833 | 59.009 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -14.626 | 84.946 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 28,4600 | -10.618 | -302 | 65.046 | ||||
| 2012-03-06 | 2012-03-05 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 10.833 | 75.664 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 14.626 | 64.831 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -1.667 | 7.694 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -2.250 | 11.013 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 28,4600 | -1.243 | -35 | 2.674 | ||||
| 2012-03-06 | 2012-03-05 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 1.667 | 3.917 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 2.250 | 2.250 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -4.167 | 20.503 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -5.625 | 29.480 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 28,4600 | -3.105 | -88 | 6.707 | ||||
| 2012-03-06 | 2012-03-05 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 4.167 | 9.812 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 5.625 | 5.645 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.083 | 13.932 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -2.812 | 10.849 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 28,4600 | -1.553 | -44 | 8.595 | ||||
| 2012-03-06 | 2012-03-05 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.083 | 10.148 | ||||||
| 2012-03-06 | 2012-03-05 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 2.812 | 8.065 | ||||||
| 2012-03-05 | 2012-03-02 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 30,0380 | -4.592 | -138 | 20 | ||||
| 2012-03-01 | 2011-02-17 | 4/A | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -200 | 8.100 | ||||||
| 2012-03-01 | 2011-02-17 | 4/A | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -210 | 13.968 | ||||||
| 2012-03-01 | 2011-02-17 | 4/A | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -417 | 24.616 | ||||||
| 2012-03-01 | 2011-02-17 | 4/A | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -1.083 | 66.964 | ||||||
| 2012-03-01 | 2011-02-17 | 4/A | STEWART WILLIAM D | MKSI | Restricted Stock Unit | D | -200 | 13.408 | ||||||
| 2012-03-01 | 2011-02-17 | 4/A | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -167 | 11.174 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -2.220 | 20.200 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -3.153 | 21.243 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 30,6300 | -1.704 | -52 | 4.161 | ||||
| 2012-03-01 | 2012-02-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 2.220 | 5.865 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | BAGSHAW SETH H | MKSI | Common Stock | D | 3.153 | 3.645 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | STEWART WILLIAM D | MKSI | Restricted Stock Unit | D | -1.018 | 9.437 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | STEWART WILLIAM D | MKSI | Restricted Stock Unit | D | -1.446 | 10.252 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | STEWART WILLIAM D | MKSI | Common Stock | D | 30,6300 | -767 | -23 | 1.697 | ||||
| 2012-03-01 | 2012-02-28 | 4 | STEWART WILLIAM D | MKSI | Common Stock | D | 1.018 | 2.464 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | STEWART WILLIAM D | MKSI | Common Stock | D | 1.446 | 1.446 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -8.327 | 69.842 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -11.825 | 99.572 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 30,6300 | -6.884 | -211 | 50.205 | ||||
| 2012-03-01 | 2012-02-28 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 8.327 | 57.089 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 11.825 | 48.762 | ||||||
| 2012-03-01 | 2012-02-29 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 30,3500 | -1.651 | -50 | 0 | ||||
| 2012-03-01 | 2012-02-28 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -999 | 9.361 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -1.419 | 13.263 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 30,6300 | -767 | -23 | 1.651 | ||||
| 2012-03-01 | 2012-02-28 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 999 | 2.418 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | SMITH JOHN ALEXANDER | MKSI | Common Stock | D | 1.419 | 1.419 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -2.775 | 24.670 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -3.942 | 35.105 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 30,6300 | -2.130 | -65 | 4.612 | ||||
| 2012-03-01 | 2012-02-28 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 2.775 | 6.742 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | COLELLA GERARD G | MKSI | Common Stock | D | 3.942 | 3.967 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -3.750 | 0 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.332 | 16.015 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -1.892 | 13.661 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 30,6300 | -2.212 | -68 | 5.253 | ||||
| 2012-03-01 | 2012-02-28 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 3.750 | 7.465 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.332 | 3.715 | ||||||
| 2012-03-01 | 2012-02-28 | 4 | Lee John Tseng-Chung | MKSI | Common Stock | D | 1.892 | 2.383 | ||||||
| 2012-02-27 | 2012-02-27 | 4/A | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -266 | 24.596 | ||||||
| 2012-02-27 | 2012-02-27 | 4/A | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -999 | 112.480 | ||||||
| 2012-02-27 | 2012-02-27 | 4/A | STEWART WILLIAM D | MKSI | Restricted Stock Unit | D | -122 | 11.898 | ||||||
| 2012-02-27 | 2012-02-27 | 4/A | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -160 | 15.762 | ||||||
| 2012-02-27 | 2012-02-27 | 4/A | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -120 | 14.849 | ||||||
| 2012-02-27 | 2012-02-27 | 4/A | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -333 | 39.463 | ||||||
| 2012-02-27 | 2012-02-27 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | -266 | 24.863 | ||||||
| 2012-02-27 | 2012-02-27 | 4 | STEWART WILLIAM D | MKSI | Restricted Stock Unit | D | -122 | 12.020 | ||||||
| 2012-02-27 | 2012-02-27 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | -999 | 113.479 | ||||||
| 2012-02-27 | 2012-02-27 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | -120 | 14.969 | ||||||
| 2012-02-27 | 2012-02-27 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | -333 | 39.796 | ||||||
| 2012-02-27 | 2012-02-27 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | -160 | 15.922 | ||||||
| 2012-02-24 | 2012-02-23 | 4/A | Loomis Paul | MKSI | Restricted Stock Unit | D | 3.179 | 12.179 | ||||||
| 2012-02-24 | 2012-02-23 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 6.357 | 22.420 | ||||||
| 2012-02-24 | 2012-02-23 | 4 | BAGSHAW SETH H | MKSI | Restricted Stock Unit | D | 9.536 | 25.129 | ||||||
| 2012-02-24 | 2012-02-23 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | 38.144 | 114.479 | ||||||
| 2012-02-24 | 2012-02-23 | 4 | BERLINGHIERI LEO | MKSI | Restricted Stock Unit | D | 25.429 | 78.169 | ||||||
| 2012-02-24 | 2012-02-23 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | 2.861 | 10.360 | ||||||
| 2012-02-24 | 2012-02-23 | 4 | SMITH JOHN ALEXANDER | MKSI | Restricted Stock Unit | D | 4.291 | 15.089 | ||||||
| 2012-02-24 | 2012-02-23 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 13.112 | 40.130 | ||||||
| 2012-02-24 | 2012-02-23 | 4 | COLELLA GERARD G | MKSI | Restricted Stock Unit | D | 8.741 | 27.445 | ||||||
| 2012-02-24 | 2012-02-23 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 3.973 | 17.347 | ||||||
| 2012-02-24 | 2012-02-23 | 4 | Lee John Tseng-Chung | MKSI | Restricted Stock Unit | D | 5.960 | 16.082 | ||||||
| 2012-02-24 | 2012-02-23 | 4 | Eyerman Paul | MKSI | Restricted Stock Unit | D | 4.768 | 4.768 | ||||||
| 2012-02-24 | 2012-02-23 | 4 | Eyerman Paul | MKSI | Restricted Stock Unit | D | 3.179 | 9.308 | ||||||
| 2012-02-24 | 2012-02-23 | 4 | Loomis Paul | MKSI | Restricted Stock Unit | D | 3.179 | 12.179 | ||||||
| 2012-02-24 | 2012-02-23 | 4 | Loomis Paul | MKSI | Restricted Stock Unit | D | 4.768 | 4.768 | ||||||
| 2012-02-23 | 2012-02-22 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 31,3850 | -5.000 | -157 | 16.000 | ||||
| 2012-02-21 | 2012-02-17 | 4 | BERLINGHIERI LEO | MKSI | Stock Option (Right to Buy) | D | 27,11 | -3.200 | 31.800 | |||||
| 2012-02-21 | 2012-02-17 | 4 | BERLINGHIERI LEO | MKSI | Stock Option (Right to Buy) | D | 29,93 | -5.400 | 9.600 | |||||
| 2012-02-21 | 2012-02-17 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 32,0380 | -5.400 | -173 | 36.937 | ||||
| 2012-02-21 | 2012-02-17 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 27,1100 | 3.200 | 87 | 42.337 | ||||
| 2012-02-21 | 2012-02-17 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 32,0480 | -3.200 | -103 | 39.137 | ||||
| 2012-02-21 | 2012-02-17 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 29,9300 | 5.400 | 162 | 42.337 | ||||
| 2012-02-14 | 2012-02-13 | 4 | STEWART WILLIAM D Spouse | MKSI | Common Stock | I | 31,9800 | -188 | -6 | 1 | ||||
| 2012-02-08 | 2012-02-07 | 4 | Beecher Gregory R | MKSI | Common Stock | D | 31,9500 | -4.000 | -128 | 18.400 | ||||
| 2012-02-07 | 2012-02-06 | 4 | ANDERSON ROBERT R | MKSI | Director Stock Option (Right to Buy) | D | 15,84 | -4.000 | 8.000 | |||||
| 2012-02-07 | 2012-02-06 | 4 | ANDERSON ROBERT R | MKSI | Director Stock Option (Right to Buy) | D | 20,07 | -5.000 | 0 | |||||
| 2012-02-07 | 2012-02-06 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 31,9720 | -4.000 | -128 | 21.000 | ||||
| 2012-02-07 | 2012-02-06 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 31,9920 | -5.000 | -160 | 25.000 | ||||
| 2012-02-07 | 2012-02-06 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 15,8400 | 4.000 | 63 | 30.000 | ||||
| 2012-02-07 | 2012-02-06 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 20,0700 | 5.000 | 100 | 26.000 | ||||
| 2012-02-07 | 2012-02-06 | 4 | VALENTE LOUIS P | MKSI | Common Stock | D | 31,7380 | -2.000 | -63 | 12.000 | ||||
| 2012-01-20 | 2011-11-30 | 5 | STEWART WILLIAM D Spouse | MKSI | Common Stock | I | 21,6240 | 189 | 4 | 189 | ||||
| 2010-05-11 | 3 | Loomis Paul | MKSI | Common Stock | D | 1.861 | ||||||||
| 2010-05-11 | 3 | Eyerman Paul | MKSI | Common Stock | D | 100 | ||||||||
| 2010-01-08 | 3 | BAGSHAW SETH H | MKSI | Common Stock | D | 11.482 | ||||||||
| 2009-05-07 | 2009-05-04 | 4 | Beecher Gregory R | MKSI | Common Stock | D | 4.000 | 10.400 | ||||||
| 2009-05-06 | 2009-05-04 | 4 | Amon Cristina | MKSI | Common Stock | D | 4.000 | 11.888 | ||||||
| 2009-05-06 | 2009-05-04 | 4 | ANDERSON ROBERT R | MKSI | Common Stock | D | 4.000 | 28.000 | ||||||
| 2009-05-06 | 2009-05-04 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 4.000 | 4.000 | ||||||
| 2009-05-06 | 2009-05-04 | 4 | CHUTE RICHARD S | MKSI | Common Stock | D | 15,2800 | -4.000 | -61 | 0 | ||||
| 2009-05-06 | 2009-05-04 | 4 | KAHL HANS JOCHEN | MKSI | Common Stock | D | 4.000 | 8.000 | ||||||
| 2009-03-20 | 2009-03-18 | 4 | VALENTE LOUIS P | MKSI | Director Stock Option (Right to Buy) | D | 14,00 | -10.500 | 0 | |||||
| 2009-03-20 | 2009-03-18 | 4 | VALENTE LOUIS P | MKSI | Common Stock | D | 14,3500 | -10.500 | -151 | 4.000 | ||||
| 2009-03-20 | 2009-03-18 | 4 | VALENTE LOUIS P | MKSI | Common Stock | D | 14,0000 | 10.500 | 147 | 14.500 | ||||
| 2009-03-16 | 2009-03-13 | 4 | HANLEY PETER | MKSI | Common Stock | D | 13,5400 | -556 | -8 | 0 | ||||
| 2009-02-18 | 2009-02-13 | 4 | BERLINGHIERI LEO | MKSI | Common Stock | D | 15,8900 | -8.147 | -129 | 46.206 | ||||
| 2009-02-18 | 2009-02-13 | 4 | WEIGNER RONALD | MKSI | Common Stock | D | 15,8900 | -3.476 | -55 | 7.050 | ||||
| 2009-02-18 | 2008-09-17 | 4/A | COLELLA GERARD G | MKSI | Common Stock | D | 20,0600 | -318 | -6 | 14.706 | ||||
| 2009-02-18 | 2008-05-19 | 4/A | STEWART WILLIAM D | MKSI | Common Stock | D | 25,7200 | -3.102 | -80 | 12.000 | ||||
| 2006-07-07 | 2006-07-06 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,7316 | -25.000 | -493 | 5.347.405 | ||||
| 2006-07-07 | 2006-07-05 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,6942 | -25.000 | -492 | 5.372.405 | ||||
| 2006-07-05 | 2006-07-03 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 20,3126 | -25.000 | -508 | 5.397.405 | ||||
| 2006-07-05 | 2006-06-30 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 20,2981 | -25.000 | -507 | 5.422.405 | ||||
| 2006-06-30 | 2006-06-29 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 20,0346 | -25.000 | -501 | 5.447.405 | ||||
| 2006-06-30 | 2006-06-28 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,3720 | -25.000 | -484 | 5.472.405 | ||||
| 2006-06-28 | 2006-06-27 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,6829 | -25.000 | -492 | 5.497.405 | ||||
| 2006-06-28 | 2006-06-26 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,6537 | -25.000 | -491 | 5.522.405 | ||||
| 2006-06-26 | 2006-06-23 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,3773 | -25.000 | -484 | 5.547.405 | ||||
| 2006-06-26 | 2006-06-22 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,1863 | -25.000 | -480 | 5.572.405 | ||||
| 2006-06-22 | 2006-06-21 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,0100 | -17.000 | -323 | 5.597.405 | ||||
| 2006-06-22 | 2006-06-20 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,0300 | -25.000 | -476 | 5.614.405 | ||||
| 2006-06-21 | 2006-06-19 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,2269 | -25.000 | -481 | 5.639.405 | ||||
| 2006-06-19 | 2006-06-16 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,3072 | -72.983 | -1.409 | 5.664.405 | ||||
| 2006-06-19 | 2006-06-15 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,7751 | -39.084 | -773 | 5.737.388 | ||||
| 2006-06-15 | 2006-06-14 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,3008 | -34.620 | -668 | 5.776.472 | ||||
| 2006-06-15 | 2006-06-13 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | -200.000 | 5.811.092 | ||||||
| 2006-06-15 | 2006-06-13 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,5622 | -43.529 | -852 | 6.011.092 | ||||
| 2006-06-13 | 2006-06-12 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 19,7782 | -14.435 | -285 | 6.054.621 | ||||
| 2006-06-13 | 2006-06-09 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 20,4356 | -16.251 | -332 | 6.069.056 | ||||
| 2006-06-09 | 2006-06-08 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 20,3192 | -28.530 | -580 | 6.085.307 | ||||
| 2006-06-09 | 2006-06-07 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 20,7874 | -43.828 | -911 | 6.113.837 | ||||
| 2006-06-07 | 2006-06-06 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 21,0663 | -29.771 | -627 | 6.157.665 | ||||
| 2006-06-07 | 2006-06-05 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 21,0330 | -20.000 | -421 | 6.187.436 | ||||
| 2006-06-05 | 2006-06-02 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 21,6607 | -43.355 | -939 | 6.207.436 | ||||
| 2006-06-05 | 2006-06-01 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,0615 | -66.936 | -1.477 | 6.250.791 | ||||
| 2006-06-01 | 2006-05-31 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 21,4343 | -75.000 | -1.608 | 6.317.727 | ||||
| 2006-06-01 | 2006-05-30 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 20,9235 | -53.623 | -1.122 | 6.392.727 | ||||
| 2006-05-30 | 2006-05-26 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 20,6672 | -42.998 | -889 | 6.446.350 | ||||
| 2006-05-26 | 2006-05-25 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 20,1592 | -37.562 | -757 | 6.489.348 | ||||
| 2006-05-26 | 2006-05-24 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 20,1959 | -24.479 | -494 | 6.526.910 | ||||
| 2006-05-22 | 2006-05-19 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 21,1427 | -825 | -17 | 6.551.389 | ||||
| 2006-05-19 | 2006-05-18 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 21,2970 | -45.357 | -966 | 6.552.214 | ||||
| 2006-05-19 | 2006-05-17 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 21,6620 | -39.720 | -860 | 6.597.571 | ||||
| 2006-05-17 | 2006-05-16 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,0577 | -57.000 | -1.257 | 6.637.291 | ||||
| 2006-05-17 | 2006-05-15 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,1649 | -121.100 | -2.684 | 6.694.291 | ||||
| 2006-05-15 | 2006-05-12 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,9572 | -28.562 | -656 | 6.815.391 | ||||
| 2006-05-15 | 2006-05-11 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,2346 | -33.403 | -776 | 6.843.953 | ||||
| 2006-05-11 | 2006-05-10 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 24,0135 | -34.468 | -828 | 6.877.356 | ||||
| 2006-05-11 | 2006-05-09 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 24,6311 | -46.300 | -1.140 | 6.911.824 | ||||
| 2006-05-09 | 2006-05-08 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 24,4229 | -19.507 | -476 | 6.958.124 | ||||
| 2006-05-09 | 2006-05-05 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 24,4016 | -22.424 | -547 | 6.977.631 | ||||
| 2006-05-05 | 2006-05-04 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 24,5750 | -44.379 | -1.091 | 7.000.055 | ||||
| 2006-05-05 | 2006-05-03 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,8872 | -40.119 | -958 | 7.044.434 | ||||
| 2006-05-03 | 2006-05-02 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,4456 | -56.822 | -1.332 | 7.084.553 | ||||
| 2006-05-03 | 2006-05-01 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,4904 | -45.336 | -1.065 | 7.141.375 | ||||
| 2006-05-01 | 2006-04-28 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,4558 | -5.000 | -117 | 7.186.711 | ||||
| 2006-05-01 | 2006-04-27 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 24,2800 | -15.000 | -364 | 7.191.711 | ||||
| 2006-04-27 | 2006-04-26 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 24,0333 | -15.000 | -360 | 7.206.711 | ||||
| 2006-04-27 | 2006-04-25 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 24,3160 | -15.000 | -365 | 7.221.711 | ||||
| 2006-04-25 | 2006-04-24 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 24,1183 | -15.000 | -362 | 7.236.711 | ||||
| 2006-04-25 | 2006-04-21 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 24,2383 | -15.000 | -364 | 7.251.711 | ||||
| 2006-04-21 | 2006-04-20 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 24,3494 | -15.000 | -365 | 7.266.711 | ||||
| 2006-04-21 | 2006-04-19 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 24,3337 | -15.000 | -365 | 7.281.711 | ||||
| 2006-04-19 | 2006-04-18 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,2776 | -15.000 | -349 | 7.296.711 | ||||
| 2006-04-19 | 2006-04-17 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,8708 | -15.000 | -343 | 7.311.711 | ||||
| 2006-04-17 | 2006-04-13 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,2552 | -15.000 | -349 | 7.326.711 | ||||
| 2006-04-13 | 2006-04-12 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,9536 | -15.000 | -344 | 7.341.711 | ||||
| 2006-04-12 | 2006-04-11 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,7222 | -15.000 | -341 | 7.356.711 | ||||
| 2006-04-12 | 2006-04-10 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,3270 | -15.000 | -335 | 7.371.711 | ||||
| 2006-04-10 | 2006-04-07 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,2170 | -15.000 | -348 | 7.386.711 | ||||
| 2006-04-10 | 2006-04-06 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,4712 | -15.000 | -352 | 7.401.711 | ||||
| 2006-04-06 | 2006-04-05 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,2366 | -15.000 | -349 | 7.416.711 | ||||
| 2006-04-06 | 2006-04-04 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,1912 | -15.000 | -348 | 7.431.711 | ||||
| 2006-04-04 | 2006-04-03 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,5076 | -15.000 | -353 | 7.446.711 | ||||
| 2006-04-04 | 2006-03-31 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,4631 | -15.000 | -352 | 7.461.711 | ||||
| 2006-03-31 | 2006-03-30 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,1556 | -15.000 | -347 | 7.476.711 | ||||
| 2006-03-31 | 2006-03-29 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,2516 | -15.000 | -349 | 7.491.711 | ||||
| 2006-03-29 | 2006-03-28 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,3474 | -15.000 | -350 | 7.506.711 | ||||
| 2006-03-29 | 2006-03-27 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,4291 | -15.000 | -351 | 7.521.711 | ||||
| 2006-03-27 | 2006-03-24 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,2594 | -15.000 | -349 | 7.536.711 | ||||
| 2006-03-27 | 2006-03-23 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,8484 | -15.000 | -343 | 7.551.711 | ||||
| 2006-03-23 | 2006-03-22 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,4759 | -15.000 | -337 | 7.566.711 | ||||
| 2006-03-23 | 2006-03-21 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,7031 | -15.000 | -341 | 7.581.711 | ||||
| 2006-03-21 | 2006-03-20 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,5663 | -15.000 | -338 | 7.596.711 | ||||
| 2006-03-21 | 2006-03-17 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,6531 | -15.000 | -340 | 7.611.711 | ||||
| 2006-03-17 | 2006-03-16 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,8462 | -15.000 | -343 | 7.626.711 | ||||
| 2006-03-17 | 2006-03-15 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 23,0407 | -15.000 | -346 | 7.641.711 | ||||
| 2006-03-15 | 2006-03-14 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | -200.000 | 7.656.711 | ||||||
| 2006-03-15 | 2006-03-14 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,8951 | -15.000 | -343 | 7.856.711 | ||||
| 2006-03-15 | 2006-03-13 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,0823 | -15.000 | -331 | 7.871.711 | ||||
| 2006-03-13 | 2006-03-10 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 21,9982 | -23.246 | -511 | 7.886.711 | ||||
| 2006-03-13 | 2006-03-09 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 21,9149 | -30.332 | -665 | 7.909.957 | ||||
| 2006-03-09 | 2006-03-08 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,1059 | -32.752 | -724 | 7.940.289 | ||||
| 2006-03-09 | 2006-03-07 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,0919 | -29.000 | -641 | 7.973.041 | ||||
| 2006-03-07 | 2006-03-06 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,2673 | -33.000 | -735 | 8.002.041 | ||||
| 2006-03-07 | 2006-03-03 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,5996 | -24.432 | -552 | 8.035.041 | ||||
| 2006-03-03 | 2006-03-02 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,5606 | -63.092 | -1.423 | 8.059.473 | ||||
| 2006-03-03 | 2006-03-01 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,7363 | -66.000 | -1.501 | 8.122.565 | ||||
| 2006-03-01 | 2006-02-28 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,4934 | -36.695 | -825 | 8.188.565 | ||||
| 2006-03-01 | 2006-02-27 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,6115 | -45.193 | -1.022 | 8.225.260 | ||||
| 2006-02-27 | 2006-02-24 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,4924 | -69.283 | -1.558 | 8.270.453 | ||||
| 2006-02-27 | 2006-02-23 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,6713 | -35.000 | -793 | 8.339.736 | ||||
| 2006-02-23 | 2006-02-22 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,7786 | -64.653 | -1.473 | 8.374.736 | ||||
| 2006-02-23 | 2006-02-21 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | 22,9702 | -24.000 | -551 | 8.439.389 | ||||
| 2006-02-23 | 2005-12-12 | 4 | EMERSON ELECTRIC CO Through a subsidiary | MKSI | Common Stock | I | -200.000 | 8.463.389 | ||||||
| 2005-10-24 | 2005-09-19 | 4 | EMERSON ELECTRIC CO Through a subsidiary. | MKSI | Common Stock | I | -300.000 | 8.663.389 | ||||||
| 2004-01-26 | 2004-01-23 | 4 | EMERSON ELECTRIC CO | MKSI | Common Stock | D | 25,0687 | -257.143 | -6.446 | 1.065.182 | ||||
| 2004-01-22 | 2004-01-21 | 4 | EMERSON ELECTRIC CO | MKSI | Common Stock | D | 25,0687 | -1.714.286 | -42.975 | 1.322.325 |
