LASR / nLIGHT, Inc. - SEC-Einreichungen, Jahresbericht, Proxy Statement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT NLIGHT, INC. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT NLIGHT, INC. (Exact name of the registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification Number) 4637 NW 18th Avenue Camas, Washington 98607 (Address of prin

NLIGHT, INC. 2018 EQUITY INCENTIVE PLAN

NLIGHT, INC. 2018 EQUITY INCENTIVE PLAN 1. Purposes of the Plan. The purposes of this Plan are: · to attract and retain the best available personnel for positions of substantial responsibility, · to provide additional incentive to Employees, Directors and Consultants, and · to promote the success of the Company’s business. The Plan permits the grant of Incentive Stock Options, Nonstatutory Stock O

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, I

NLIGHT, INC. OUTSIDE DIRECTOR COMPENSATION POLICY Originally adopted and approved March 27, 2018, as most recently amended and restated April 3, 2026 (the “Restatement Date”)

NLIGHT, INC. OUTSIDE DIRECTOR COMPENSATION POLICY Originally adopted and approved March 27, 2018, as most recently amended and restated April 3, 2026 (the “Restatement Date”) nLIGHT, Inc. (the “Company”) believes that the granting of equity and cash compensation to the members of its Board of Directors (the “Board,” and members of the Board, the “Directors”) represents an effective tool to attract

nLIGHT, Inc. Announces First Quarter 2026 Results Revenues of $80.2 million increased 55% year-over-year Record A&D product revenues of $33.1 million increased 98% year-over-year

Exhibit 99.1 nLIGHT, Inc. Announces First Quarter 2026 Results Revenues of $80.2 million increased 55% year-over-year Record A&D product revenues of $33.1 million increased 98% year-over-year CAMAS, Wash., May 7, 2026 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power lasers for mission critical directed energy, optical sensing, and advanced manufacturing applications, today reported

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2026 NLIGHT, INC. (Exact n

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2026 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commissio

LETTER

April 30, 2026 Joseph Corso Chief Financial Officer nLIGHT, Inc. 4637 NW 18 th Avenue Camas, Washington 98607 Re: nLIGHT, Inc. Form 10-K for the Year Ended December 31, 2025 File No. 001-38462 Dear Joseph Corso: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any revie

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April 28, 2026 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Manufacturing 100 F Street, N.

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, INC. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ý Filed by a party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ý Definitive Proxy State

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ý Filed by a party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ¨ Definitive Proxy State

LETTER

April 20, 2026 Joseph Corso Chief Financial Officer nLIGHT, Inc. 4637 NW 18 th Avenue Camas, Washington 98607 Re: nLIGHT, Inc. Form 10-K for the Year Ended December 31, 2025 Filed February 27, 2026 File No. 001-38462 Dear Joseph Corso: We have limited our review of your filing to the financial statements and related disclosures and have the following comments. Please respond to this letter within

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, INC. (

nLIGHT, Inc. Announces Fourth Quarter and Full Year 2025 Results Revenues of $261.3 million for the full year 2025 increased 32% year-over-year Record revenues of $81.2 million for the fourth quarter of 2025 increased 71% year-over-year

Exhibit 99.1 nLIGHT, Inc. Announces Fourth Quarter and Full Year 2025 Results Revenues of $261.3 million for the full year 2025 increased 32% year-over-year Record revenues of $81.2 million for the fourth quarter of 2025 increased 71% year-over-year CAMAS, Wash., February 26, 2026 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power lasers for mission critical directed energy, optical s

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 26, 2026 NLIGHT, INC. (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 26, 2026 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Com

Security Type

Calculation of Filing Fee Tables S-3 NLIGHT, INC. Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effect

3,977,273 Shares NLIGHT, INC. Common Stock UNDERWRITING AGREEMENT

Exhibit 1.1 3,977,273 Shares NLIGHT, INC. Common Stock UNDERWRITING AGREEMENT February 3, 2026 STIFEL, NICOLAUS & COMPANY, INCORPORATED ROBERT W. BAIRD & CO. INCORPORATED WILLIAM BLAIR & COMPANY, LLC RAYMOND JAMES & ASSOCIATES, INC. As representatives of the several Underwriters named in Schedule I hereto c/o Stifel, Nicolaus & Company, Incorporated 1201 Wills Street, 6th Floor Baltimore, MD 21231

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 3, 2026 NLIGHT, INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 3, 2026 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Comm

3,977,273 Shares Common Stock

Filed Pursuant to Rule 424(b)(5) Registration No. 333-293159 PROSPECTUS SUPPLEMENT (To Prospectus dated February 3, 2026) 3,977,273 Shares Common Stock We are offering 3,977,273 shares of our common stock. Our common stock is listed on the Nasdaq Global Select Market under the symbol “LASR.” On February 3, 2026, the last reported sale price of our common stock on the Nasdaq Global Select Market wa

Security Type

Calculation of Filing Fee Tables S-3 NLIGHT, INC. Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effect

SUBJECT TO COMPLETION, DATED FEBRUARY 3, 2026 PRELIMINARY PROSPECTUS SUPPLEMENT TO PROSPECTUS DATED FEBRUARY 3, 2026 Common Stock

Filed Pursuant to Rule 424(b)(5) Registration No. 333-293159 The information in this preliminary prospectus supplement is not complete and may be changed. A registration statement related to these securities has been filed with the Securities and Exchange Commission and is effective. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities an

NLIGHT, INC. Dated as of , 20 TABLE OF CONTENTS

Exhibit 4.3 NLIGHT, INC. INDENTURE Dated as of , 20 [] Trustee TABLE OF CONTENTS Page ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1 Definitions 1 Section 1.2 Other Definitions 5 Section 1.3 Incorporation by Reference of Trust Indenture Act 5 Section 1.4 Rules of Construction 6 ARTICLE II THE SECURITIES 6 Section 2.1 Issuable in Series 6 Section 2.2 Establishment of Terms of Se

As filed with the Securities and Exchange Commission on February 3, 2026

As filed with the Securities and Exchange Commission on February 3, 2026 Registration No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 13, 2026 NLIGHT, INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 13, 2026 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Comm

nLIGHT Provides Update on Preliminary Fourth Quarter 2025 Financial Results

Exhibit 99.1 nLIGHT Provides Update on Preliminary Fourth Quarter 2025 Financial Results CAMAS, Wash., January 13, 2026 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power lasers for mission critical directed energy, optical sensing, and advanced manufacturing applications, today provided limited preliminary results for the fourth quarter of 2025. The Company expects to report fourth q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 5, 2026 NLIGHT, INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 5, 2026 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commi

nLIGHT, Inc. Appoints Gerald M. Haines to Board of Directors

nLIGHT, Inc. Appoints Gerald M. Haines to Board of Directors CAMAS, Wash., January 6, 2026 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power lasers for mission critical directed energy, optical sensing, and advanced manufacturing applications, today announced the appointment of Gerald (“Gerry”) Haines to its Board of Directors as a Class I director with a term expiring at the Company

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGH

nLIGHT, Inc. Announces Third Quarter 2025 Results Third consecutive quarter of record Aerospace & Defense revenue

Exhibit 99.1 nLIGHT, Inc. Announces Third Quarter 2025 Results Third consecutive quarter of record Aerospace & Defense revenue CAMAS, Wash., November 6, 2025 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power lasers for mission critical directed energy, optical sensing, and advanced manufacturing applications, today reported financial results for the third quarter of 2025. “3Q 2025 re

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2025 NLIGHT, INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2025 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Comm

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144 0001738235 XXXXXXXX LIVE 0001124796 NLIGHT, INC. 001-38462 4637 NW 18TH AVENUE CAMAS WA 98607 360-566-4460 Keeney Scott H Officer Director Common Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917 62507 1902713.08 49899461 09/18/2025 NASDAQ Common 02/03/2021 Stock Option Exercise Issuer N 49574 02/03/2021 Cash Common 08/17/2021 Restricted Stock Vesting Issuer N 12933 08/17/20

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144 0001738235 XXXXXXXX LIVE 0001124796 NLIGHT, INC. 001-38462 4637 NW 18TH AVENUE CAMAS WA 98607 360-566-4460 Keeney Scott H Officer Director Common Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917 15391 448339.83 49899461 09/12/2025 NASDAQ Common 09/01/2025 Restricted Stock Vesting Issuer N 15391 09/01/2025 Compensation N Scott H. Keeney 4637 NW 18th Avenue Camas WA 98607 Com

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144 0001914846 XXXXXXXX LIVE 0001124796 NLIGHT, INC. 001-38462 4637 NW 18TH AVENUE CAMAS WA 98607 360-566-4460 Corso Joseph John Officer Common Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917 3588 106671.24 49899461 09/05/2025 NASDAQ Common 09/01/2025 Restricted Stock Vesting Issuer N 3588 09/01/2025 Compensation N Joseph J. Corso 4637 NW 18th Avenue Camas WA 98607 Common 06/1

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144 0001738235 XXXXXXXX LIVE 0001124796 NLIGHT, INC. 001-38462 4637 NW 18TH AVENUE CAMAS WA 98607 360-566-4460 Keeney Scott H Officer Director Common Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917 9604 279871.12 49899461 09/04/2025 NASDAQ Common 09/02/2025 Restricted Stock Vesting Issuer N 9604 09/02/2025 Compensation N Scott H. Keeney 4637 NW 18th Avenue Camas WA 98607 Commo

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144 0001914846 XXXXXXXX LIVE 0001124796 NLIGHT, INC. 001-38462 4637 NW 18TH AVENUE CAMAS WA 98607 360-566-4460 Corso Joseph John Officer Common Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917 4112 119828.20 49899461 09/04/2025 NASDAQ Common 09/02/2025 Restricted Stock Vesting Issuer N 4112 09/02/2025 Compensation N Joseph J. Corso 4637 NW 18th Avenue Camas WA 98607 Common 06/1

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144 0001914730 XXXXXXXX LIVE 0001124796 NLIGHT, INC. 001-38462 4637 NW 18TH AVENUE CAMAS WA 98607 360-566-4460 Nias James Officer Common Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917 540 15736.20 49899461 09/04/2025 NASDAQ Common 09/02/2025 Restricted Stock Vesting Issuer N 540 09/02/2025 Compensation N James Nias 4637 NW 18th Avenue Camas WA 98607 Common 08/14/2025 1113 297

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144 0001738235 XXXXXXXX LIVE 0001124796 NLIGHT, INC. 001-38462 4637 NW 18TH AVENUE CAMAS WA 98607 360-566-4460 Keeney Scott H Officer Director Common Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917 35730 1058559.76 49899461 08/28/2025 NASDAQ Common 08/19/2025 Restricted Stock Vesting Issuer N 6082 08/19/2025 Compensation Common 08/20/2025 Restricted Stock Vesting Issuer N 2964

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144 0001738235 XXXXXXXX LIVE 0001124796 NLIGHT, INC. 001-38462 4637 NW 18TH AVENUE CAMAS WA 98607 360-566-4460 Keeney Scott H Officer Director Common Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917 35732 1028016.21 49899461 08/27/2025 NASDAQ Common 08/18/2025 Restricted Stock Vesting Issuer N 13348 08/18/2025 Compensation Common 08/19/2025 Restricted Stock Vesting Issuer N 223

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 13, 2025 NLIGHT, INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 13, 2025 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commi

NLIGHT, INC. EXECUTIVE EMPLOYMENT AGREEMENT

Exhibit 10.2 NLIGHT, INC. EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (the “Agreement”) is entered into as of the Effective Date (as defined below) by and between nLIGHT, Inc. (the “Company”), and Scott Keeney (“Executive”). 1.Duties and Scope of Employment. (a)Positions and Duties. As of the Effective Date, Executive will continue to serve as the Company’s Chief Executive O

NLIGHT, INC. 2018 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT

Exhibit 10.1 NLIGHT, INC. 2018 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT (PERFORMANCE-BASED) Unless otherwise defined herein, the terms defined in the nLIGHT, Inc. 2018 Equity Incentive Plan (the “Plan”) will have the same defined meanings in this Restricted Stock Unit Agreement (performance-based) (“PRSU Agreement”), which includes the Notice of Restricted Stock Unit Grant (the “Notic

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, IN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 7, 2025 NLIGHT, INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 7, 2025 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commis

nLIGHT, Inc. Announces Second Quarter 2025 Results Record Aerospace & Defense revenue drives second quarter upside

Exhibit 99.1 nLIGHT, Inc. Announces Second Quarter 2025 Results Record Aerospace & Defense revenue drives second quarter upside CAMAS, Wash., August 7, 2025 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power lasers for mission critical directed energy, optical sensing, and advanced manufacturing applications, today reported financial results for the second quarter of 2025 that exceede

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 10, 2025 NLIGHT, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 10, 2025 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commiss

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 10, 2025 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commiss

nLIGHT, Inc. Appoints Mark Hartman to Board of Directors

nLIGHT, Inc. Appoints Mark Hartman to Board of Directors CAMAS, Wash., June 13, 2025 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power lasers for mission critical directed energy, optical sensing, and advanced manufacturing applications, today announced the appointment of Mark Hartman to its Board of Directors as a Class III director with a term expiring at the Company’s 2027 annual

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT NLIGHT, INC. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT NLIGHT, INC. (Exact name of the registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification Number) 4637 NW 18 Avenue Camas, Washington 98607 (Address of princi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT NLIGHT, INC. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT NLIGHT, INC. (Exact name of the registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification Number) 4637 NW 18 Avenue Camas, Washington 98607 (Address of princi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT NLIGHT, INC. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT NLIGHT, INC. (Exact name of the registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification Number) 4637 NW 18 Avenue Camas, Washington 98607 (Address of princi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, I

nLIGHT, Inc. Announces First Quarter 2025 Results Record A&D revenue drives first quarter upside

Exhibit 99.1 nLIGHT, Inc. Announces First Quarter 2025 Results Record A&D revenue drives first quarter upside CAMAS, Wash., May 8, 2025 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power lasers for critical directed energy, optical sensing, and advanced manufacturing applications, today reported financial results for the first quarter of 2025. “I am pleased with the strong start to th

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2025 NLIGHT, INC. (Exact n

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2025 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commissio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ý Filed by a party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ¨ Definitive Proxy State

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, INC. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ý Filed by a party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ý Definitive Proxy State

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ý Filed by a party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ¨ Definitive Proxy State

List of Subsidiaries of Registrant

Exhibit 21.1 Subsidiaries of Registrant Name of Subsidiary Jurisdiction of Incorporation nLIGHT Oy Finland nLIGHT Cayman Ltd. Cayman Islands, B.W.I. nLIGHT Laser Technology (Shanghai) Co., Ltd.* People’s Republic of China nLIGHT Korea, Inc. South Korea nLIGHT DEFENSE Systems, Inc. State of Nevada, United States nLIGHT Europe S.r.l. Italy nLIGHT GmbH Austria *nLIGHT Laser Technology (Shanghai) Co.,

Insider Trading Policy

Exhibit 19.1 NLIGHT, INC. INSIDER TRADING POLICY (Adopted on December 1, 2024) A.POLICY OVERVIEW nLIGHT, Inc. (together with any subsidiaries, collectively the “Company”) has adopted this Insider Trading Policy (the “Policy”) to help you comply with the federal and state securities laws and regulations that govern trading in securities and to help the Company minimize its own legal and reputationa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, INC. (

nLIGHT, Inc. Announces Fourth Quarter and Full Year 2024 Results Revenues of $198.5 million for the full year 2024 Revenues of $47.4 million for the fourth quarter of 2024

Exhibit 99.1 nLIGHT, Inc. Announces Fourth Quarter and Full Year 2024 Results Revenues of $198.5 million for the full year 2024 Revenues of $47.4 million for the fourth quarter of 2024 CAMAS, Wash., February 27, 2025 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the aerospace and defense, industrial, and microfabrication markets, today repor

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 27, 2025 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Com

JOINT FILING AGREEMENT

Exhibit A JOINT FILING AGREEMENT The undersigned agree that this Schedule 13G dated February 14, 2025 relating to the Common Stock, par value $0.

CONTROL PERSON IDENTIFICATION

Exhibit B CONTROL PERSON IDENTIFICATION Needham Investment Management L.L.C. is the relevant entity for which Needham Asset Management, LLC, George A. Needham may be considered control persons.

nLIGHT Provides Update on Preliminary Fourth Quarter 2024 Financial Results

Exhibit 99.1 nLIGHT Provides Update on Preliminary Fourth Quarter 2024 Financial Results CAMAS, Wash., January 14, 2025 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the aerospace and defense, industrial, and microfabrication markets, today provided limited preliminary results for the fourth quarter of 2024. The Company expects to report fou

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 14, 2025 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Comm

JOINT ACQUISITION STATEMENT PURSUANT TO RULE 13d-1(k)

EXHIBIT 99.1 JOINT ACQUISITION STATEMENT PURSUANT TO RULE 13d-1(k) The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements. The unders

LASR / nLIGHT, Inc. / VANGUARD GROUP INC Passive Investment

240.13d-102 Schedule 13G - Information to be included in statements filed pursuant to 240.13d-1(b), (c), and (d) and amendments thereto filed pursuant to 240.13d-2. Securities and Exchange Commission, Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. 7)* (Name of Issuer) nLight Inc (Title of Class of Securities) Common Stock (CUSIP Number) 65487K100 (Date

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGH

nLIGHT, Inc. Announces Third Quarter 2024 Results Revenues of $56.1 million for the third quarter of 2024

Exhibit 99.1 nLIGHT, Inc. Announces Third Quarter 2024 Results Revenues of $56.1 million for the third quarter of 2024 CAMAS, Wash., November 7, 2024 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the third quarter of 2024. "Driven by rec

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2024 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Comm

LASR / nLIGHT, Inc. / VANGUARD GROUP INC Passive Investment

SC 13G/A 1 UnitedStates13GnLightIncU.txt 240.13d-102 Schedule 13G - Information to be included in statements filed pursuant to 240.13d-1(b), (c), and (d) and amendments thereto filed pursuant to 240.13d-2. Securities and Exchange Commission, Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. 6)* (Name of Issuer) nLight Inc (Title of Class of Securities) Co

LASR / nLIGHT, Inc. / ROYCE & ASSOCIATES LP Passive Investment

SC 13G 1 lasr.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information statement pursuant to Rules 13d-1 and 13d-2 Under the Securities Exchange Act of 1934 (Amendment No.) nLIGHT, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 65487K100 (CUSIP Number) Date of Event Which Requires Filing of this Statement: September 30, 2024 *The rema

Amendment No. 5 to Second Amended and Restated Loan and Security Agreement, effective as of September 24, 2024, by and between nLIGHT, Inc. and Banc of California (f/k/a Pacific Western Bank)

Fifth Amendment to Second Amended and Restated Loan and Security Agreement Borrower: nLIGHT, Inc.

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 25, 2024 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Co

LASR / nLIGHT, Inc. / JPMORGAN CHASE & CO - FILING NLIGHT, INC. Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 05)* NLIGHT, INC. (Name of Issuer) Common stock, par value $0.0001 per share (Title of Class of Securities) 65487K100 (CUSIP Number) August 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate t

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, IN

Letter, dated April 8, 2024, by and between nLIGHT DEFENSE Systems, Inc. and Camille Nichols

nLIGHT DEFENSE Systems, Inc. Proprietary & Confidential Initial Here Page 1 of 3 4/8/2024 Camille Nichols Dear Camille, nLIGHT DEFENSE Systems, Inc. (“nLIGHT-DS”) is pleased to invite you to join our team as a full-time exempt employee with a Minimum Number of Working Hours, as defined in our employee manual, of 40 hours, under the following initial terms of employment: Position: Interim President

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 1, 2024 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commis

nLIGHT, Inc. Announces Second Quarter 2024 Results Revenues of $50.5 million for the second quarter of 2024

Exhibit 99.1 nLIGHT, Inc. Announces Second Quarter 2024 Results Revenues of $50.5 million for the second quarter of 2024 CAMAS, Wash., August 1, 2024 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the second quarter of 2024. “Second quart

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 6, 2024 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commissi

LASR / nLIGHT, Inc. / Bank of New York Mellon Corp Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.1)* NAME OF ISSUER: nLIGHT, Inc TITLE OF CLASS OF SECURITIES: Common Stock CUSIP NUMBER: 65487K100 DATE OF EVENT WHICH REQUIRES FILING OF THIS STATEMENT: May 31, 2024 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [X

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, I

nLIGHT, Inc. Announces First Quarter 2024 Results Revenues of $44.5 million for the first quarter of 2024

Exhibit 99.1 nLIGHT, Inc. Announces First Quarter 2024 Results Revenues of $44.5 million for the first quarter of 2024 CAMAS, Wash., May 2, 2024 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the first quarter of 2024. “With total revenue

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 2, 2024 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commissio

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2023 Annual Report Form 10KTo Our Stockholders, We founded nLIGHT over twenty years ago with the vision that lasers would improve at an exponential rate and open new markets as lasers displaced legacy technologies.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ý Filed by a party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ý Definitive Proxy State

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ý Filed by a party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ¨ Definitive Proxy State

As filed with the Securities and Exchange Commission on February 26, 2024 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT Under The Securities Act of 1933 NLIGHT, INC. (Exa

As filed with the Securities and Exchange Commission on February 26, 2024 Registration No.

List of Subsidiaries of Registrant

Exhibit 21.1 Subsidiaries of Registrant Name of Subsidiary Jurisdiction of Incorporation nLIGHT Oy Finland nLIGHT Cayman Ltd. Cayman Islands, B.W.I. nLIGHT Laser Technology (Shanghai) Co., Ltd.* People’s Republic of China nLIGHT Korea, Inc. South Korea nLIGHT DEFENSE Systems, Inc. State of Nevada, United States nLIGHT Europe S.r.l. Italy nLIGHT GmbH Austria *nLIGHT Laser Technology (Shanghai) Co.,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, INC. (

Filing Fee Tables

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) nLIGHT, Inc. (Exact name of registrant as specified in its charter) Table 1 – Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock, $0.0001 par value pe

nLIGHT Inc. Compensation Recovery Policy

Exhibit 97.1 NLIGHT, INC. COMPENSATION RECOVERY POLICY As adopted on November 30, 2023 nLIGHT, Inc. (the “Company”) is committed to strong corporate governance. As part of this commitment, the Compensation Committee (the “Committee”) of the Company’s Board of Directors (the “Board”) has adopted this clawback policy called the Compensation Recovery Policy (the “Policy”). The Policy is intended to f

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2024 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Com

nLIGHT, Inc. Announces Fourth Quarter and Full Year 2023 Results Revenues of $209.9 million for the full year 2023 Revenues of $51.9 million for the fourth quarter of 2023

Exhibit 99.1 nLIGHT, Inc. Announces Fourth Quarter and Full Year 2023 Results Revenues of $209.9 million for the full year 2023 Revenues of $51.9 million for the fourth quarter of 2023 CAMAS, Wash., February 22, 2024 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today repor

LASR / nLIGHT, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01555-nlightinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 5)* Name of issuer: nLight Inc Title of Class of Securities: Common Stock CUSIP Number: 65487K100 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule purs

LASR / nLIGHT, Inc. / BlackRock Inc. Passive Investment

us65487k1007012624.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 4) NLIGHT INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 65487K100 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which t

LASR / nLIGHT, Inc. / Bank of New York Mellon Corp Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* NAME OF ISSUER: nLIGHT, Inc TITLE OF CLASS OF SECURITIES: Common Stock CUSIP NUMBER: 65487K100 DATE OF EVENT WHICH REQUIRES FILING OF THIS STATEMENT: December 31, 2023 Check the appropriate box to designate the rule pursuant to which this Schedule is file

LASR / nLIGHT, Inc. / JPMORGAN CHASE & CO - FILING NLIGHT, INC. Passive Investment

SC 13G/A 1 NLIGHTINC.htm FILING NLIGHT, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 04)* NLIGHT, INC. (Name of Issuer) Common stock, par value $0.0001 per share (Title of Class of Securities) 65487K100 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGH

nLIGHT, Inc. Announces Third Quarter 2023 Results Revenues of $50.6 million for the third quarter of 2023

Exhibit 99.1 nLIGHT, Inc. Announces Third Quarter 2023 Results Revenues of $50.6 million for the third quarter of 2023 Camas, Wash., November 2, 2023 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the third quarter of 2023. “We generated

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 2, 2023 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Comm

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, IN

nLIGHT, Inc. Announces Second Quarter 2023 Results Revenues of $53.3 million and products gross margin of 29% for the second quarter of 2023

Exhibit 99.1 nLIGHT, Inc. Announces Second Quarter 2023 Results Revenues of $53.3 million and products gross margin of 29% for the second quarter of 2023 Camas, Wash., August 3, 2023 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the seco

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 3, 2023 NLIGHT, INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 3, 2023 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commis

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 8, 2023 NLIGHT, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 8, 2023 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commissi

LASR / nLIGHT Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 4)* Name of issuer: nLight Inc. Title of Class of Securities: Common Stock CUSIP Number: 65487K100 Date of Event Which Requires Filing of this Statement: May 31, 2023 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13d-1(b

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, I

Amended and Restated Bylaws of the Registrant

Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF NLIGHT, INC. (As amended and restated on December 15, 2022) TABLE OF CONTENTS Page ARTICLE I - CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II - MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 ADVANCE NOTICE PROCEDURES 2 2.5 NOTICE OF STOCKHOLDERS’ MEETINGS 9 2.6 QUORUM 9 2.7 ADJ

nLIGHT, Inc. Announces First Quarter 2023 Results Revenues of $54.1 million and products gross margin of 33% for the first quarter of 2023

Exhibit 99.1 nLIGHT, Inc. Announces First Quarter 2023 Results Revenues of $54.1 million and products gross margin of 33% for the first quarter of 2023 Camas, Wash., May 4, 2023 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the first qua

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 NLIGHT, INC. (Exact n

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commissio

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nlightincannualreport

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ý Filed by a party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ¨ Definitive Proxy State

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ý Filed by a party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ý Definitive Proxy State

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, INC. (

Filing Fee Tables

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) nLIGHT, Inc. (Exact name of registrant as specified in its charter) Table 1 – Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock, $0.0001 par value pe

As filed with the Securities and Exchange Commission on February 27, 2023 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT Under The Securities Act of 1933 NLIGHT, INC. (Exa

As filed with the Securities and Exchange Commission on February 27, 2023 Registration No.

Description of the Registrant's Securities

Exhibit 4.3 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 nLIGHT, Inc. has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common stock, par value $0.0001 per share. The general terms and provisions of our common stock are summarized below. This summary does not purport

nLIGHT, Inc. Announces Fourth Quarter and Full Year 2022 Results Revenues of $242.1 million for the full year 2022 Revenues of $56.7 million for the fourth quarter of 2022

Exhibit 99.1 nLIGHT, Inc. Announces Fourth Quarter and Full Year 2022 Results Revenues of $242.1 million for the full year 2022 Revenues of $56.7 million for the fourth quarter of 2022 CAMAS, Wash., February 23, 2023 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today repor

EX-99.2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 23, 2023 NLIGHT, INC. (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 23, 2023 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Com

EX-99.2

ex992q4

LASR / Nlight Inc / WASATCH ADVISORS INC Passive Investment

SC 13G/A 1 lasr223.txt SCHEDULE 13G Amendment No. 4 Name of Issuer: nLight, Inc. Title of Class of Securities: Common Stock CUSIP Number: 65487K100 Item 1: Reporting Person: Wasatch Advisors LP 87-0319391 Item 2: Check Box If Member of Group: Not Applicable Item 3: SEC Use Item 4: Place of Organization: Utah Items 5-8: Number of Shares Owned With: Item 5: Sole Voting Power: 1,076,713 Item 6: Share

LASR / Nlight Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01524-nlightinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 3)* Name of issuer: nLight Inc. Title of Class of Securities: Common Stock CUSIP Number: 65487K100 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pur

LASR / Nlight Inc / BlackRock Inc. Passive Investment

SC 13G/A 1 us65487k1007013123.txt us65487k1007013123.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 3) NLIGHT INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 65487K100 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desi

LASR / Nlight Inc / JPMORGAN CHASE & CO - FILING NLIGHT, INC. Passive Investment

SC 13G/A 1 NLIGHTINC.htm FILING NLIGHT, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 03)* NLIGHT, INC. (Name of Issuer) Common stock, par value $0.0001 per share (Title of Class of Securities) 65487K100 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 15, 2022 NLIGHT, INC. (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 15, 2022 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Com

AMENDED AND RESTATED BYLAWS OF NLIGHT, INC. (As amended and restated on December 15, 2022) TABLE OF CONTENTS

Exhibit 3.1 AMENDED AND RESTATED BYLAWS OF NLIGHT, INC. (As amended and restated on December 15, 2022) TABLE OF CONTENTS Page ARTICLE I - CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II - MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 ADVANCE NOTICE PROCEDURES 2 2.5 NOTICE OF STOCKHOLDERS’ MEETINGS 9 2.6 QUORUM 10 2.7 AD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGH

nLIGHT, Inc. Announces Third Quarter 2022 Results Revenues of $60.1 million and gross margin of 22.4% for the third quarter of 2022

Exhibit 99.1 nLIGHT, Inc. Announces Third Quarter 2022 Results Revenues of $60.1 million and gross margin of 22.4% for the third quarter of 2022 CAMAS, Wash., November 3, 2022 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the third quart

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q3 2022 November 3, 2022 EXHIBIT 99.2 2 Ce

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q3 2022 November 3, 2022 EXHIBIT 99.2 2 Certain statements in this release are ?forward-looking statements? within the meaning of Section 27A of the Securities Act of 1933, as amended, Section

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 3, 2022 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Comm

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, IN

nLIGHT, Inc. Announces Second Quarter 2022 Results Revenues of $60.8 million and gross margin of 25.3% for the second quarter of 2022

Exhibit 99.1 nLIGHT, Inc. Announces Second Quarter 2022 Results Revenues of $60.8 million and gross margin of 25.3% for the second quarter of 2022 CAMAS, Wash., August 4, 2022 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the second quar

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q2 2022 August 4, 2022 2 Certain statement

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q2 2022 August 4, 2022 2 Certain statements in this release are ?forward-looking statements? within the meaning of Section 27A of the Securities Act of 1933, as amended, Section 21E of the Sec

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 4, 2022 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commis

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 4, 2022 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commissi

2018 Equity Incentive Plan—Form of Restricted Stock Unit Agreement (Performance-Based)

- 1 - NLIGHT, INC. 2018 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT (PERFORMANCE-BASED) Unless otherwise defined herein, the terms defined in the nLIGHT, Inc. 2018 Equity Incentive Plan (the ?Plan?) will have the same defined meanings in this Restricted Stock Unit Agreement (performance-based) (?PRSU Agreement?), which includes the Notice of Restricted Stock Unit Grant (the ?Notice of Gr

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 9, 2022 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commissi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT NLIGHT, INC. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT NLIGHT, INC. (Exact name of the registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification Number) 4637 NW 18th Avenue Camas, Washington 98607 (Address of principal executive

nLIGHT, Inc. Conflict Minerals Report For the Year Ended December 31, 2021

EX-1.01 2 exh101-2021cmreport.htm EX-1.01 EXHIBIT 1.01 nLIGHT, Inc. Conflict Minerals Report For the Year Ended December 31, 2021 Introduction and Summary This report for the year ended December 31, 2021, is presented to comply with Rule 13p-1 under the Securities Exchange Act of 1934 (the “Rule”). The Rule was adopted by the Securities and Exchange Commission (“SEC”) to implement reporting and di

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, I

nLIGHT, Inc. Announces First Quarter 2022 Results Revenues of $64.5 million and gross margin of 25.1% for the first quarter of 2022

Exhibit 99.1 nLIGHT, Inc. Announces First Quarter 2022 Results Revenues of $64.5 million and gross margin of 25.1% for the first quarter of 2022 Camas, Wash., May 5, 2022 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the first quarter of

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q1 2022 May 5, 2022 2 Certain statements i

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q1 2022 May 5, 2022 2 Certain statements in this release are “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, Section 21E of the Securi

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2022 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commissio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ý Filed by a party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ý Definitive Proxy State

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ¨ Definitive Proxy State

LASR / Nlight Inc / WASATCH ADVISORS INC Passive Investment

SCHEDULE 13G Amendment No. 3 Name of Issuer: nLight Inc. Title of Class of Securities: Common Stock CUSIP Number: 65487K100 Item 1: Reporting Person: Wasatch Advisors, Inc. 87-0319391 Item 2: Check Box If Member of Group: Not Applicable Item 3: SEC Use Item 4: Place of Organization: Utah Items 5-8: Number of Shares Owned With: Item 5: Sole Voting Power: 2,578,121 Item 6: Shared Voting Power: 0 Ite

Employment Agreement, dated August 31, 2020, by and between the registrant and Joseph Corso

NLIGHT, INC. EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (the ?Agreement?) is entered into as of August 31, 2020 (the ?Effective Date?) by and between nLIGHT, Inc. (the ?Company?), and Joseph Corso (?Executive?). 1. Duties and Scope of Employment. (a) Positions and Duties. As of the Effective Date, Executive will serve as the Company?s Vice President of Corporate Development

As filed with the Securities and Exchange Commission on February 28, 2022 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT Under The Securities Act of 1933 NLIGHT, INC. (Exa

As filed with the Securities and Exchange Commission on February 28, 2022 Registration No.

Transition Agreement and Release, dated January 18, 2022, by and between the registrant and Ran Bareket

Fourth Amendment to Second Amended and Restated Loan and Security Agreement, dated December 6, 2021, by and between nLIGHT, Inc. and Pacific Western Bank

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, INC. (

Filing Fee Tables

EX-FILING FEES 2 exh107filingfeetables.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) nLIGHT, Inc. (Exact name of registrant as specified in its charter) Table 1 – Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2022 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Com

nLIGHT, Inc. Announces Fourth Quarter and Full Year 2021 Results Revenues of $270.1 million and gross margin of 28.6% for the full year 2021 Revenues of $67.5 million and gross margin of 26.6% for the fourth quarter of 2021

Exhibit 99.1 nLIGHT, Inc. Announces Fourth Quarter and Full Year 2021 Results Revenues of $270.1 million and gross margin of 28.6% for the full year 2021 Revenues of $67.5 million and gross margin of 26.6% for the fourth quarter of 2021 CAMAS, Wash., February 17, 2022 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrica

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q4 2021 February 17, 2022 2 Certain statem

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q4 2021 February 17, 2022 2 Certain statements in this presentation are ?forward-looking statements? within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21

LASR / Nlight Inc / WASATCH ADVISORS INC Passive Investment

SC 13G/A 1 lasr222.txt SCHEDULE 13G Amendment No. 2 Name of Issuer: nLight Inc. Title of Class of Securities: Common Stock CUSIP Number: 65487K100 Item 1: Reporting Person: Wasatch Advisors, Inc. 87-0319391 Item 2: Check Box If Member of Group: Not Applicable Item 3: SEC Use Item 4: Place of Organization: Utah Items 5-8: Number of Shares Owned With: Item 5: Sole Voting Power: 5,591,689 Item 6: Sha

LASR / Nlight Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01527-nlightinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 2)* Name of issuer: nLight Inc. Title of Class of Securities: Common Stock CUSIP Number: 65487K100 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pur

LASR / Nlight Inc / BlackRock Inc. Passive Investment

us65487k1007020222.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 2) NLIGHT INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 65487K100 - (CUSIP Number) December 31, 2021 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which t

nLIGHT Announces Retirement of CFO Ran Bareket; Joseph Corso Appointed Successor as of March 1

Exhibit 99.1 nLIGHT Announces Retirement of CFO Ran Bareket; Joseph Corso Appointed Successor as of March 1 CAMAS, Wash., January 19, 2022 - nLIGHT, Inc. (Nasdaq: LASR), a global leader in semiconductor and fiber lasers, today announced that Ran Bareket, Chief Financial Officer, plans to retire from nLIGHT. Mr. Bareket will step down as CFO on March 1, 2022, following the filing of nLIGHT?s Annual

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 18, 2022 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Comm

LASR / Nlight Inc / JPMORGAN CHASE & CO - FILING NLIGHT, INC. Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 02)* NLIGHT, INC. (Name of Issuer) Common stock, par value $0.0001 per share (Title of Class of Securities) 65487K100 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGH

Second Amendment to Second Amended and Restated Loan and Security Agreement, dated May 27, 2021, by and between nLIGHT, Inc. and Pacific Western Bank

nLIGHT, Inc. Announces Third Quarter 2021 Results Revenues of $72.2 million and gross margin of 29.6% for the third quarter of 2021

Exhibit 99.1 nLIGHT, Inc. Announces Third Quarter 2021 Results Revenues of $72.2 million and gross margin of 29.6% for the third quarter of 2021 CAMAS, Wash., November 4, 2021 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the third quart

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q3 2021 November 4, 2021 2 Certain stateme

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q3 2021 November 4, 2021 2 Certain statements in this presentation are ?forward-looking statements? within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 4, 2021 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Comm

Third Amendment to Second Amended and Restated Loan and Security Agreement, dated September 24, 2021, by and between nLIGHT, Inc. and Pacific Western Bank

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 24, 2021 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Co

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, IN

nLIGHT, Inc. Announces Second Quarter 2021 Results Revenues of $69.1 million and gross margin of 29.4% for the second quarter of 2021

Exhibit 99.1 nLIGHT, Inc. Announces Second Quarter 2021 Results Revenues of $69.1 million and gross margin of 29.4% for the second quarter of 2021 CAMAS, Wash., August 5, 2021 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the second quar

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 5, 2021 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commis

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q2 2021 August 5, 2021 2 Certain statement

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q2 2021 August 5, 2021 2 Certain statements in this presentation are ?forward-looking statements? within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E o

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 8, 2021 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commissi

Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 10, 2021 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commiss

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT NLIGHT, INC. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT NLIGHT, INC. (Exact name of the registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification Number) 5408 NE 88th Street, Building E Vancouver, Washington 98665

nLIGHT, Inc. Conflict Minerals Report For the Year Ended December 31, 2020

EX-1.01 2 exh101-2020cmreport.htm EX-1.01 EXHIBIT 1.01 nLIGHT, Inc. Conflict Minerals Report For the Year Ended December 31, 2020 Introduction and Summary This report for the year ended December 31, 2020 is presented to comply with Rule 13p-1 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). The Rule was adopted by the Securities and Exchange Commission (“SEC”) to impleme

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, I

nLIGHT, Inc. Announces First Quarter 2021 Results Revenues of $61.3 million and gross margin of 28.8% for the first quarter of 2021

Exhibit 99.1 nLIGHT, Inc. Announces First Quarter 2021 Results Revenues of $61.3 million and gross margin of 28.8% for the first quarter of 2021 VANCOUVER, Wash., May 6, 2021 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the first quarte

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q1 2021 May 6, 2021 2 Certain statements i

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q1 2021 May 6, 2021 2 Certain statements in this presentation are ?forward-looking statements? within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of t

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 6, 2021 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commissio

- DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a?6(e)(2)) ? Definitive Proxy State

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a?6(e)(2)) ? Definitive Proxy State

2,205,883 Shares Common Stock

Filed Pursuant to Rule 424(b)(5) Registration No. 333-253829 PROSPECTUS SUPPLEMENT (To Prospectus dated March 3, 2021) 2,205,883 Shares Common Stock We are offering 2,205,883 shares of our common stock. Our common stock is listed on the Nasdaq Global Select Market under the symbol ?LASR.? On March 3, 2021, the last reported sale price of our common stock on the Nasdaq Global Select Market was $36.

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 3, 2021 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commiss

2,205,883 Shares NLIGHT, INC. Common Stock UNDERWRITING AGREEMENT

Exhibit 1.1 2,205,883 Shares NLIGHT, INC. Common Stock UNDERWRITING AGREEMENT March 3, 2021 STIFEL, NICOLAUS & COMPANY, INCORPORATED RAYMOND JAMES & ASSOCIATES, INC. As representatives of the several Underwriters named in Schedule I hereto c/o Stifel, Nicolaus & Company, Incorporated One Montgomery Street, Suite 3700 San Francisco, CA 94104 Raymond James & Associates, Inc. One Embarcadero Center,

Form of Indenture

Exhibit 4.3 NLIGHT, INC. INDENTURE Dated as of , 20 [] Trustee TABLE OF CONTENTS Page ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1 Definitions 1 Section 1.2 Other Definitions 5 Section 1.3 Incorporation by Reference of Trust Indenture Act 5 Section 1.4 Rules of Construction 5 ARTICLE II THE SECURITIES 6 Section 2.1 Issuable in Series 6 Section 2.2 Establishment of Terms of Se

- S-3ASR

As filed with the Securities and Exchange Commission on March 3, 2021 Registration No.

SUBJECT TO COMPLETION, DATED MARCH 3, 2021 PRELIMINARY PROSPECTUS SUPPLEMENT TO PROSPECTUS DATED MARCH 3, 2021 Common Stock

Filed Pursuant to Rule 424(b)(5) Registration No. 333-253829 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities and are not soliciting an offer to buy these securities in any jurisdiction where the offer or sale

- S-8

As filed with the Securities and Exchange Commission on February 26, 2021 Registration No.

List of Subsidiaries of Registrant

Exhibit 21.1 Subsidiaries of Registrant Name of Subsidiary Jurisdiction of Incorporation nLIGHT Oy Finland nLIGHT Cayman Ltd. Cayman Islands, B.W.I. nLIGHT Laser Technology (Shanghai) Co., Ltd.* People?s Republic of China nLIGHT Korea, Inc. South Korea Nutronics, Inc. State of Nevada, United States OPI Photonics S.r.l. Italy *nLIGHT Laser Technology (Shanghai) Co., Ltd. is a wholly-owned subsidiar

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, INC. (

nLIGHT, Inc. Announces Fourth Quarter and Full Year 2020 Results Revenues of $222.8 million and gross margin of 26.6% for the full year 2020 Revenues of $65.7 million and gross margin of 29.9% for the fourth quarter of 2020

Exhibit 99.1 nLIGHT, Inc. Announces Fourth Quarter and Full Year 2020 Results Revenues of $222.8 million and gross margin of 26.6% for the full year 2020 Revenues of $65.7 million and gross margin of 29.9% for the fourth quarter of 2020 VANCOUVER, Wash., February 17, 2021 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfab

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q4 2020 February 17, 2021 2 Certain statem

This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Earnings Presentation Q4 2020 February 17, 2021 2 Certain statements in this presentation are ?forward-looking statements? within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2021 NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Com

SC 13G/A

SCHEDULE 13G Amendment No. 1 Name of Issuer: nLight Inc. Title of Class of Securities: Common Stock CUSIP Number: 65487K100 Item 1: Reporting Person: Wasatch Advisors, Inc. 87-0319391 Item 2: Check Box If Member of Group: Not Applicable Item 3: SEC Use Item 4: Place of Organization: Utah Items 5-8: Number of Shares Owned With: Item 5: Sole Voting Power: 3,959,461 Item 6: Shared Voting Power: 0 Ite

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* NLIGHT, INC. (Name of Issuer) Common Stock (Title of Class of Securities) 65487K100 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule

CUSIP NO. 65487K100 13G Page 1 of 7

nlig20a2.htm - Generated by SEC Publisher for SEC Filing CUSIP NO. 65487K100 13G Page 1 of 7 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* NLIGHT, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 65487K100 (CUSIP Number) December 31, 2020 (Date of Event

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2)* NLIGHT, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) (CUSIP Number) December 31, 2020 (Date of Even

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)* Name of issuer: nLight Inc. Title of Class of Securities: Common Stock CUSIP Number: 65487K100 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13

SC 13G/A

us65487k1007012921.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 1) NLIGHT, INC. - (Name of Issuer) Common Stock - (Title of Class of Securities) 65487K100 - (CUSIP Number) December 31, 2020 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 01)* NLIGHT, INC. (Name of Issuer) Common stock, par value $0.0001 per share (Title of Class of Securities)

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 01)* NLIGHT, INC. (Name of Issuer) Common stock, par value $0.0001 per share (Title of Class of Securities) 65487K100 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2021 (November 5, 2020) NLIGHT, INC. (Exact name of registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction

Fourth Amendment to Lease, by and between nLIGHT, Inc. and Dutton Aspen LLC, effective June 2, 2020

duttonaspen-nlightfourth EXHIBIT 10.2

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGH

Fourth Amendment to Lease, by and between Nutronics, Inc. and GCC Longmont Holdings, Limited Partnership, dated November 3, 2020

gccnutronicsfourthamendm DocuSign Envelope ID: 52C2FA99-DC5E-428D-9D35-D6F15C18546B EXHIBIT 10.

EXHIBIT 99.2 Earnings Presentation Q3 2020 November 5, 2020 This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Safe

nlightq3earningscallpres EXHIBIT 99.2 Earnings Presentation Q3 2020 November 5, 2020 This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Safe Harbor Statement Certain statements in this presentation are “forward-looking statements” within the meaning of Section 27A

nLIGHT, Inc. Appoints Camille Nichols to Board of Directors

Exhibit 99.3 nLIGHT, Inc. Appoints Camille Nichols to Board of Directors VANCOUVER, Wash., November 5, 2020 - nLIGHT, Inc. (Nasdaq: LASR) today announced the appointment of retired Army Major General Camille Nichols to its Board of Directors, with a term expiring at the company’s 2022 annual meeting of stockholders. “Camille is a proven leader and brings a unique and important perspective to our B

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 5, 2020 NLIGHT, INC. (Exact name of Registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Comm

nLIGHT, Inc. Announces Third Quarter 2020 Results Revenues of $61.7 million and gross margin of 27.8% for the third quarter of 2020

Exhibit 99.1 nLIGHT, Inc. Announces Third Quarter 2020 Results Revenues of $61.7 million and gross margin of 27.8% for the third quarter of 2020 VANCOUVER, Wash., November 5, 2020 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the third q

LASR / NLIGHT, INC. / WASATCH ADVISORS INC Passive Investment

SCHEDULE 13G Amendment No. Name of Issuer: nLight Inc. Title of Class of Securities: Common Stock CUSIP Number: 65487K100 Item 1: Reporting Person: Wasatch Advisors, Inc. 87-0319391 Item 2: Check Box If Member of Group: Not Applicable Item 3: SEC Use Item 4: Place of Organization: Utah Items 5-8: Number of Shares Owned With: Item 5: Sole Voting Power: 3,894,117 Item 6: Shared Voting Power: 0 Item

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, IN

Third Amendment to Lease, by and between nLIGHT, Inc. and Dutton Aspen LLC, dated June 1, 2020

a20200601thirdamendmentt DocuSign Envelope ID: 70C12581-9BDC-48C7-8411-22A566171CCE EXHIBIT 10.

Third Amendment to Lease, by and between Nutronics, Inc. and GCC Longmont Holdings, Limited Partnership, dated July 1, 2020

gccnutronicsamendmentfin DocuSign Envelope ID: E660873F-9F59-440E-81D6-ABF2AAB8C0B7 EXHIBIT 10.

EXHIBIT 99.2 Earnings Presentation Q2 2020 August 5, 2020 This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Safe H

q22020earningspresentati EXHIBIT 99.2 Earnings Presentation Q2 2020 August 5, 2020 This presentation contains nLIGHT, Inc. proprietary information. No part of it may be circulated, quoted, or reproduced for distribution without prior written approval from nLIGHT, Inc. Safe Harbor Statement Certain statements in this presentation are “forward-looking statements” within the meaning of Section 27A of

nLIGHT, Inc. Announces Second Quarter 2020 Results Revenues of $52.1 million and gross margin of 25.0% for the second quarter of 2020

Exhibit 99.1 nLIGHT, Inc. Announces Second Quarter 2020 Results Revenues of $52.1 million and gross margin of 25.0% for the second quarter of 2020 VANCOUVER, Wash., August 5, 2020 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the second

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 5, 2020 NLIGHT, INC. (Exact name of Registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commis

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 14, 2020 NLIGHT, INC. (Exact name of Registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commiss

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 4, 2020 NLIGHT, INC. (Exact name of Registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commissi

nLIGHT, Inc. Conflict Minerals Report For the Year Ended December 31, 2019

EXHIBIT 1.01 nLIGHT, Inc. Conflict Minerals Report For the Year Ended December 31, 2019 Introduction and Summary This report for the year ended December 31, 2019 is presented to comply with Rule 13p-1 under the Securities Exchange Act of 1934 (the “Rule”). The Rule was adopted by the Securities and Exchange Commission (“SEC”) to implement reporting and disclosure requirements pursuant to Section 1

- SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT NLIGHT, INC. (Exact name of the registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification Number) 5408 NE 88th Street, Building E Vancouver, Washington 98665

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, I

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 6, 2020 NLIGHT, INC. (Exact name of Registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commissio

Earnings Presentation | Q1 2020 Safe Harbor Statement Certain statements in this presentation are “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act

q12020earningspresentati Earnings Presentation | Q1 2020 Safe Harbor Statement Certain statements in this presentation are “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and the Private Securities Litigation Reform Act of 1995.

nLIGHT, Inc. Announces First Quarter 2020 Results Revenues of $43.2 million and gross margin of 22.0% for the first quarter of 2020

Exhibit 99.1 nLIGHT, Inc. Announces First Quarter 2020 Results Revenues of $43.2 million and gross margin of 22.0% for the first quarter of 2020 VANCOUVER, Wash., May 6, 2020 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfabrication, and aerospace and defense markets, today reported financial results for the first quarte

LASR / NLIGHT, INC. DEFA14A - - DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ¨ Definitive Proxy State

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 20, 2020 NLIGHT, INC. (Exact name of Registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commis

Amended and Restated Bylaws of the Registrant

nlightincamendedandresta AMENDED AND RESTATED BYLAWS OF NLIGHT, INC. (As amended and restated on April 20, 2020) TABLE OF CONTENTS Page ARTICLE I - CORPORATE OFFICES ......................................................................................................... - 1 - 1.1 REGISTERED OFFICE ....................................................................................................

LASR / NLIGHT, INC. DEF 14A - - DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ý Definitive Proxy State

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 7, 2020 NLIGHT, INC. (Exact name of Registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commiss

Purchase and Sale Agreement with Joint Closing Instructions between nLIGHT, Inc. and Sharp Electronics Corporation, dated March 13, 2020

camassignedpsabuildingsa

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 13, 2020 NLIGHT, INC. (Exact name of Registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Commis

LASR / NLIGHT, INC. 10-K - Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38462 NLIGHT, INC. (

LASR / NLIGHT, INC. S-8 - - S-8

As filed with the Securities and Exchange Commission on March 9, 2020 Registration No.

Description of the Registrant's Securities

Exhibit 4.3 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 nLIGHT, Inc. has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common stock, par value $0.0001 per share. The general terms and provisions of our common stock are summarized below. This summary does not purport

List of Subsidiaries of Registrant

Exhibit 21.1 Subsidiaries of Registrant Name of Subsidiary Jurisdiction of Incorporation nLIGHT Oy Finland nLIGHT Cayman Ltd. Cayman Islands, B.W.I. nLIGHT Laser Technology (Shanghai) Co., Ltd.* People’s Republic of China Nutronics, Inc. State of Nevada, United States *nLIGHT Laser Technology (Shanghai) Co., Ltd. is a wholly-owned subsidiary of nLIGHT Cayman Ltd.

Lease Agreement, dated July 3, 2014, by and between Nutronics, Inc. and Longmont Diagonal Investments, LP, as amended by the First Amendment to Lease, dated as of August 4, 2016, and the Second Amendment to Lease, dated as of November 2, 2016

nutronicslease LEASE FOR PREMISES LOCATED AT 1851 LEFTHAND CIRCLE, SUITE G, LONGMONT, COLORADO BETWEEN NUTRONICS, INC.

nLIGHT, INC. ANNOUNCES FOURTH QUARTER AND FULL YEAR 2019 RESULTS Revenues of $176.6 million and gross margin of 29.6% for the full year 2019 Revenues of $42.9 million and gross margin of 23.3% for the fourth quarter of 2019

Exhibit 99.1 nLIGHT, INC. ANNOUNCES FOURTH QUARTER AND FULL YEAR 2019 RESULTS Revenues of $176.6 million and gross margin of 29.6% for the full year 2019 Revenues of $42.9 million and gross margin of 23.3% for the fourth quarter of 2019 VANCOUVER, Wash., February 19, 2020 - nLIGHT, Inc. (Nasdaq: LASR), a leading provider of high-power semiconductor and fiber lasers used in the industrial, microfab

Earnings Presentation | Q4 2019 Safe Harbor Statement Certain statements in this presentation are “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act

EX-99.2 3 q42019corporatepresentat.htm EXHIBIT 99.2 Earnings Presentation | Q4 2019 Safe Harbor Statement Certain statements in this presentation are “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and the Private Securities Litigation Reform Act of 1995. Words such as “out

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 19, 2020 NLIGHT, INC. (Exact name of Registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Com

LASR / NLIGHT, INC. / Clearbridge Investments, LLC - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 01)* NLIGHT, INC. (Name of Issuer) Common Stock (Title of Class of Securities) 65487K100 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which t

LASR / NLIGHT, INC. / MASSACHUSETTS FINANCIAL SERVICES CO /MA/ - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* NLIGHT, INC. (Name of Issuer) Common Stock (Title of Class of Securities) 65487K100 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is

LASR / NLIGHT, INC. / TimesSquare Capital Management, LLC - SC 13G/A Passive Investment

SC 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)1 Nlight, Inc. (Name of Issuer) Common Stock, $.0001 par value (Title of Class of Securities) 65487K100 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which th

LASR / NLIGHT, INC. / VANGUARD GROUP INC - SCHEDULE 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Name of issuer: nLight Inc Title of Class of Securities: Common Stock CUSIP Number: 65487K100 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13d-1(b) ☐ Rule 13d-1(c

LASR / NLIGHT, INC. / Mohr Davidow Ventures Vi Lp - SC 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

LASR / NLIGHT, INC. / BlackRock Inc. Passive Investment

us65487k1007020620.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: ) NLIGHT INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 65487K100 - (CUSIP Number) December 31, 2019 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which th

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 1, 2019 NLIGHT, INC. (Exact name of Registrant as specified in its charter) Delaware 001-38462 91-2066376 (State or other jurisdiction of incorporation or organization) (Comm