GLPG / Galapagos NV - Depositary Receipt (Common Stock) - SEC-Einreichungen, Jahresbericht, Proxy Statement

Galapagos NV - Depositary Receipt (Common Stock)
US ˙ NasdaqGS ˙ US36315X1019
DIESES SYMBOL IST NICHT MEHR AKTIV

Basisstatistiken
LEI 549300QKJ78IY0IOV655
CIK 1421876
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Galapagos NV - Depositary Receipt (Common Stock)
SEC Filings (Chronological Order)
Auf dieser Seite finden Sie eine vollständige, chronologische Liste der SEC-Einreichungen, mit Ausnahme der Eigentumseinreichungen, die wir an anderer Stelle bereitstellen.
May 27, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2026 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2026 Commission File Number: 001-37384 Lakefront Biotherapeutics (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal ex

May 27, 2026 EX-99.1

Lakefront Receives Transparency Notification from Bank of America

EdgarFiling EXHIBIT 99.1 Lakefront Receives Transparency Notification from Bank of America Mechelen, Belgium; May 26, 2026, 22.01 CET; regulated information – Lakefront Biotherapeutics NV (Euronext & NASDAQ: LKFT) received a transparency notification from Bank of America. Pursuant to Belgian transparency legislation1, Lakefront received a transparency notification from Bank of America Corporation

May 8, 2026 424B3

[FORM OF ADR]

Filed Pursuant to Rule 424(b)(3) Registration Statement on Form F-6 Registration No.

May 6, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2026 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2026 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive offic

May 6, 2026 EX-99.1

Galapagos Reports First Quarter 2026 Financial Results and Provides Business Update

EXHIBIT 99.1 Galapagos Reports First Quarter 2026 Financial Results and Provides Business Update Galapagos’ name change to Lakefront Biotherapeutics approved at the Company’s EGM (Euronext & NASDAQ: LKFT) Collaboration Agreement with Gilead to advance potential First and Best-in-Class T Cell Engager expected to close in the Second Quarter of 2026 Following this transaction, including estimated ass

April 29, 2026 EX-99.1

Galapagos’ Shareholders Adopt All Resolutions Proposed by the Board of Directors at the Annual and Extraordinary Shareholders’ Meetings 2026

Exhibit 99.1 Galapagos’ Shareholders Adopt All Resolutions Proposed by the Board of Directors at the Annual and Extraordinary Shareholders’ Meetings 2026 Mechelen, Belgium; April 28, 2026, 22:01 CET — Galapagos NV (Euronext & NASDAQ: GLPG) today announces that all resolutions proposed at the Company’s Annual and Extraordinary Shareholders’ Meetings (AGM and EGM) held on 28 April 2026 were approved

April 29, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2026. Commission File Number: 001-373

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2026. Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant’s name into English) Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium (Address of principal executive o

March 31, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-3738

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant’s name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

March 31, 2026 EX-99.1

Galapagos and Gilead Enter into Binding Agreement to Collaborate on Advancing First in Class T Cell Engager Program for Autoimmune Diseases New collaboration structure achieves meaningfully improved financial terms and flexibility for Galapagos Follo

EX-99.1 Exhibit 99.1 Galapagos and Gilead Enter into Binding Agreement to Collaborate on Advancing First in Class T Cell Engager Program for Autoimmune Diseases New collaboration structure achieves meaningfully improved financial terms and flexibility for Galapagos Following this transaction, the Company will continue to have a majority of its cash remaining for additional strategic transactions a

March 31, 2026 EX-99.2

Q3 Results 2020 Galapagos Participants Henry Gosebruch Aaron Cox Eric Hedrick, MD Chief Executive Officer and Chief Financial Officer Head of Clinical Evaluation Executive Director Dan Grossman, PhD Sherri Spear Sooin Kwon Chief Business Officer Chie

EX-99.2 Exhibit 99.2 Galapagos and Gilead Enter into Binding Agreement to Collaborate on Advancing First in Class T Cell Engager Program for Autoimmune Diseases Conference Call March 31, 2026 Forward-Looking Statements This presentation contains forward-looking statements, all of which involve certain risks and uncertainties. These statements are often, but are not always, made through the use of

March 30, 2026 EX-99.13

Gewone en Buitengewone Algemene Vergadering van 28 april 2026; Annual and Extraordinary Shareholders’ Meeting of April 28, 2026; Agenda Gewone Algemene Vergadering Annual Shareholders’ Meeting 1. Kennisname en bespreking van (a) het jaarverslag van d

EX-99.13 Exhibit 99.13 Gewone en Buitengewone Algemene Vergadering van 28 april 2026; Annual and Extraordinary Shareholders’ Meeting of April 28, 2026; Agenda Gewone Algemene Vergadering Annual Shareholders’ Meeting 1. Kennisname en bespreking van (a) het jaarverslag van de 1. Acknowledgement and discussion of (a) the annual report Raad van Bestuur met betrekking tot de niet-geconsolideerde of the

March 30, 2026 EX-99.9

Depositary’s Notice of Shareholders’ Meetings’ of Galapagos NV ADSs: American Depositary Shares (“ADSs”). ADS CUSIP No.: 36315X101. Company: Galapagos NV, a company organized and existing under the laws of the Kingdom of Belgium (the “Company”). ADS

EX-99.9 Exhibit 99.9 Time Sensitive Materials Depositary’s Notice of Shareholders’ Meetings’ of Galapagos NV ADSs: American Depositary Shares (“ADSs”). ADS CUSIP No.: 36315X101. Company: Galapagos NV, a company organized and existing under the laws of the Kingdom of Belgium (the “Company”). ADS Record Date: March 23, 2026 (5:00 P.M. New York City time). Date used to determine ADS Holders who are t

March 30, 2026 EX-99.10

Annual and Extraordinary Shareholders’ Meetings The Voting Instructions must be signed, completed and received at the indicated address prior to 10:00 A.M. (New York City time) on April 20, 2026 for action to be taken. 2026 VOTING INSTRUCTIONS    AME

EX-99.10 Exhibit 99.10 Annual and Extraordinary Shareholders’ Meetings The Voting Instructions must be signed, completed and received at the indicated address prior to 10:00 A.M. (New York City time) on April 20, 2026 for action to be taken. 2026 VOTING INSTRUCTIONS    AMERICAN DEPOSITARY SHARES Galapagos NV (the “Company”) ADS CUSIP No.: 36315X101. ADS Record Date: March 23, 2026 (5:00 P.M. New Y

March 30, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026. Commission File Number: 001-373

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026. Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant’s name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executiv

March 30, 2026 EX-99.6

ANNUAL ACCOUNTS AND OTHER DOCUMENTS TO BE FILED IN ACCORDANCE WITH THE BELGIAN COMPANIES AND ASSOCIATIONS

EX-99.6 Exhibit 99.6 F-cap 1 ANNUAL ACCOUNTS AND OTHER DOCUMENTS TO BE FILED IN ACCORDANCE WITH THE BELGIAN COMPANIES AND ASSOCIATIONS CODE IDENTIFICATION DETAILS (at the filing date) NAME: Galapagos Legal form 1: Public limited company Address: Generaal De Wittelaan Postal code: 2800 Town: Mechelen N°. L11 , box A3 Country: Belgium Register of legal persons - commercial court: Antwerp, division M

March 30, 2026 EX-99.1

Galapagos Publishes 2025 Annual Report and Announces Annual and Extraordinary Shareholders’ Meetings

EX-99.1 Exhibit 99.1 Galapagos Publishes 2025 Annual Report and Announces Annual and Extraordinary Shareholders’ Meetings Mechelen, Belgium; March 26, 2026, 21:01 CET; regulated information — Galapagos NV (Euronext & NASDAQ: GLPG) today published its annual report for the financial year 2025 and announced that its Annual Shareholders’ Meeting (AGM) and an Extraordinary Shareholders’ Meeting (EGM)

March 30, 2026 EX-99.12

GALAPAGOS Naamloze Vennootschap / Public Limited Liability Company Generaal De Wittelaan L11 A3, 2800 Mechelen, België / Belgium Ondernemingsnummer / Company number: 0466.460.429 RPR Antwerpen (afdeling Mechelen) / RLE Antwerp (division Mechelen) Op

EX-99.12 Exhibit 99.12 GALAPAGOS Naamloze Vennootschap / Public Limited Liability Company Generaal De Wittelaan L11 A3, 2800 Mechelen, België / Belgium Ondernemingsnummer / Company number: 0466.460.429 RPR Antwerpen (afdeling Mechelen) / RLE Antwerp (division Mechelen) Op 26 maart 2026 bedraagt het totaal aantal aandelen en stemrechten van Galapagos NV 65.897.071 On March 26, 2026, the total numbe

March 30, 2026 EX-99.5

Gewone en Buitengewone Algemene Vergadering van 28 april 2026; Annual and Extraordinary Shareholders’ Meeting of April 28, 2026; Volmacht Proxy (enkel te gebruiken door aandeelhouders) (to be used by shareholders only) De ondergetekende: The undersig

EX-99.5 Exhibit 99.5 Gewone en Buitengewone Algemene Vergadering van 28 april 2026; Annual and Extraordinary Shareholders’ Meeting of April 28, 2026; Volmacht Proxy (enkel te gebruiken door aandeelhouders) (to be used by shareholders only) De ondergetekende: The undersigned: (Naam en adres / Name and address) hierin optredend als lastgever, herein acting as grantor of a proxy, eigenaar van het vol

March 30, 2026 EX-99.8

GALAPAGOS Public Limited Liability Company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Company number: 0466.460.429 RLE Antwerp - division Mechelen REPORT OF THE BOARD OF DIRECTORS IN ACCORDANCE WITH ARTICLE 7:199 OF THE BELGIAN COMPANIES AN

EX-99.8 Exhibit 99.8 English translation for information purposes GALAPAGOS Public Limited Liability Company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Company number: 0466.460.429 RLE Antwerp - division Mechelen REPORT OF THE BOARD OF DIRECTORS IN ACCORDANCE WITH ARTICLE 7:199 OF THE BELGIAN COMPANIES AND ASSOCIATIONS CODE Dear shareholders, In accordance with the provisions of Article

March 30, 2026 EX-99.4

GALAPAGOS NV Public limited liability company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Company Number: 0466.460.429 RLE Antwerp - division Mechelen Invitation to the Annual and Extraordinary Shareholders’ Meetings to be held on April 28,

EX-99.4 Exhibit 99.4          English translation for information purposes only GALAPAGOS NV Public limited liability company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Company Number: 0466.460.429 RLE Antwerp - division Mechelen Invitation to the Annual and Extraordinary Shareholders’ Meetings to be held on April 28, 2026 The Board of Directors of Galapagos NV (hereinafter the “Company”

March 30, 2026 EX-99.2

Galapagos Announces Nomination of Gino Santini to its Board of Directors Subject to his election by shareholders, the Board intends to appoint Mr. Santini as Chair, succeeding Jérôme Contamine Mr. Santini will bring extensive corporate governance, bu

EX-99.2 Exhibit 99.2 Galapagos Announces Nomination of Gino Santini to its Board of Directors Subject to his election by shareholders, the Board intends to appoint Mr. Santini as Chair, succeeding Jérôme Contamine Mr. Santini will bring extensive corporate governance, business development and industry leadership experience to the Board Mechelen, Belgium; March 26, 2026, 21:02 CET — Galapagos NV (E

March 30, 2026 EX-99.3

Transforming Today to Lead Tomorrow Annual Report 2025 Proposal for Change of Company Name to be voted on at the Extraordinary General Meeting (EGM), April 28, 2026

EX-99.3 Exhibit 99.3 Transforming Today to Lead Tomorrow Annual Report 2025 Proposal for Change of Company Name to be voted on at the Extraordinary General Meeting (EGM), April 28, 2026 ABOUT THIS REPORT About this Report This report contains information required under Belgian law. Galapagos NV is a limited liability company organized under the laws of Belgium, with its registered office at Genera

March 30, 2026 EX-99.7

T: +32 (0)2 778 01 00 The Corporate Village www.bdo.be Da Vincilaan 9, Box E.6 Elsinore Building

EX-99.7 Exhibit 99.7 T: +32 (0)2 778 01 00 The Corporate Village www.bdo.be Da Vincilaan 9, Box E.6 Elsinore Building B-1930 Zaventem GALAPAGOS NV Statutory auditor’s report to the general meeting for the year ended 31 December 2025

March 30, 2026 EX-99.11

Gewone en Buitengewone Algemene Vergadering van 28 april 2026 Annual and Extraordinary Shareholders’ Meeting of April 28, 2026 Kennisgeving van deelname Notification of participation (enkel te gebruiken door houders van aandelen op naam of (to be use

EX-99.11 Exhibit 99.11 Gewone en Buitengewone Algemene Vergadering van 28 april 2026 Annual and Extraordinary Shareholders’ Meeting of April 28, 2026 Kennisgeving van deelname Notification of participation (enkel te gebruiken door houders van aandelen op naam of (to be used by holders of registered shares or subscription inschrijvingsrechten, die geregistreerd werden op 14 april rights only, regis

March 26, 2026 EX-13.2

Certification by the Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 Certification by the Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the annual report of Galapagos NV (the “Company”) on Form 20-F for the fiscal year ended December 31, 2025 as filed with the U.S. Securities and Exchange Commission on the date hereof (the “Report”), I, Aaron Cox,

March 26, 2026 EX-4.73

Restricted Stock Units/Long-Term Incentive Plan 2025 – Participants’ Guide

Exhibit 4.73 Confidential RSU/LTIP 2025 Restricted Stock Units/Long-Term Incentive Plan 2025 – Participants’ Guide This Plan is intended to provide certain employees of Galapagos or its Affiliates and certain legal or natural persons providing services to Galapagos or an Affiliate the opportunity to receive Restricted Stock Units as a long-term incentive. Its purpose is to retain and encourage Par

March 26, 2026 EX-12.2

Certification by the Principal Financial Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.2 Certification by the Principal Financial Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Aaron Cox, certify that: 1. I have reviewed this annual report on Form 20-F of Galapagos NV; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to s

March 26, 2026 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ 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

March 26, 2026 EX-4.75

Restricted Stock Units/One-Time (“OT”) Incentive Plan 2025 – Participants’ Guide

Exhibit 4.75 Confidential RSU/OTIP 2025 Restricted Stock Units/One-Time (“OT”) Incentive Plan 2025 – Participants’ Guide This multi-year Plan is intended to provide certain employees of Galapagos or its Affiliates and certain legal or natural persons providing services to Galapagos or an Affiliate the opportunity to receive Restricted Stock Units as a long-term incentive. Its purpose is to retain

March 26, 2026 EX-12.1

Certification by the Principal Executive Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.1 Certification by the Principal Executive Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Henry Gosebruch, certify that: 1. I have reviewed this annual report on Form 20-F of Galapagos NV; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omi

March 26, 2026 EX-4.80

Addendum 1 to the Lease agreement Intervest NV – Galapagos NV English Translation

Exhibit 4.80 Addendum 1 to the Lease agreement Intervest NV – Galapagos NV English Translation ADDENDUM 1 To the lease agreement of 09 July 2025 BETWEEN INTERVEST NV, a public regulated real estate company under Belgian law with fixed capital for investment in real estate, having its registered office at 2600 Berchem, Uitbreidingstraat 66, and company number 0458.623.918 (RPR Antwerp, Antwerp Divi

March 26, 2026 EX-4.78

Restricted Stock Units/ Long-Term Incentive Plan 2025 (B) – Participants’ Guide

Exhibit 4.78 Confidential RSU/ LTIP 2025 (B) Restricted Stock Units/ Long-Term Incentive Plan 2025 (B) – Participants’ Guide This multi-year Plan is intended to provide certain employees of Galapagos or its Affiliates and certain legal or natural persons providing services to Galapagos or an Affiliate the opportunity to receive Restricted Stock Units as a long-term incentive. Its purpose is to ret

March 26, 2026 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM Galapagos NV Mechelen, Belgium We hereby consent to the incorporation by reference in the Registration Statements on Forms S-8 (No. 333-292050, 333-204567, 333-208697, 333-211834, 333-215783, 333-218160, 333-225263, 333-231765, 333-249416, 333-260500, 333-268756, 333-275886 and 333-283361) of Galapagos NV of our reports dated Ma

March 26, 2026 EX-4.76

Restricted Stock Units/ExCom (A) Long-Term Incentive Plan 2025 – Participants’ Guide

Exhibit 4.76 Confidential RSU/ExCom (A) LTIP 2025 Restricted Stock Units/ExCom (A) Long-Term Incentive Plan 2025 – Participants’ Guide This multi-year Plan is intended to provide certain members of the Executive Committee the opportunity to receive Restricted Stock Units as a long-term incentive. Its purpose is to retain and encourage the Participant to contribute to the performance of Galapagos a

March 26, 2026 EX-4.74

Restricted Stock Units/Commitment (COM) Incentive Plan 2025 – Participants’ Guide

Exhibit 4.74 Confidential RSU/COMIP 2025 Restricted Stock Units/Commitment (COM) Incentive Plan 2025 – Participants’ Guide This Plan is intended to provide certain certain employees of Galapagos or its Affiliates and certain legal or natural persons providing services to Galapagos or an Affiliate the opportunity to receive Restricted Stock Units as a long-term incentive. Its purpose is to retain a

March 26, 2026 EX-2.3

DESCRIPTION OF SECURITIES

Exhibit 2.3 DESCRIPTION OF SECURITIES The following description of the securities registered under Section 12 of the Securities Exchange Act of 1934 of Galapagos NV (“Galapagos,” “us,” “our,” “we” or the “Company”) is a summary of the rights of our ordinary shares and certain provisions of our Articles of Association in effect as of April 30, 2024. This summary does not purport to be complete and

March 26, 2026 EX-13.1

Certification by the Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 Certification by the Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the annual report of Galapagos NV (the “Company”) on Form 20-F for the fiscal year ended December 31, 2025 as filed with the U.S. Securities and Exchange Commission on the date hereof (the “Report”), I, Henry Goseb

March 26, 2026 EX-4.79

Lease agreement INTERVEST NV – GALAPAGOS NV English translation

Exhibit 4.79 Lease agreement INTERVEST NV – GALAPAGOS NV English translation OFFIC SPACE LEASE AGREMEENT 09/07/2025 BETWEEN INTERVEST NV Hereinafter the “Lessor” En GALAPAGOS NV Hereinafter the “Lessee” WITH REGARD TO Office space at Mechelen Campus, Schaliënhoevedreef 20T, 2800 Mechelen Lease agreement INTERVEST NV – GALAPAGOS NV SUMMARY1 Involved parties Lessor :INTERVEST NV Lessee:GALAPAGOS NV

March 26, 2026 EX-4.77

Restricted Stock Units/ExCom (B) Long-Term Incentive Plan 2025 – Participants’ Guide

Exhibit 4.77 Confidential RSU/ExCom (B) LTIP 2025 Restricted Stock Units/ExCom (B) Long-Term Incentive Plan 2025 – Participants’ Guide This multi-year Plan is intended to provide certain members of the Executive Committee the opportunity to receive Restricted Stock Units as a long-term incentive. Its purpose is to retain and encourage Participants to contribute to the performance of Galapagos and

March 24, 2026 EX-99.1

Galapagos and Gilead in Advanced Discussions to Collaborate on Advancing First in Class T Cell Engager Program for Autoimmune Diseases

EXHIBIT 99.1 Galapagos and Gilead in Advanced Discussions to Collaborate on Advancing First in Class T Cell Engager Program for Autoimmune Diseases Galapagos intends to enter into a strategic collaboration with Gilead following Gilead's acquisition of Ouro Medicines New partnership structure would achieve meaningfully improved financial terms and flexibility for Galapagos Following this potential

March 24, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-3738

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive off

March 17, 2026 EX-99.1

Galapagos Receives Transparency Notification from Bank of America

EdgarFiling EXHIBIT 99.1 Galapagos Receives Transparency Notification from Bank of America Mechelen, Belgium; March 17, 2026, 22:01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) received a transparency notification from Bank of America. Pursuant to Belgian transparency legislation1, Galapagos received transparency notification from Bank of America Corporation on March 12, 202

March 17, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-3738

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive off

March 10, 2026 EX-99.1

Galapagos Receives Transparency Notifications from Bank of America

EdgarFiling EXHIBIT 99.1 Galapagos Receives Transparency Notifications from Bank of America Mechelen, Belgium; March 10, 2026, 22:01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) received transparency notifications from Bank of America. Pursuant to Belgian transparency legislation1, Galapagos received transparency notifications from Bank of America Corporation on March 5 and

March 10, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-3738

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive off

March 6, 2026 EX-99.1

Galapagos Creates New Subscription Right Plan

EdgarFiling EXHIBIT 99.1 Galapagos Creates New Subscription Right Plan Mechelen, Belgium; March 6, 2026, 22.01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) announced today that its Board of Directors created 1,750,000 subscription rights under a new subscription right plan. On March 6, 2026, the Board of Directors of Galapagos approved the “Subscription Right Plan 2026”, int

March 6, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-3738

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive off

March 5, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-3738

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive off

March 5, 2026 EX-99.1

Galapagos Appoints Tania Philipp as Chief Human Resources Officer

EXHIBIT 99.1 Galapagos Appoints Tania Philipp as Chief Human Resources Officer Seasoned Life Sciences Executive Joins Galapagos with Strong Track Record in Change Management Mechelen, Belgium; March 5, 2026, 22:01 CET — Galapagos NV (Euronext & NASDAQ: GLPG) today announced the appointment of Tania Philipp as Chief Human Resources Officer (CHRO), effective March 4, 2026. Ms. Philipp will also join

March 4, 2026 EX-99.1

Galapagos Receives Transparency Notifications from Bank of America

EdgarFiling EXHIBIT 99.1 Galapagos Receives Transparency Notifications from Bank of America Mechelen, Belgium; March 4, 2026, 22:01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) received transparency notifications from Bank of America. Pursuant to Belgian transparency legislation1, Galapagos received transparency notifications on February 27 and March 2, 2026, from Bank of Am

March 4, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-3738

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive off

February 23, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2026 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2026 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

February 23, 2026 EX-99.1

Galapagos Reports Full Year 2025 Financial Results and Provides Fourth Quarter Business Update

EXHIBIT 99.1 Galapagos Reports Full Year 2025 Financial Results and Provides Fourth Quarter Business Update Strategic reset positions Galapagos for long-term value creation Robust 2025 year-end cash and financial investments of €3.0 billion and ongoing collaboration with Gilead enable flexibility to execute on a business development-led growth strategy 2026 year-end cash expected to be in the rang

February 19, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2026 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2026 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

February 19, 2026 EX-99.1

Galapagos Welcomes Dr. Paulo Fontoura to its Board of Directors

EXHIBIT 99.1 Galapagos Welcomes Dr. Paulo Fontoura to its Board of Directors Dr. Fontoura brings extensive global leadership, clinical development, and operational experience to the Board Mechelen, Belgium; February 19, 2026, 22:01 CET — Galapagos NV (Euronext & NASDAQ: GLPG), today announced the appointment by way of co-optation of Dr. Paulo Fontoura as Non-Executive Independent Director to its B

February 17, 2026 EX-99.1

Galapagos Receives Transparency Notification from Bank of America

EdgarFiling EXHIBIT 99.1 Galapagos Receives Transparency Notification from Bank of America Mechelen, Belgium; February 16, 2026, 22:01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) received a transparency notification from Bank of America. Pursuant to Belgian transparency legislation1, Galapagos received a transparency notification on February 11, 2026, from Bank of America C

February 17, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2026 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2026 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

February 10, 2026 EX-99.1

Galapagos Receives Transparency Notifications from Bank of America

EXHIBIT 99.1 Galapagos Receives Transparency Notifications from Bank of America Mechelen, Belgium; February 10, 2026, 22:01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) received transparency notifications from Bank of America. Pursuant to Belgian transparency legislation1, Galapagos received transparency notifications on February 5, 6, and 9, 2026, from Bank of America Corpo

February 10, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2026 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2026 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

January 5, 2026 EX-99.1

Galapagos Announces Board Decision to Initiate Wind-Down of Cell Therapy Activities

EXHIBIT 99.1 Galapagos Announces Board Decision to Initiate Wind-Down of Cell Therapy Activities Mechelen, Belgium; January 5, 2026, 22:01 CET; Galapagos NV (Euronext & NASDAQ: GLPG) today announced that the works council consultation process regarding the wind-down of cell therapy activities has been completed and its Board of Directors has decided to initiate the wind-down of the Company’s cell

January 5, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2026 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2026 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive o

December 18, 2025 EX-99.1

Galapagos Announces Topline Results from Two Phase 3-Enabling Studies with Selective TYK2 Inhibitor GLPG3667 in Dermatomyositis and Systemic Lupus Erythematosus

EXHIBIT 99.1 Galapagos Announces Topline Results from Two Phase 3-Enabling Studies with Selective TYK2 Inhibitor GLPG3667 in Dermatomyositis and Systemic Lupus Erythematosus GLPG3667 met primary endpoint in dermatomyositis study, demonstrating a statistically significant clinical benefit and meaningful improvements on secondary measures of disease activity compared to placebo In the systemic lupus

December 18, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2025 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

December 10, 2025 EX-FILING FEES

Table 1: Newly Registered Securities

Calculation of Filing Fee Tables S-8 GALAPAGOS NV Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee 1 Equity Ordinary Shares, no par value Other 2,250,000 $ 30.

December 10, 2025 EX-4.1

GALAPAGOS Limited Liability Company With office at Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Judicial district of Mechelen (Belgium) Registered with the Register of Legal Entities under number 0466.460.429 Coordination of the Articles of A

Exhibit 4.1 GALAPAGOS Limited Liability Company With office at Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Judicial district of Mechelen (Belgium) Registered with the Register of Legal Entities under number 0466.460.429 www.glpg.com ********************* Coordination of the Articles of Association per 30 April 2024 ********************* Incorporated pursuant to a deed enacted by notary pu

December 10, 2025 EX-99.1

Subscription Right Plan 2025 (A) GALAPAGOS NV General Rules

Exhibit 99.1 Subscription Right Plan 2025 (A) GALAPAGOS NV General Rules Free translation for information purposes only Table of Contents 1 Basis and Purpose 3 2 Definitions 3 3 Subscription Rights 4 3.1 General 4 3.2 Number per Beneficiary 5 3.3 Transfer restrictions 5 3.4 Exercise Price 5 3.5 Administration of the Subscription Right Plan 5 4 Beneficiary of the Plan 6 5 Acceptance or Refusal of t

December 10, 2025 EX-99.2

Subscription Right Plan 2025 (B) GALAPAGOS NV General Rules

Exhibit 99.2 Subscription Right Plan 2025 (B) GALAPAGOS NV General Rules Galapagos NV | Subscription Right Plan 2025 (A) Page 1 of 11 Free translation for information purposes only Table of Contents 1 Basis and Purpose 3 2 Definitions 3 3 Subscription Rights 4 3.1 General 4 3.2 Number per Beneficiary 5 3.3 Transfer restrictions 5 3.4 Exercise Price 5 3.5 Administration of the Subscription Right Pl

December 10, 2025 S-8

As filed with the U.S. Securities and Exchange Commission on December 10, 2025

As filed with the U.S. Securities and Exchange Commission on December 10, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 GALAPAGOS NV (Exact name of registrant as specified in its charter) Belgium Not applicable (State or other jurisdiction of incorporation or organization) (I.R.S.

December 8, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2025 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

December 8, 2025 EX-99.1

Galapagos Presented New ATALANTA-1 Cell Therapy Data in MCL at ASH 2025

EdgarFiling EXHIBIT 99.1 Galapagos Presented New ATALANTA-1 Cell Therapy Data in MCL at ASH 2025 High complete response rates and minimal residual disease (MRD) negativity, with durable responses, in high-risk mantle cell lymphoma (MCL) with GLPG5101, a fresh, early memory-enriched CAR T-cell therapy with a 7-day vein-to-vein time Mechelen, Belgium; December 8, 2025, 07:30 CET; Galapagos NV (Euron

November 26, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2025 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

November 26, 2025 EX-99.1

Galapagos Receives Transparency Notifications from Bank of America

EdgarFiling EXHIBIT 99.1 Galapagos Receives Transparency Notifications from Bank of America Mechelen, Belgium; November 26, 2025, 07:30 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) received transparency notifications from Bank of America. Pursuant to Belgian transparency legislation1, Galapagos received transparency notifications on November 18 and November 19, 2025, from Ba

November 6, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2025 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

November 6, 2025 EX-99.1

Galapagos Reports Nine Months 2025 Financial Results and Provides Business Update

EdgarFiling EXHIBIT 99.1 Galapagos Reports Nine Months 2025 Financial Results and Provides Business Update Strategic review process concluded with intention to wind down cell therapy business, representing optimal capital allocation pathway to support a stronger and sustainable future for Galapagos Continued evolution of leadership team aligned with strategic direction Robust balance sheet with €3

November 3, 2025 EX-99.1

Galapagos to Present New Data from Cell Therapy Program at ASH 2025

EXHIBIT 99.1 Galapagos to Present New Data from Cell Therapy Program at ASH 2025 Oral presentation of GLPG5101 data from the ATALANTA-1 study in patients with high-risk relapsed/refractory mantle cell lymphoma Two abstracts featuring new Phase 2 data highlight the potential of CAR-T cell therapy candidate, GLPG5101, in relapsed/refractory non-Hodgkin lymphoma Results demonstrate high rates of comp

November 3, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2025 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

October 30, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive o

October 30, 2025 EX-99.1

Galapagos Announces Changes to its Board to Accelerate Strategic Focus on Business Development

EXHIBIT 99.1 Galapagos Announces Changes to its Board to Accelerate Strategic Focus on Business Development New Directors bring strong financial leadership, capital allocation, and business development expertise to the Board Mechelen, Belgium; October 30, 2025, 21:01 CET — Galapagos NV (Euronext & NASDAQ: GLPG), today announced several changes to its Board of Directors as part of its ongoing commi

October 24, 2025 EX-99.1

Galapagos to Present In Vitro Data at ACR Convergence 2025 Suggesting Differentiation of GLPG3667 from Other TYK2 Inhibitors

EdgarFiling EXHIBIT 99.1 Galapagos to Present In Vitro Data at ACR Convergence 2025 Suggesting Differentiation of GLPG3667 from Other TYK2 Inhibitors Mechelen, Belgium; October 23, 2025, 22:01 CET; Galapagos NV (Euronext & NASDAQ: GLPG) today announced that it will present new in vitro pharmacological data from its selective TYK2 inhibitor, GLPG3667, currently in two Phase 3-enabling studies in de

October 24, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive o

October 21, 2025 EX-99.1

Galapagos Announces Intention to Wind Down Cell Therapy Business as Part of the Company’s Ongoing Transformation

EdgarFiling EXHIBIT 99.1 Galapagos Announces Intention to Wind Down Cell Therapy Business as Part of the Company’s Ongoing Transformation Intention follows comprehensive strategic review process and would represent the optimal capital allocation pathway to support a stronger and sustainable future for Galapagos Mechelen, Belgium; October 21, 2025, 07:30 CET; regulated information – inside informat

October 21, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive o

October 16, 2025 EX-99.1

Galapagos Announces Appointment of Fred Blakeslee as General Counsel

EdgarFiling EXHIBIT 99.1 Galapagos Announces Appointment of Fred Blakeslee as General Counsel Mechelen, Belgium; October 16, 2025, 22:01 CET; Galapagos NV (Euronext & NASDAQ: GLPG) today announced the appointment of Mr. Fred Blakeslee as Executive Vice President and General Counsel effective October 16, 2025. Blakeslee is succeeding Ms. Valeria Cnossen, who will leave the Company after a short tra

October 16, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive o

October 1, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive o

October 1, 2025 EX-99.1

Galapagos Provides Update on Strategic Alternatives for Its Cell Therapy Business

EdgarFiling EXHIBIT 99.1 Galapagos Provides Update on Strategic Alternatives for Its Cell Therapy Business Mechelen, Belgium; October 1, 2025, 22:01 CET; Galapagos NV (Euronext & NASDAQ: GLPG) and its Board of Directors today issued the following statement: On May 13, 2025, Galapagos announced that its Board of Directors (the “Board”) had decided to explore all strategic alternatives for its cell

August 7, 2025 EX-99.1

Galapagos Creates New Subscription Right Plan

EdgarFiling EXHIBIT 99.1 Galapagos Creates New Subscription Right Plan Mechelen, Belgium; August 7, 2025, 22.01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) announced today that its Board of Directors created 1,800,000 subscription rights under a new subscription right plan. On August 7, 2025, the Board of Directors of Galapagos approved “Subscription Right Plan 2025 (B)”, i

August 7, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-373

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive of

August 6, 2025 EX-99.1

Galapagos NV Announces U.S. FDA Regenerative Medicine Advanced Therapy (RMAT) Designation Granted to GLPG5101 for the Treatment of Relapsed/Refractory Mantle Cell Lymphoma

EXHIBIT 99.1 Galapagos NV Announces U.S. FDA Regenerative Medicine Advanced Therapy (RMAT) Designation Granted to GLPG5101 for the Treatment of Relapsed/Refractory Mantle Cell Lymphoma Mechelen, Belgium; August 6, 2025, 7:30 CET; regulated information – inside information – Galapagos NV (Euronext & NASDAQ: GLPG) today announced that the United States Food and Drug Administration (FDA) has granted

August 6, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-373

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive of

July 24, 2025 EX-99.2

ABOUT THIS REPORT

EX-99.2 Exhibit 99.2 ABOUT THIS REPORT About This Report This report contains information required under Belgian law. Galapagos NV is a limited liability company organized under the laws of Belgium, having its registered office at Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium and registered with the Crossroads Enterprise Database (RPR Antwerp – division Mechelen) under number 0466.460.429.

July 24, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive offi

July 24, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-37384

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant’s name into English) Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium (Address of principal executive

July 24, 2025 EX-99.1

Galapagos Reports Half-Year 2025 Financial Results and Provides Second Quarter Business Update Appointments of new CEO, CFO, and seasoned business development leaders with proven track records of executing strategic transactions will position the Com

EX-99.1 Exhibit 99.1 Galapagos Reports Half-Year 2025 Financial Results and Provides Second Quarter Business Update Appointments of new CEO, CFO, and seasoned business development leaders with proven track records of executing strategic transactions will position the Company to drive shareholder value and advance pipeline expansion Strategic alternatives for the cell therapy business, including a

July 24, 2025 EX-99.1

Galapagos Bolster Leadership Team with Seasoned Life Sciences Executives to Accelerate Business Transformation

EXHIBIT 99.1 Galapagos Bolster Leadership Team with Seasoned Life Sciences Executives to Accelerate Business Transformation Appoints Sooin Kwon as Chief Business Officer and Dan Grossman as Chief Strategy Officer Both executives possess proven track records in strategic execution and deal-making and will help drive long-term value creation at Galapagos Mechelen, Belgium; July 23, 2025, 22.01 CET;

July 23, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive offi

July 23, 2025 EX-99.1

Galapagos Welcomes Seasoned Pharmaceutical Executives Dawn Svoronos and Jane Griffiths to Its Board of Directors

EXHIBIT 99.1 Galapagos Welcomes Seasoned Pharmaceutical Executives Dawn Svoronos and Jane Griffiths to Its Board of Directors New Directors bring deep commercial, operational, and transaction experience to the Board Mechelen, Belgium; July 23, 2025, 22:01 CET; Galapagos NV (Euronext & NASDAQ: GLPG) today announced the appointments by way of co-optation of Dawn Svoronos and Jane Griffiths as Non-Ex

June 25, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive offi

June 25, 2025 EX-99.1

Galapagos Appoints Aaron Cox as Chief Financial Officer

EXHIBIT 99.1 Galapagos Appoints Aaron Cox as Chief Financial Officer Former Horizon CFO joins Galapagos with deep expertise in international corporate finance, M&A, business development and strategic leadership Mechelen, Belgium; June 23, 2025, 07:30 CET; regulated information – inside information – Galapagos NV (Euronext & NASDAQ: GLPG) today announced the appointment of Mr. Aaron Cox as Chief Fi

June 20, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive offi

June 20, 2025 EX-99.1

Galapagos Presented New Data at ICML 2025 From Cohort 3 of ATALANTA-1 in Relapsed/Refractory Indolent NHL Patients, Demonstrating High Complete Response and MRD Negativity Rates With CAR-T Candidate GLPG5101

EdgarFiling EXHIBIT 99.1 Galapagos Presented New Data at ICML 2025 From Cohort 3 of ATALANTA-1 in Relapsed/Refractory Indolent NHL Patients, Demonstrating High Complete Response and MRD Negativity Rates With CAR-T Candidate GLPG5101 Of the 34 patients enrolled in Cohort 3 of the ATALANTA-1 Phase 1/2 study, 32 received GLPG5101; 94% were infused with fresh CAR-T cells, and 93% were treated within s

June 13, 2025 EX-99.1

Galapagos to Present New ATALANTA-1 CAR-T Data at EHA 2025, Highlighting Low Toxicity and Rapid, Decentralized Delivery of Fresh, Early-Memory-Enriched GLPG5101 in R/R NHL

EXHIBIT 99.1 Galapagos to Present New ATALANTA-1 CAR-T Data at EHA 2025, Highlighting Low Toxicity and Rapid, Decentralized Delivery of Fresh, Early-Memory-Enriched GLPG5101 in R/R NHL Data reported from the ongoing ATALANTA-1 Phase 1/2 study in a heavily pretreated relapsed refractory non-Hodgkin’s Lymphoma (R/R NHL) patient population demonstrate low rates of high-grade toxicities Of the 64 pati

June 13, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive offi

May 28, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive offic

May 28, 2025 EX-99.1

Galapagos Creates New Subscription Right Plan

EXHIBIT 99.1 Galapagos Creates New Subscription Right Plan Mechelen, Belgium; May 27, 2025, 22:30 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) announced today that its Board of Directors created 925,000 subscription rights under a new subscription right plan. On May 27, 2025, the Board of Directors of Galapagos approved “Subscription Right Plan 2025 (A)”, intended for person

May 14, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive offic

May 14, 2025 EX-99.1

Galapagos Announces Oral Presentations at EHA and ICML 2025 Featuring Promising New Data from ATALANTA-1 study of Investigational CAR-T Candidate GLPG5101

EXHIBIT 99.1 Galapagos Announces Oral Presentations at EHA and ICML 2025 Featuring Promising New Data from ATALANTA-1 study of Investigational CAR-T Candidate GLPG5101 Mechelen, Belgium; May 14, 2025, 22:01 CET; Galapagos NV (Euronext & NASDAQ: GLPG), a global biotechnology company dedicated to transforming patient outcomes through life-changing science and innovation, today announced that new dat

May 13, 2025 EX-99.1

Galapagos Announces Strategic Update on Proposed Separation, Executive Leadership Transition and Board Changes Galapagos to re-evaluate the implementation of the previously announced separation following regulatory and market developments Galapagos t

EdgarFiling EXHIBIT 99.1 Galapagos Announces Strategic Update on Proposed Separation, Executive Leadership Transition and Board Changes Galapagos to re-evaluate the implementation of the previously announced separation following regulatory and market developments Galapagos to explore all strategic alternatives for its existing businesses, including cell therapy, with a focus on maximizing resource

May 13, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive offic

April 29, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025. Commission File Number: 001-373

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025. Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant’s name into English) Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium (Address of principal executi

April 23, 2025 EX-99.1

Galapagos Reports First Quarter 2025 Financial Results, Recent Business Highlights and Near-Term Catalysts

EXHIBIT 99.1 Galapagos Reports First Quarter 2025 Financial Results, Recent Business Highlights and Near-Term Catalysts First U.S. patient dosed in ATALANTA-1 study of GLPG5101 Mantle cell lymphoma (MCL), a high-unmet-need hematological malignancy, selected as lead indication for the GLPG5101 program; Pivotal development planned to start in 2026 and aiming for approval in 2028 Executive leadership

April 23, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-3738

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive off

April 21, 2025 EX-99.1

Galapagos Announces Executive Leadership Updates Mr. Henry Gosebruch appointed by the Galapagos Board of Directors as founding CEO of newly created SpinCo Dr. Paul Stoffels, Chair and CEO of Galapagos, plans to retire as CEO upon appointment of succe

EXHIBIT 99.1 Galapagos Announces Executive Leadership Updates Mr. Henry Gosebruch appointed by the Galapagos Board of Directors as founding CEO of newly created SpinCo Dr. Paul Stoffels, Chair and CEO of Galapagos, plans to retire as CEO upon appointment of successor in the next 12 months and plans to continue as Chair of the Board of Directors, ensuring leadership continuity and long-term strateg

April 21, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-3738

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive off

April 15, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-3738

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive off

April 15, 2025 EX-99.1

Galapagos Announces Departure of Thad Huston, CFO and COO, as of August 1, 2025

EXHIBIT 99.1 Galapagos Announces Departure of Thad Huston, CFO and COO, as of August 1, 2025 Mechelen, Belgium; April 15, 2025, 07:30 CET; regulated information – inside information – Galapagos NV (Euronext & NASDAQ: GLPG), a global biotechnology company dedicated to transforming patient outcomes through life-changing science and innovation, today announced the departure of its CFO and COO, Thad H

March 28, 2025 EX-99.1

Galapagos Publishes 2024 Annual Report and Announces Annual Shareholders’ Meeting

EX-99.1 Exhibit 99.1 Galapagos Publishes 2024 Annual Report and Announces Annual Shareholders’ Meeting Mechelen, Belgium; March 27, 2025, 21:01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) today publishes its annual report for the financial year 2024 and announces its Annual Shareholders’ Meeting (AGM) to be held on Tuesday, April 29, 2025 at 14:00 CET at the registered offi

March 28, 2025 EX-99.4

Volmacht (enkel te gebruiken door aandeelhouders)

Exhibit 99.4 Gewone Algemene Vergadering van 29 april 2025; Annual Shareholders’ Meeting of April 29, 2025; Volmacht (enkel te gebruiken door aandeelhouders) Proxy (to be used by shareholders only)  De ondergetekende:  The undersigned: (Naam en adres / Name and address) hierin optredend als lastgever, eigenaar van het volgende aantal aandelen in Galapagos NV (naamloze vennootschap naar Belgisch re

March 28, 2025 EX-99.2

Pioneering scienceto transform patient outcomesAnnual Report 2024

Exhibit 99.2 Pioneering scienceto transform patient outcomesAnnual Report 2024 ABOUT THIS REPORT About this ReportThis report contains information required under Belgian law. Galapagos NV is a limited liability company organized under the laws of Belgium, with itsregistered office at Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium and registered with the Crossroads Enterprise Database (RPR An

March 28, 2025 EX-99.9

P. 1 | 1

Exhibit 99.9 Gewone Algemene Vergadering van 29 april 2025 Annual Shareholders’ Meeting of April 29, 2025 Kennisgeving van deelname Notification of participation (enkel te gebruiken door houders van aandelen op naam of inschrijvingsrechten, die geregistreerd werden op 15 april 2025) (to be used by holders of registered shares or subscription rights only, registered on 15 April 2025)  De ondergetek

March 28, 2025 EX-99.10

GALAPAGOS Naamloze Vennootschap / Limited Liability Company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium RPR / RLE Antwerp, division Mechelen 0466.460.429 Op 27 maart 2025 bedraagt het totaal aantal aandelen en stemrechten van Galapagos NV On

EX-99.10 Exhibit 99.10 GALAPAGOS Naamloze Vennootschap / Limited Liability Company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium RPR / RLE Antwerp, division Mechelen 0466.460.429 Op 27 maart 2025 bedraagt het totaal aantal aandelen en stemrechten van Galapagos NV 65.897.071 On March 27, 2025, the total number of shares and voting rights of Galapagos NV amounts to 65,897,071

March 28, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025. Commission File Number: 001-373

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025. Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant’s name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executiv

March 28, 2025 EX-99.5

ANNUAL ACCOUNTS AND OTHER DOCUMENTS TO BE FILED IN ACCORDANCE WITH THE BELGIAN COMPANIES AND ASSOCIATIONS CODE

Exhibit 99.5 F-cap 1 ANNUAL ACCOUNTS AND OTHER DOCUMENTS TO BE FILED IN ACCORDANCE WITH THE BELGIAN COMPANIES AND ASSOCIATIONS CODE IDENTIFICATION DETAILS (at the filing date) NAME: Galapagos Legal form 1 : Public limited company Address: Generaal De Wittelaan Postal code: 2800 Town: Mechelen N°. L11 , box A3 Country: Belgium Register of legal persons - commercial court: Antwerp, division Mechelen

March 28, 2025 EX-99.6

T: +32 (0)2 778 01 00

Exhibit 99.6 T: +32 (0)2 778 01 00 www.bdo.be The Corporate Village Da Vincilaan 9, Box E.6 Elsinore Building B-1930 Zaventem GALAPAGOS NV Statutory auditor’s report to the general meeting for the year ended 31 December 2024 Free translation BDO Bedrijfsrevisoren BV / BTW BE 0431.088.289 / RPR Brussel BDO Réviseurs d’Entreprises SRL / TVA BE 0431.088.289 / RPM Bruxelles BDO Bedrijfsrevisoren - BDO

March 28, 2025 EX-99.8

Annual Shareholders’ Meeting The Voting Instructions must be signed, completed and received at the indicated address prior to 10:00 A.M. (New York City time) on April 21, 2025 for action to be taken. 2025 VOTING INSTRUCTIONS AMERICAN DEPOSITARY SHARE

Exhibit 99.8 Annual Shareholders’ Meeting The Voting Instructions must be signed, completed and received at the indicated address prior to 10:00 A.M. (New York City time) on April 21, 2025 for action to be taken. 2025 VOTING INSTRUCTIONS AMERICAN DEPOSITARY SHARES Galapagos NV (the “Company”) ADS CUSIP No.: 36315X101. ADS Record Date: March 24, 2025 (5:00 P.M. New York time). Share Record Date: Ap

March 28, 2025 EX-99.11

Stemmen per brief (enkel te gebruiken door aandeelhouders)

Exhibit 99.11 Gewone Algemene Vergadering van 29 april 2025; Annual Shareholders’ Meeting of April 29, 2025; Stemmen per brief (enkel te gebruiken door aandeelhouders) Voting by letter (to be used by shareholders only)  De ondergetekende: The undersigned: (Naam en adres / Name and address) eigenaar van het volgende aantal aandelen in Galapagos NV (naamloze vennootschap naar Belgisch recht, met zet

March 28, 2025 EX-99.3

GALAPAGOS NV Limited liability company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Company Number: 0466.460.429 RLE Antwerp - division Mechelen Invitation to the Annual Shareholders’ Meeting to be held on April 29, 2025

Exhibit 99.3 Free translation from Dutch    For information purposes only   GALAPAGOS NV Limited liability company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Company Number: 0466.460.429 RLE Antwerp - division Mechelen Invitation to the Annual Shareholders’ Meeting to be held on April 29, 2025 The Board of Directors of Galapagos NV (hereinafter the “Company”, or “Galapagos”) has the hono

March 28, 2025 EX-99.7

Time Sensitive

Exhibit 99.7 Time Sensitive Materials Depositary’s Notice of Shareholders’ Meeting of Galapagos NV ADSs: American Depositary Shares (“ADSs”). ADS CUSIP No.: 36315X101. Company: Galapagos NV, a company organized and existing under the laws of the Kingdom of Belgium (the “Company”). ADS Record Date: March 24, 2025 (5:00 P.M. New York City time). Date used to determine ADS Holders who are to receive

March 27, 2025 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ 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

March 27, 2025 EX-15.2

Consent of Independent Registered Public Accounting Firm

EXHIBIT 15.2 Consent of Independent Registered Public Accounting Firm We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-204567, 333-208697, 333-211834, 333-215783, 333-218160, 333-225263, 333-231765, 333-249416, 333-260500, 333-268756, 333-275886 and 333-283361) of Galapagos NV of our reports dated March 27, 2025, relating to the consolidated f

March 27, 2025 EX-4.69

TRANSFER AGREEMENT

Exhibit 4.69 Execution Version TRANSFER AGREEMENT This Transfer Agreement (“Agreement”) is entered into as of January 7, 2025 and effective as of such date (the “Execution Date”) by and between GALAPAGOS NV, a corporation organized under the laws of Belgium and having its principal place of business at Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium (“Galapagos”) and GILEAD SCIENCES, INC., a

March 27, 2025 EX-4.68

Remuneration Policy

Exhibit 4.68 Remuneration Policy This revised Remuneration Policy (‘Remuneration Policy’) of Galapagos NV (‘Galapagos’) is established in accordance with Article 7:89/1 of the Belgian Code of Companies and Associations and the 2020 Belgian Code of Corporate Governance (‘2020 Code’) and is applicable to Galapagos’ non-executive Directors and Executive Committee members. The Remuneration Policy was

March 27, 2025 EX-4.67

Restricted Stock Units/Exceptional Plan 2024 – Participants’ Guide

Exhibit 4.67 Confidential RSU/Exceptional 2024 Restricted Stock Units/Exceptional Plan 2024 – Participants’ Guide This multi-year Plan is intended to provide certain members of the personnel of Galapagos or its Affiliates and certain legal or natural persons providing services to Galapagos or an Affiliate the opportunity to receive Restricted Stock Units as a long-term incentive. Its purpose is to

March 27, 2025 EX-13.2

Certification by the Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 Certification by the Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the annual report of Galapagos NV (the “Company”) on Form 20-F for the fiscal year ended December 31, 2024 as filed with the U.S. Securities and Exchange Commission on the date hereof (the “Report”), I, Thad Huston

March 27, 2025 EX-1.1

Limited Liability Company With office at Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Judicial district of Mechelen (Belgium) Registered with the Register of Legal Entities under number 0466.460.429 Coordination of the Articles of Association

Exhibit 1.1 Free translation from Dutch For information purposes only GALAPAGOS Limited Liability Company With office at Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Judicial district of Mechelen (Belgium) Registered with the Register of Legal Entities under number 0466.460.429 www.glpg.com ********************* Coordination of the Articles of Association per 30 April 2024 ****************

March 27, 2025 EX-4.66

Restricted Stock Units/Long-Term Incentive Plan 2024 – Participants’ Guide

Exhibit 4.66 Confidential RSU/LTIP 2024 Restricted Stock Units/Long-Term Incentive Plan 2024 – Participants’ Guide This multi-year Plan is intended to provide certain members of the Executive Committee, certain employees of Galapagos or its Affiliates and certain legal or natural persons providing services to Galapagos or an Affiliate the opportunity to receive Restricted Stock Units as a long-ter

March 27, 2025 EX-97.1

COMPENSATION RECOVERY POLICY Adopted as of September 19, 2023

Exhibit 97.1 COMPENSATION RECOVERY POLICY Adopted as of September 19, 2023 Galapagos NV, a limited liability company incorporated in Belgium (the “Company”), acting on its own behalf and on behalf of its subsidiaries with whom Executive Officers as defined below have entered into service agreements regarding their Executive Officer role, has adopted a Compensation Recovery Policy (this “Policy”) a

March 27, 2025 EX-12.2

Certification by the Principal Financial Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.2 Certification by the Principal Financial Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Thad Huston, certify that: 1. I have reviewed this annual report on Form 20-F of Galapagos NV; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to

March 27, 2025 EX-2.3

DESCRIPTION OF SECURITIES

Exhibit 2.3 DESCRIPTION OF SECURITIES The following description of the securities registered under Section 12 of the Securities Exchange Act of 1934 of Galapagos NV (“Galapagos,” “us,” “our,” “we” or the “Company”) is a summary of the rights of our ordinary shares and certain provisions of our Articles of Association in effect as of April 30, 2024. This summary does not purport to be complete and

March 27, 2025 EX-11.1

Galapagos Dealing Code

Exhibit 11.1 Galapagos Dealing Code This Dealing Code has last been updated on 5 May 2023 pursuant to the power of attorney granted to the General Counsel of Galapagos NV by the Board of Directors of Galapagos NV of 9 December 2022. 1Introduction Galapagos NV is a publicly listed limited liability company (“naamloze vennootschap”/”société anonyme”), organized under the laws of Belgium, having its

March 27, 2025 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement Nos. 333-283361, 333-275886, 333-268756, 333-260500, 333-249416, 333-231765, 333-225263, 333-218160, 333-215783, 333-211834, 333-208697 and 333-204567, on Form S-8 of our report dated March 23, 2023 (March 28, 2024 as to the effects of the discontinued operat

March 27, 2025 EX-12.1

Certification by the Principal Executive Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.1 Certification by the Principal Executive Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Stoffels IMC BV, permanently represented by Dr. Paul Stoffels, certify that: 1. I have reviewed this annual report on Form 20-F of Galapagos NV; 2. Based on my knowledge, this report does not contain

March 27, 2025 EX-13.1

Certification by the Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 Certification by the Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the annual report of Galapagos NV (the “Company”) on Form 20-F for the fiscal year ended December 31, 2024 as filed with the U.S. Securities and Exchange Commission on the date hereof (the “Report”), I, Stoffels IM

February 24, 2025 EX-99.1

Galapagos to Present at Upcoming Investor Conferences

EdgarFiling EXHIBIT 99.1 Galapagos to Present at Upcoming Investor Conferences Mechelen, Belgium; February 24, 2025, 22:01 CET – Galapagos NV (Euronext & NASDAQ: GLPG), a global biotechnology company dedicated to transforming patient outcomes through life-changing science and innovation, today announced that its management will present at the following investor conferences in March: TD Cowen 45th

February 24, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

February 18, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

February 18, 2025 EX-99.1

Galapagos receives transparency notification and 13D filing from Tang Capital

EdgarFiling EXHIBIT 99.1 Galapagos receives transparency notification and 13D filing from Tang Capital Mechelen, Belgium; February 17, 2025, 22:01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) received a transparency notification and 13D filing from Tang Capital. Pursuant to Belgian transparency legislation1, Galapagos received a transparency notification on February 14, 2025

February 14, 2025 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 ex991.htm EXHIBIT 99.1 EXHIBIT 1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13D referred to below) on behalf of each of them of a statement on Schedule 13D (including amendments thereto) with resp

February 14, 2025 EX-99.2

Schedule A Transactions during the past 60 days

EX-99.2 3 ex992.htm EXHIBIT 99.2 EXHIBIT 2 Schedule A Transactions during the past 60 days Transaction Date Nature of Transaction Quantity Security Type* Weighted Average Price Per Share** Price Range Min Max 12/16/2024 Purchase 9,441 Ordinary Shares € 25.17 € 24.92 € 25.40 12/16/2024 Purchase 47,176 ADRs $26.84 $26.50 $27.00 12/17/2024 Purchase 2,989 Ordinary Shares € 25.30 € 25.16 € 25.40 12/17/

February 12, 2025 EX-99.1

SEPARATION AGREEMENT 7 January 2025 by and between GALAPAGOS NV GILEAD THERAPEUTICS A1 UNLIMITED COMPANY GILEAD SCIENCES INC. Parent Investor

Exhibit 99.1 CERTAIN CONFIDENTIAL PORTIONS OF THIS EXHIBIT HAVE BEEN OMITTED AND REPLACED WITH “[***]”. SUCH IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS (I) NOT MATERIAL AND (II) WOULD LIKELY CAUSE COMPETITIVE HARM TO THE COMPANY IF DISCLOSED. SEPARATION AGREEMENT dated 7 January 2025 by and between GALAPAGOS NV Company and GILEAD THERAPEUTICS A1 UNLIMITED COMPANY Inve

February 12, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-3

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant’s name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal execut

February 12, 2025 EX-99.2

Galapagos Reports Full Year 2024 Results and Provides Fourth Quarter Business Update Compelling clinical results for GLPG5101 in three NHL indications underscore potential of innovative decentralized cell therapy platform to deliver fresh, fit cells,

Exhibit 99.2 Galapagos Reports Full Year 2024 Results and Provides Fourth Quarter Business Update Compelling clinical results for GLPG5101 in three NHL indications underscore potential of innovative decentralized cell therapy platform to deliver fresh, fit cells, in median seven days vein-to-vein Focusing on accelerating GLPG5101 program, expanding to eight indications with significant unmet needs

January 10, 2025 EX-99.4

SEPARATION AGREEMENT 7 January 2025 by and between GALAPAGOS NV GILEAD THERAPEUTICS A1 UNLIMITED COMPANY GILEAD SCIENCES INC. Parent Investor

Exhibit 99.4 Private and Confidential Execution copy CERTAIN CONFIDENTIAL INFORMATION IN THIS EXHIBIT HAS BEEN OMITTED AND REPLACED WITH “[…***…]” BECAUSE IT IS NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. SEPARATION AGREEMENT dated 7 January 2025 by and between GALAPAGOS NV Company and GILEAD THERAPEUTICS A1 UNLIMITED COMPANY Investor and GILEAD SCIENCES INC

January 10, 2025 EX-99.3

Directors and Executive Officers of Gilead

Exhibit 99.3 Directors and Executive Officers of Gilead All addresses are c/o Gilead Sciences, Inc., 333 Lakeside Drive, Foster City, California, 94404. Name Title Citizenship Principal Occupation Daniel P. O’Day Chief Executive Officer, Chairman and Director United States * Jacqueline K. Barton, Ph.D. Director United States Professor Emerita, California Institute of Technology Jeffrey A. Blueston

January 8, 2025 EX-99.1

Galapagos to Present at the 43rd Annual J.P. Morgan Healthcare Conference

EXHIBIT 99.1 Galapagos to Present at the 43rd Annual J.P. Morgan Healthcare Conference Mechelen, Belgium; January 7, 2025, 22:01 CET; Galapagos NV (Euronext & NASDAQ: GLPG) today announced that the Company will present at the 43rd Annual J.P. Morgan Healthcare Conference on Wednesday, January 15, 2025, at 1:30 pm PT in San Francisco. A live webcast of the presentation will be accessible on the Inv

January 8, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive o

January 8, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive o

January 8, 2025 EX-99.1

Galapagos to Unlock Shareholder Value by Declaring its Intent to Separate into Two Publicly Traded Entities Galapagos intends to create a new company with approximately €2.45 billion in cash dedicated to building a pipeline of innovative medicines th

EXHIBIT 99.1 Galapagos to Unlock Shareholder Value by Declaring its Intent to Separate into Two Publicly Traded Entities Galapagos intends to create a new company with approximately €2.45 billion in cash dedicated to building a pipeline of innovative medicines through transformational transactions Galapagos will gain full global development and commercialization rights to its pipeline, focusing on

December 9, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

December 9, 2024 EX-99.1

Galapagos Announces Encouraging New Results from Ongoing Phase 1/2 Study of CD19 CAR T-Cell Therapy, GLPG5101, in Patients with Relapsed/Refractory Non-Hodgkin Lymphoma

EXHIBIT 99.1 Galapagos Announces Encouraging New Results from Ongoing Phase 1/2 Study of CD19 CAR T-Cell Therapy, GLPG5101, in Patients with Relapsed/Refractory Non-Hodgkin Lymphoma Data from the ongoing Phase 1/2 ATALANTA-1 study in a heavily pretreated R/R NHL patient population demonstrate high antitumor activity and an encouraging safety profile in all NHL subtypes studied. 96% of patients rec

November 20, 2024 S-8

As filed with the U.S. Securities and Exchange Commission on November 20, 2024

S-8 As filed with the U.S. Securities and Exchange Commission on November 20, 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 GALAPAGOS NV (Exact name of registrant as specified in its charter) Belgium Not applicable (State or other jurisdiction of incorporation or organization) (I

November 20, 2024 EX-FILING FEES

Calculation of Filing Fee Table Form S-8 (Form Type) Galapagos NV (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) Galapagos NV (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title (1) Fee  Calculation  Rule (2) Amount  Registered (3)  Proposed  Maximum  Offering Price Per Unit (2) Maximum Aggregate Offering Price (2) Fee Rate Amount of Registration Fee Equity Ordinary Shares, no par value Other 1,614,000  $29.

November 20, 2024 EX-99.3

Subscription Right Plan 2024 RMV GALAPAGOS NV General Rules

Exhibit 99.3 Free translation for information purposes only Subscription Right Plan 2024 RMV GALAPAGOS NV General Rules Free translation for information purposes only Table of Contents 1    Basis and Purpose 4 2    Definitions 4 3    Subscription Rights 6 3.1  General 6 3.2  Number per Beneficiary 6 3.3  Transfer restrictions 6 3.4  Exercise Price 6 3.5  Administration of the Subscription Right Pl

November 20, 2024 EX-99.2

Subscription Right Plan 2024 BE GALAPAGOS NV General Rules

Exhibit 99.2 Free translation for information purposes only Subscription Right Plan 2024 BE GALAPAGOS NV General Rules Free translation for information purposes only Table of Contents 1    Basis and Purpose 3 2    Definitions 3 3    Subscription Rights 5 3.1  General 5 3.2  Number per Beneficiary 5 3.3  Transfer restrictions 5 3.4  Exercise Price 5 3.5  Administration of the Subscription Right Pla

November 20, 2024 EX-99.1

Subscription Right Plan 2024 ROW GALAPAGOS NV General Rules

Exhibit 99.1 Free translation for information purposes only Subscription Right Plan 2024 ROW GALAPAGOS NV General Rules Free translation for information purposes only Table of Contents 1 Basis and Purpose 3 2 Definitions 3 3 Subscription Rights 5 3.1 General 5 3.2 Number per Beneficiary 5 3.3 Transfer restrictions 5 3.4 Exercise Price 5 3.5 Administration of the Subscription Right Plan 6 3.6 Expir

November 20, 2024 EX-4.1

GALAPAGOS Limited Liability Company With office at Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Judicial district of Mechelen (Belgium) Registered with the Register of Legal Entities under number 0466.460.429 Coordination of the Articles of A

Exhibit 4.1 Free translation from Dutch For information purposes only GALAPAGOS Limited Liability Company With office at Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Judicial district of Mechelen (Belgium) Registered with the Register of Legal Entities under number 0466.460.429 www.glpg.com ********************* Coordination of the Articles of Association per 30 April 2024 ****************

November 12, 2024 SC 13G/A

NL:GLPG / Galapagos NV / FMR LLC Passive Investment

SC 13G/A 1 filing.txt SCHEDULE 13G Amendment No.2 GALAPAGOS NV COMMON STOCK Cusip #B44170106 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #B44170106 Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 2,583,753 Item 6: 0 Item 7: 2,588,831 Item 8: 0 Item 9: 2,588,

November 6, 2024 EX-99.1

Galapagos to Present Results of Pioneering Innovation in Cancer Cell Therapy at ASH 2024

EXHIBIT 99.1 Galapagos to Present Results of Pioneering Innovation in Cancer Cell Therapy at ASH 2024 New Phase 1/2 data support the potential of our CAR T-cell therapy candidates, GLPG5101 and GLPG5201, in addressing unmet needs for patients with poor prognoses. Our innovative decentralized cell therapy manufacturing platform delivers fresh, fit cells within a median vein-to-vein time of seven da

November 6, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

October 31, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive o

October 31, 2024 EX-99.1

Galapagos Reports Third Quarter 2024 Financial Results and Provides Business Update

EXHIBIT 99.1 Galapagos Reports Third Quarter 2024 Financial Results and Provides Business Update We are advancing our pipeline and accelerating innovation through focused execution of our Forward, Faster strategy. We are committed to addressing the high unmet needs of patients through a growing cell therapy and small molecule pipeline with breakthrough potential. This includes more than 20 program

October 8, 2024 SC 13D/A

GLPG / Galapagos NV - Depositary Receipt (Common Stock) / EcoR1 Capital, LLC - SC 13D/A Activist Investment

SC 13D/A 1 tm2425722d1sc13da.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A (Amendment No. 1)* (Rule 13d-101) Information to be included in statements filed pursuant to § 240.13d-1(a) and amendments thereto filed pursuant to § 240.13d-2(a) Under the Securities Exchange Act of 1934 Galapagos NV (Name of Issuer) Ordinary Shares, no par value (Titl

October 8, 2024 EX-99.2

TRADING DATA

EX-99.2 2 tm2425722d1ex99-2.htm EXHIBIT 99.2 Exhibit 99.2 TRADING DATA Entity Trade Date Type Quantity Name of Security Average Price per Share Description EcoR1 Capital Fund, L.P. 9/9/2024 Purchase 2,955 ADS $ 28.3122 Open Market transaction on NASDAQ EcoR1 Capital Fund, L.P. 9/10/2024 Purchase 3,995 ADS $ 28.7417 Open Market transaction on NASDAQ EcoR1 Capital Fund, L.P. 9/11/2024 Purchase 1,141

October 7, 2024 EX-99.1

Galapagos welcomes Oleg Nodelman to its Board of Directors to support strategic growth

EXHIBIT 99.1 Galapagos welcomes Oleg Nodelman to its Board of Directors to support strategic growth Mechelen, Belgium; October 7, 2024, 07:00 CET — Galapagos NV (Euronext & NASDAQ: GLPG), today announced the appointment by way of co-optation of Oleg Nodelman as Non-Executive Non-Independent Director to its Board of Directors, effective October 7, 2024. Mr. Nodelman replaces Mr. Dan G. Baker who st

October 7, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive o

September 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

September 30, 2024 EX-99.1

Galapagos receives transparency notification from EcoR1 Capital

EXHIBIT 99.1 Galapagos receives transparency notification from EcoR1 Capital Mechelen, Belgium; 30 September 2024, 22:01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) received a transparency notification from EcoR1 Capital LLC. Pursuant to Belgian transparency legislation1, Galapagos received a transparency notification on 26 September 2024 on behalf of Mr. Oleg Nodelman and

September 16, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

September 16, 2024 EX-99.1

Galapagos receives transparency notification from EcoR1 Capital

EXHIBIT 99.1 Galapagos receives transparency notification from EcoR1 Capital Mechelen, Belgium; 16 September 2024, 22:01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) received a transparency notification from EcoR1 Capital LLC. Pursuant to Belgian transparency legislation1, Galapagos received a transparency notification on 13 September 2024 on behalf of Mr. Oleg Nodelman and

September 3, 2024 EX-99.1

Galapagos receives transparency notification from FMR LLC

EXHIBIT 99.1 Galapagos receives transparency notification from FMR LLC Mechelen, Belgium; 3 September 2024, 22:01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) received a transparency notification from FMR LLC. Pursuant to Belgian transparency legislation1, Galapagos received a transparency notification on 30 August 2024 from FMR LLC, who notified that it holds 2,687,116 of G

September 3, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

August 23, 2024 EX-99.1

Galapagos announces FDA clearance of IND application for Phase 1/2 ATALANTA-1 study of CD19 CAR-T, GLPG5101, in relapsed/refractory non-Hodgkin lymphoma

EXHIBIT 99.1 Galapagos announces FDA clearance of IND application for Phase 1/2 ATALANTA-1 study of CD19 CAR-T, GLPG5101, in relapsed/refractory non-Hodgkin lymphoma Mechelen, Belgium; August 23, 2024, 07:00 CET; regulated information – inside information – Galapagos NV (Euronext & NASDAQ: GLPG) today announced that the U.S. Food and Drug Administration (FDA) has cleared Galapagos’ Investigational

August 23, 2024 SC 13D

GLPG / Galapagos NV - Depositary Receipt (Common Stock) / EcoR1 Capital, LLC - SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 Galapagos NV (Name of Issuer) Ordinary Shares, no par value (Title of Class of Securities) 36315X101 (CUSIP Number) Oleg Nodelman EcoR1 Capital, LLC 357 Tehama Street #3 San Fransisco, CA 94103 (415) 448-6534 with a copy to Richard M. Brand Erica L. Hogan Cadwalader, Wicke

August 23, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-373

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive of

August 23, 2024 EX-99.1

AGREEMENT JOINT FILING OF SCHEDULE 13D

Exhibit 99.1 AGREEMENT JOINT FILING OF SCHEDULE 13D The undersigned hereby agree to jointly prepare and file with regulatory authorities this Schedule 13D and any future amendments thereto reporting each of the undersigned’s ownership of securities of Galapagos NV, and hereby affirm that such Schedule 13D is being filed on behalf of each of the undersigned pursuant to and in accordance with the pr

August 21, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-373

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive of

August 21, 2024 EX-99.1

Galapagos receives transparency notification from FMR LLC

EXHIBIT 99.1 Galapagos receives transparency notification from FMR LLC Mechelen, Belgium; 20 August 2024, 22:01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) received a transparency notification from FMR LLC. Pursuant to Belgian transparency legislation1, Galapagos received a transparency notification on 16 August 2024 from FMR LLC, who notified that it holds 3,696,750 of Gal

August 2, 2024 EX-99.2

Pioneering science to transform patient outcomes Half-year financial report 2024 Galapagos Pioneering for patients

Exhibit 99.2 Pioneering science to transform patient outcomes Half-year financial report 2024 Galapagos Pioneering for patients TABLE OF CONTENTS Table of Contents Management report Main events in the first six months of 2024 4 Financial highlights 8 The Galapagos share 14 Related party transactions 14 Risk factors 15 Disclaimer and other information 16 Financial statements Unaudited condensed con

August 2, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-373

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant’s name into English) Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium (Address of principal executive o

August 2, 2024 EX-99.1

Galapagos reports half-year 2024 financial results and provides second quarter business update

Exhibit ex99.1 Galapagos reports half-year 2024 financial results and provides second quarter business update • Executing on our Forward, Faster strategy with strong progress in a pivotal year, focused on delivering regulatory and clinical milestones, expanding our cell therapy manufacturing capabilities, and advancing our early-stage programs. • Submitted IND application to FDA for our Phase 1/2

June 17, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive offi

June 17, 2024 EX-99.1

Galapagos presents encouraging new data for CD19 CAR-T candidate GLPG5101 in non-Hodgkin lymphoma at EHA 2024

EdgarFiling EXHIBIT 99.1 Galapagos presents encouraging new data for CD19 CAR-T candidate GLPG5101 in non-Hodgkin lymphoma at EHA 2024 Mechelen, Belgium; June 14, 2024, 22:01 CET; Galapagos NV (Euronext & NASDAQ: GLPG) today announced that it will present encouraging new data from the ongoing Phase 1/2 ATALANTA-1 study of CD19 CAR-T candidate, GLPG5101, in relapsed/refractory non-Hodgkin lymphoma

May 30, 2024 EX-99.1

Galapagos and Adaptimmune sign clinical collaboration agreement with an option to exclusively license Adaptimmune’s TCR T-cell therapy candidate, uza-cel, in head & neck cancer and potential future solid tumor indications

EXHIBIT 99.1 Galapagos and Adaptimmune sign clinical collaboration agreement with an option to exclusively license Adaptimmune’s TCR T-cell therapy candidate, uza-cel, in head & neck cancer and potential future solid tumor indications Adaptimmune and Galapagos to conduct clinical proof-of-concept trial to evaluate the safety and efficacy of uza-cel (next generation MAGE-A4 TCR T-cell therapy) prod

May 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive offic

May 16, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive offic

May 16, 2024 EX-99.1

Galapagos creates new subscription right plans

EXHIBIT 99.1 Galapagos creates new subscription right plans Mechelen, Belgium; 16 May 2024, 22:01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) announced today that its Board of Directors created 1,614,000 subscription rights under new subscription right plans for the benefit of certain members of the personnel of the company and its subsidiaries. On 16 May 2024, the Board of

May 16, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive offic

May 16, 2024 EX-99.1

Galapagos and Blood Centers of America announce strategic collaboration to accelerate Galapagos’ decentralized CAR-T manufacturing network in the U.S.

EXHIBIT 99.1 Galapagos and Blood Centers of America announce strategic collaboration to accelerate Galapagos’ decentralized CAR-T manufacturing network in the U.S. BCA's national network of blood centers will provide decentralized manufacturing services for Galapagos' CAR-T product candidates, close to cancer treatment centers Collaboration enables rapid deployment of Galapagos' decentralized CAR-

May 3, 2024 EX-99.1

Galapagos reports first quarter 2024 financial results

EXHIBIT 99.1 Galapagos reports first quarter 2024 financial results Advanced potentially best-in-class cell therapy and small molecule R&D pipeline comprising four clinical assets and >15 discovery programs in oncology and immunology Executed agreements with BridGene Biosciences and Thermo Fisher Scientific, and investment in Frontier Medicines Transferred Jyseleca® business to Alfasigma S.p.A., f

May 3, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive offic

May 2, 2024 EX-99.2

SUBSEQUENT GILEAD WARRANT B – issued by – GALAPAGOS NV – dated – [date] 2024

EX-99.2 3 d829072dex992.htm EX-99.2 Exhibit 99.2 SUBSEQUENT GILEAD WARRANT B – issued by – GALAPAGOS NV – dated – [date] 2024 TABLE OF CONTENT Articles Page 1. Certain Definitions and Interpretation 1 1.1.  Certain definitions 1 1.2.  Headings 3 1.3.  Meaning of references 4 1.4.  Fractional value of Shares 4 1.5.  Language 4 2. Issuance, Nature and Form of the Warrant 5 2.1.  Issuance and nature

May 2, 2024 EX-99.1

AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13D

EX-99.1 2 d829072dex991.htm EX-99.1 Exhibit 99.1 AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13D The undersigned hereby agree to the joint filing on behalf of each of them of Amendment No. 3 to the Schedule 13D (including any and all further amendments thereto) with respect to the Ordinary Shares of Galapagos NV and further agree that this Joint Filing Agreement shall be included as an Exhibi

May 2, 2024 SC 13D/A

GLPG / Galapagos NV - Depositary Receipt (Common Stock) / GILEAD SCIENCES INC - SC 13D/A Activist Investment

SC 13D/A 1 d829072dsc13da.htm SC 13D/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 3)* GALAPAGOS NV (Name of Issuer) Ordinary Shares, no par value (Title of Class of Securities) 36315X101 (CUSIP Number) Gilead Sciences, Inc. 333 Lakeside Drive Foster City, California, 94404 650-574-3000 (Name, Address and Telephone

May 1, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024. Commission File Number: 001-37384

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024. Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant’s name into English) Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium (Address of principal executive off

May 1, 2024 EX-99.1

Galapagos’ shareholders adopt all resolutions proposed by the Board of Directors at the Annual and Extraordinary Shareholders Meetings 2024

EXHIBIT 99.1 Galapagos’ shareholders adopt all resolutions proposed by the Board of Directors at the Annual and Extraordinary Shareholders Meetings 2024 Mechelen, Belgium; 30 April 2024, 22:01 CET; Galapagos NV (Euronext & NASDAQ: GLPG) today announces that all resolutions proposed at the company’s Annual and Extraordinary Shareholders’ Meetings (AGM and EGM) held on 30 April 2024 were approved. T

May 1, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 001-3738

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive off

April 8, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 001-3738

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive off

April 8, 2024 EX-99.1

Galapagos showcases innovative approach in hematological cancer care with clinical and translational data presentations at EBMT congress 2024

EXHIBIT 99.1 Galapagos showcases innovative approach in hematological cancer care with clinical and translational data presentations at EBMT congress 2024 Two oral presentations and one poster on encore preliminary data from Phase 1/2 CD19 CAR-T studies in non-Hodgkin lymphoma (NHL) and chronic lymphocytic leukemia (CLL) / Richter transformation (RT) Mechelen, Belgium; 4 April 2024, 22:01 CET – Ga

March 29, 2024 EX-99.6

Phone: +32 (0)2 778 01 00

Exhibit 99.6 Phone: +32 (0)2 778 01 00 www.bdo.be The Corporate Village Da Vincilaan 9, Box E.6 Elsinore Building B-1930 Zaventem GALAPAGOS NV Statutory auditor’s report to the general meeting for the year ended 31 December 2023 Free translation BDO Bedrijfsrevisoren BV / BTW BE 0431.088.289 / RPR Brussel BDO Réviseurs d’Entreprises SRL / TVA BE 0431.088.289 / RPM Bruxelles BDO Bedrijfsrevisoren -

March 29, 2024 EX-99.11

Annual and Extraordinary Shareholders’ Meetings The Voting Instructions must be signed, completed and received at the indicated address prior to 10:00 A.M. (New York City time) on April 22, 2024 for action to be taken. 2024 VOTING INSTRUCTIONS AMERIC

Exhibit 99.11 Annual and Extraordinary Shareholders’ Meetings The Voting Instructions must be signed, completed and received at the indicated address prior to 10:00 A.M. (New York City time) on April 22, 2024 for action to be taken. 2024 VOTING INSTRUCTIONS AMERICAN DEPOSITARY SHARES Galapagos NV (the “Company”) ADS CUSIP No.: 36315X101. ADS Record Date: March 25, 2024 (close of business in New Yo

March 29, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Commission File Number: 001-3738

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive off

March 29, 2024 EX-99.5

ANNUAL ACCOUNTS AND OTHER DOCUMENTS TO BE FILED IN ACCORDANCE WITH THE BELGIAN COMPANIES AND ASSOCIATIONS

Exhibit 99.5 F-cap 1 ANNUAL ACCOUNTS AND OTHER DOCUMENTS TO BE FILED IN ACCORDANCE WITH THE BELGIAN COMPANIES AND ASSOCIATIONS CODE IDENTIFICATION DETAILS (at the filing date) NAME: Galapagos Legal form 1: Public limited company Address: Generaal De Wittelaan Postal code: 2800 Town: Mechelen N°. L11 , box A3 Country: Belgium Register of legal persons - commercial court:  Antwerp, division Mechelen

March 29, 2024 EX-99.1

Galapagos publishes 2023 annual report and announces Annual and Extraordinary Shareholders’ Meetings

Exhibit 99.1 Galapagos publishes 2023 annual report and announces Annual and Extraordinary Shareholders’ Meetings • Publication of annual report for financial year 2023 • Annual Shareholders’ Meeting resolutions include approval of revised Remuneration Policy and (re)appointment of Board members • Extraordinary Shareholders’ Meeting resolutions include approval of renewal of authorized capital and

March 29, 2024 EX-99.2

Pioneering science patient to transform outcomes Annual Report 2023

Exhibit 99.2 Pioneering science patient to transform outcomes Annual Report 2023 TABLE OF CONTENTS Table of Contents Our Business Disclaimer and other information 4 Our Company 7 Key achievements in 2023 15 Outlook 2024 27 Going concern statement 27 Risk management and internal control 28 Portfolio Portfolio 31 Oncology 32 Immunology 50 Risk factors Detailed description of the risk factors in Form

March 29, 2024 EX-99.3

GALAPAGOS NV Limited liability company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Company Number: 0466.460.429 RLE Antwerp - division Mechelen Invitation to the Annual and Extraordinary Shareholders’ Meetings to be held on 30 April 2024

Exhibit 99.3 Free translation from Dutch For information purposes only GALAPAGOS NV Limited liability company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Company Number: 0466.460.429 RLE Antwerp - division Mechelen Invitation to the Annual and Extraordinary Shareholders’ Meetings to be held on 30 April 2024 The Board of Directors of Galapagos NV (hereinafter the “Company”, or “Galapagos”)

March 29, 2024 EX-99.14

Gewone en Buitengewone Algemene Vergaderingen van 30 april 2024 Annual and Extraordinary Shareholders’ Meetings of 30 April 2024 Galapagos NV | Formulier stemmen per brief JAV/BAV 30 april 2024 | Voting by letter form AGM/EGM 30 April 2024 P. 1 | 13

Exhibit 99.14 Gewone en Buitengewone Algemene Vergaderingen van 30 april 2024 Annual and Extraordinary Shareholders’ Meetings of 30 April 2024 Galapagos NV | Formulier stemmen per brief JAV/BAV 30 april 2024 | Voting by letter form AGM/EGM 30 April 2024 P. 1 | 13 Stemmen per brief (enkel te gebruiken door aandeelhouders) Voting by letter (to be used by shareholders only) De ondergetekende: The und

March 29, 2024 EX-99.15

Remuneration Policy

Exhibit 99.15 Remuneration Policy 2 WWW.GLPG.COM #PioneeringForPatients This revised Remuneration Policy (‘Remuneration Policy’) of Galapagos NV (‘Galapagos’) is established in accordance with Article 7:89/1 of the Belgian Code of Companies and Associations and the 2020 Belgian Code of Corporate Governance (‘2020 Code’) and is applicable to Galapagos’ non-executive Directors and Executive Committe

March 29, 2024 EX-99.7

GALAPAGOS Limited Liability Company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Company number: 0466.460.429 RLE Antwerp, division Mechelen (the “Company”) Report of the Board of Directors in accordance with Articles 7:180, 7:191 and 7:193 o

English translation for information purposes          Exhibit 99.7 GALAPAGOS Limited Liability Company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Company number: 0466.460.429 RLE Antwerp, division Mechelen (the “Company”) Report of the Board of Directors in accordance with Articles 7:180, 7:191 and 7:193 of the Belgian Companies and Associations Code Cancellation of the preferential subs

March 29, 2024 EX-99.12

Kennisgeving van deelname (te gebruiken door houders van aandelen of inschrijvingsrechten)

Exhibit 99.12 Gewone en Buitengewone Algemene Vergaderingen van 30 april 2024 Annual and Extraordinary Shareholders’ Meetings of 30 April 2024 Kennisgeving van deelname (te gebruiken door houders van aandelen of inschrijvingsrechten) Notification of participation (to be used by holders of shares or subscription rights) De ondergetekende: The undersigned: (Naam en adres / Name and address) heeft ke

March 29, 2024 EX-99.10

Time Sensitive

Exhibit 99.10 Time Sensitive Materials Depositary’s Notice of Shareholders’ Meetings’ of Galapagos NV ADSs: American Depositary Shares (“ADSs”). ADS CUSIP No.: 36315X101. Company: Galapagos NV, a company organized and existing under the laws of the Kingdom of Belgium (the “Company”). ADS Record Date: March 25, 2024 (close of business in New York). Date used to determine ADS Holders who are to rece

March 29, 2024 EX-99.1

Galapagos appoints Andrew Dickinson as Non-Executive Non-Independent Director to its Board

EXHIBIT 99.1 Galapagos appoints Andrew Dickinson as Non-Executive Non-Independent Director to its Board Mechelen, Belgium; 26 March 2024, 21:01 CET; Galapagos NV (Euronext & NASDAQ: GLPG) today announced that during its meeting of 26 March 2024, the Board of Directors appointed Mr. Dickinson as Non-Executive Non-Independent Director by way of cooptation. Andrew Dickinson is Gilead's Chief Financia

March 29, 2024 EX-99.13

GALAPAGOS Naamloze Vennootschap / Limited Liability Company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium RPR / RLE Antwerp, division Mechelen 0466.460.429 Op 28 maart 2024 bedraagt het totaal aantal aandelen en stemrechten van Galapagos NV On

Exhibit 99.13 GALAPAGOS Naamloze Vennootschap / Limited Liability Company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium RPR / RLE Antwerp, division Mechelen 0466.460.429 Op 28 maart 2024 bedraagt het totaal aantal aandelen en stemrechten van Galapagos NV 65.897.071 On 28 March 2024, the total number of shares and voting rights of Galapagos NV amounts to 65,897,071

March 29, 2024 EX-99.8

Phone : +32 (0)2 778 01 00

Exhibit 99.8 Phone : +32 (0)2 778 01 00 www.bdo.be The Corporate Village Da Vincilaan 9, Box E.6 Elsinore Building B-1930 Zaventem GALAPAGOS NV Report addressed to the general meeting concerning the financial and accounting data included in the report of the administrative body in accordance with of articles 7:180 CCA (issuance of subscription rights) and 7:191 (cancellation of the preferential su

March 29, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024. Commission File Number: 001-373

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024. Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant’s name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive of

March 29, 2024 EX-99.4

Gewone en Buitengewone Algemene Vergaderingen van 30 april 2024 Annual and Extraordinary Shareholders’ Meetings of 30 April 2024 Volmacht Proxy (enkel te gebruiken door aandeelhouders) (to be used by shareholders only) De ondergetekende: The undersig

Exhibit 99.4 Gewone en Buitengewone Algemene Vergaderingen van 30 april 2024 Annual and Extraordinary Shareholders’ Meetings of 30 April 2024 Volmacht Proxy (enkel te gebruiken door aandeelhouders) (to be used by shareholders only) De ondergetekende: The undersigned: (Naam en adres / Name and address) hierin optredend als lastgever, herein acting as grantor of a proxy, eigenaar van het volgende aa

March 29, 2024 EX-99.9

GALAPAGOS Limited Liability Company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Company number: 0466.460.429 RLE Antwerp (division Mechelen) Report of the Board of Directors in accordance with Article 7:199 of the Belgian Companies and Assoc

Exhibit 99.9 English translation for information purposes          GALAPAGOS Limited Liability Company Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium Company number: 0466.460.429 RLE Antwerp (division Mechelen) Report of the Board of Directors in accordance with Article 7:199 of the Belgian Companies and Associations Code Dear shareholders, In accordance with the provisions of article 7:199

March 28, 2024 EX-15.2

March 28, 2024

EXHIBIT 15.2 March 28, 2024 Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-7561 Dear Sirs/Madams: We have read Item 16F of Galapagos NV's Form 20-F dated March 28, 2024, and have the following comments: 1.We agree with the statements made in the first, third, fourth and fifth paragraphs. 2.We have no basis on which to agree or disagree with the statements made in the

March 28, 2024 EX-4.60

Subscription Right Plan 2023 RMV GALAPAGOS NV General Rules

Free translation for information purposes only Exhibit 4.60 Subscription Right Plan 2023 RMV GALAPAGOS NV General Rules Free translation for information purposes only Table of Contents 1 Basis and Purpose 4 2 Definitions 4 3 Subscription Rights 6 3.1 General 6 3.2 Number per Beneficiary 6 3.3 Transfer restrictions 6 3.4 Exercise Price 6 3.5 Administration of the Subscription Right Plan 6 3.6 Expir

March 28, 2024 EX-2.3

DESCRIPTION OF SECURITIES

Exhibit 2.3 DESCRIPTION OF SECURITIES The following description of the securities registered under Section 12 of the Securities Exchange Act of 1934 of Galapagos NV (“Galapagos,” “us,” “our,” “we” or the “Company”) is a summary of the rights of our ordinary shares and certain provisions of our articles of association in effect as of March 20, 2023. This summary does not purport to be complete and

March 28, 2024 EX-4.47

Subscription Right Plan 2022 (A) GALAPAGOS NV General Rules

Free translation for information purposes only ‌ Exhibit 4.47 Subscription Right Plan 2022 (A) GALAPAGOS NV General Rules Free translation for information purposes only ‌ Table of Contents 1 Basis and Purpose‌3 2 Definitions‌3 3 Subscription Rights‌4 3.1 General‌4 3.2 Number per Beneficiary‌4 3.3 Transfer restrictions‌5 3.4 Exercise Price‌5 3.5 Administration of the Subscription Right Plan‌5 4 Ben

March 28, 2024 EX-4.61

Subscription Right Plan 2023 ROW GALAPAGOS NV General Rules

Free translation for information purposes only Exhibit 4.61 Subscription Right Plan 2023 ROW GALAPAGOS NV General Rules Free translation for information purposes only Table of Contents 1 Basis and Purpose 4 2 Definitions 4 3 Subscription Rights 6 3.1 General 6 3.2 Number per Beneficiary 6 3.3 Transfer restrictions 6 3.4 Exercise Price 6 3.5 Administration of the Subscription Right Plan 7 3.6 Expir

March 28, 2024 EX-12.1

Certification by the Principal Executive Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.1 Certification by the Principal Executive Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Stoffels IMC BV, permanently represented by Dr. Paul Stoffels, certify that: 1. I have reviewed this annual report on Form 20-F of Galapagos NV; 2. Based on my knowledge, this report does not contain

March 28, 2024 EX-97.1

COMPENSATION RECOVERY POLICY Adopted as of September 19, 2023

Exhibit 97.1 COMPENSATION RECOVERY POLICY Adopted as of September 19, 2023 Galapagos NV, a limited liability company incorporated in Belgium (the “Company”), acting on its own behalf and on behalf of its subsidiaries with whom Executive Officers as defined below have entered into service agreements regarding their Executive Officer role, has adopted a Compensation Recovery Policy (this “Policy”) a

March 28, 2024 EX-13.1

Certification by the Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 Certification by the Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the annual report of Galapagos NV (the “Company”) on Form 20-F for the fiscal year ended December 31, 2023 as filed with the U.S. Securities and Exchange Commission on the date hereof (the “Report”), I, Stoffels IM

March 28, 2024 EX-4.58

Restricted Stock Units/Retention Plan 2023 – Participants’ Guide

Exhibit 4.58 Confidential RSU/Retention 2023 Restricted Stock Units/Retention Plan 2023 – Participants’ Guide This multi-year Plan is intended to provide certain members of the Executive Committee and certain employees of Galapagos or its Affiliates the opportunity to receive Restricted Stock Units as a long-term incentive. Its purpose is to retain and encourage Participants to contribute to the p

March 28, 2024 EX-15.3

Consent of Independent Registered Public Accounting Firm

EXHIBIT 15.3 Consent of Independent Registered Public Accounting Firm We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-204567, 333-208697, 333-211834, 333-215783, 333-218160, 333-225263, 333-231765, 333-249416, 333-260500, 333-268756 and 333-275886) of Galapagos NV of our reports dated March 28, 2024, relating to the consolidated financial sta

March 28, 2024 EX-13.2

Certification by the Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 Certification by the Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the annual report of Galapagos NV (the “Company”) on Form 20-F for the fiscal year ended December 31, 2023 as filed with the U.S. Securities and Exchange Commission on the date hereof (the “Report”), I, Thad Huston

March 28, 2024 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement Nos. 333-268756, 333-260500, 333-249416, 333-231765, 333-225263, 333-218160, 333-215783, 333-211834, 333-208697, 333-204567 and 333-275886 on Form S-8 of our report dated March 23, 2023 (March 28, 2024 as to the effects of the discontinued operations describe

March 28, 2024 EX-12.2

Certification by the Principal Financial Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.2 Certification by the Principal Financial Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Thad Huston, certify that: 1. I have reviewed this annual report on Form 20-F of Galapagos NV; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to

March 28, 2024 EX-4.59

Subscription Right Plan 2023 BE GALAPAGOS NV General Rules

EXHIBIT 4.59 Free translation for information purposes only Subscription Right Plan 2023 BE GALAPAGOS NV General Rules Free translation for information purposes only Table of Contents 1 Basis and Purpose 3 2 Definitions 3 3 Subscription Rights 5 3.1 General 5 3.2 Number per Beneficiary 5 3.3 Transfer restrictions 5 3.4 Exercise Price 5 3.5 Administration of the Subscription Right Plan 6 3.6 Expira

March 28, 2024 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ 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

March 28, 2024 EX-4.57

Restricted Stock Units/Long-Term Incentive Plan 2023 – Participants’ Guide

EXHIBIT 4.57 Confidential RSU/LTIP 2023 Restricted Stock Units/Long-Term Incentive Plan 2023 – Participants’ Guide This multi-year Plan is intended to provide certain members of the Executive Committee and certain employees of Galapagos or its Affiliates the opportunity to receive Restricted Stock Units as a long-term incentive. Its purpose is to retain and encourage Participants to contribute to

February 23, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

February 23, 2024 EX-99.1

Galapagos announces full year 2023 results and outlook for 2024

EXHIBIT 99.1 Galapagos announces full year 2023 results and outlook for 2024 Full year 2023 key financials: Group net revenues of €783.5 million, including Jyseleca® net sales of €112.3 million Cash and current financial investments of €3.7 billion on 31 December 2023 Operational cash burni of €414.8 million, within guidance 2023 and year-to-date key updates: Transferred Jyseleca® business, includ

February 16, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive

February 16, 2024 EX-99.1

Galapagos presents at EBMT-EHA annual meeting 2024

EXHIBIT 99.1 Galapagos presents at EBMT-EHA annual meeting 2024 Showcases meaningful advances in decentralized CAR T-cell manufacturing and presents translational and clinical data from ongoing Phase 1/2 CD19 CAR-T studies Mechelen, Belgium; 15 February 2024, 22:01 CET; Galapagos NV (Euronext & NASDAQ: GLPG) to present new preliminary translational data and previously disclosed data at the Europea

February 14, 2024 SC 13G/A

GLPG / Galapagos NV - Depositary Receipt (Common Stock) / EcoR1 Capital, LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2) Galapagos NV (Name of Issuer) Ordinary Shares, no par value (Title of Class of Securities) 36315X1011 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

February 9, 2024 SC 13G/A

NL:GLPG / Galapagos NV / FMR LLC Passive Investment

SC 13G/A 1 filing.txt SCHEDULE 13G Amendment No.1 GALAPAGOS NV COMMON STOCK Cusip #B44170106 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #B44170106 Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 5,085,075 Item 6: 0 Item 7: 5,095,393 Item 8: 0 Item 9: 5,095,

February 6, 2024 EX-99.1

Galapagos completes transaction to transfer Jyseleca® business to Alfasigma

EXHIBIT 99.1 Galapagos completes transaction to transfer Jyseleca® business to Alfasigma Mechelen, Belgium; 31 January 2024, 22:01 CET; Galapagos NV (Euronext & NASDAQ: GLPG) today announced the successful completion of the transaction to transfer its Jyseleca® (filgotinib) business to Alfasigma S.p.A. As previously announced, the transfer includes the entire Jyseleca® business, including the Euro

February 6, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 001-37384 GALAPAGOS NV (Translation of registrant's name into English) Generaal De Wittelaan L11 A3 2800 Mechelen, Belgium (Address of principal executive o

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