Galapagos files December 2025 Form 6-K update

Galapagos NV submitted a Form 6-K as a foreign private issuer, confirming it files annual reports on Form 20-F. The filing states that a press release dated December 18, 2025, attached as Exhibit 99.1, has been furnished.

Accepted by SEC EDGAR 12/18/2025 - 04:32 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Galapagos NV submitted a Form 6-K as a foreign private issuer, confirming it files annual reports on Form 20-F. The filing states that a press release dated December 18, 2025, attached as Exhibit 99.1, has been furnished. The company also explains that the information in this Form 6-K, including Exhibit 99.1 but excluding specific quotes from Dr. Rohit Aggarwal and Henry Gosebruch, is incorporated by reference into multiple Galapagos employee share-based compensation registration statements on Form S-8.

FAQ

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What does Galapagos (GLPG) report in this December 2025 Form 6-K?

The Form 6-K from Galapagos (GLPG) reports that the company has furnished a press release dated December 18, 2025 as Exhibit 99.1 and that the information in the report, including the exhibit (with limited exceptions), is incorporated by reference into several existing Form S-8 registration statements.

Which SEC annual report form does Galapagos (GLPG) use?

Galapagos (GLPG) confirms in this filing that it files its annual reports with the SEC under cover of Form 20-F, not Form 40-F.

What is Exhibit 99.1 in Galapagos (GLPG)'s December 2025 Form 6-K?

Exhibit 99.1 to this Form 6-K is a press release dated December 18, 2025 issued by Galapagos. The exhibit is attached to the filing and is incorporated by reference into the company’s Form S-8 registration statements, except for specified quoted remarks.

How is this Galapagos (GLPG) Form 6-K used in the company’s Form S-8 registrations?

The filing states that the information in this Form 6-K and Exhibit 99.1, excluding quotes from Dr. Rohit Aggarwal and Henry Gosebruch, is incorporated by reference into multiple Galapagos Form S-8 registration statements covering its equity compensation plans.

Who signed the December 18, 2025 Galapagos (GLPG) Form 6-K?

The Form 6-K was signed on behalf of Galapagos by Annelies Denecker, who is identified as the Company Secretary, dated December 18, 2025.

Does the December 2025 Galapagos (GLPG) Form 6-K describe any major transactions or earnings?

This Form 6-K focuses on furnishing a press release and incorporating its contents into existing Form S-8 registration statements; it does not itself describe specific major transactions or earnings figures in the provided excerpt.

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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 office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F [ X ]      Form 40-F [   ]

The information contained in this Report on Form 6-K, including Exhibit 99.1, except for the quotes of Dr. Rohit Aggarwal and Henry Gosebruch, included in Exhibit 99.1, is hereby incorporated by reference into the Company's Registration Statements on Form S-8 (File Nos. 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).

On December 18, 2025, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

(c) Exhibit 99.1. Press release dated December 18, 2025

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		GALAPAGOS NV
		(Registrant)
Date: December 18, 2025		/s/ Annelies Denecker
		Annelies Denecker
		Company Secretary