Company: GLPG
Filing Date: 2025-07-23
Form Type: 6-K
Source: 0001171843-25-004647
Chunk: 0

Company: GALAPAGOS NV
Filing Date: 2025-07-23
Form: 6-K
Chunk 0
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 6-K

<div align='center'>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
office)</div>

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 from Jérôme Contamine 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 July 23, 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 July 23, 2025

<div align='center'>SIGNATURES</div>

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.

| Date: July 23, 2025 |     | GALAPAGOS NV          
 (Registrant)          
 /s/ Annelies Denecker |
|:--------------------|:----|:----------------------|
|                     |     | Annelies Denecker     |
|                     |     | Company Secretary     |