SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549
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FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

For October 15, 2025

Commission File Number 001-33463

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ASML Holding N.V.

De Run 6501

5504 DR Veldhoven

The Netherlands

(Address of principal executive offices)

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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 ¨

Indicate by check mark if the registrant is submitting the Form 6-K on paper as permitted by Regulation S-T Rule 101(b)(1): ¨

Indicate by check mark if the registrant is submitting the Form 6-K on paper as permitted by Regulation S-T Rule 101(b)(7): ¨

EXHIBITS 99.1 AND 99.3 TO THIS REPORT ON FORM 6-K ARE INCORPORATED BY REFERENCE IN THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-116337), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-126340), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-136362), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-141125), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-142254), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-144356), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-147128), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-153277), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-162439), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-170034), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-188938), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-190023), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-192951), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-203390), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-219442) AND THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-227464) OF ASML HOLDING N.V. AND IN THE OUTSTANDING PROSPECTUSES CONTAINED IN SUCH REGISTRATION STATEMENTS.

Exhibits

99.1 “ASML reports €7.5 billion total net sales and €2.1 billion net income in Q3 2025. Full-year 2025 expected total net sales growth of around 15% with gross margin around 52%", press release dated October 15, 2025

99.2 “ASML reports €7.5 billion total net sales and €2.1 billion net income in Q3 2025. Full-year 2025 expected total net sales growth of around 15% with gross margin around 52%", presentation dated October 15, 2025

99.3 Summary US GAAP Consolidated Financial Statements

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.

ASML HOLDING N.V. (Registrant)

Date: October 15, 2025 By: /s/ Christophe D. Fouquet

Christophe D. Fouquet

Chief Executive Officer

ASML HOLDING NV 6-K