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 March 11, 2026

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): ¨

EXHIBIT 99.1 TO THIS REPORT ON FORM 6-K IS INCORPORATED BY REFERENCE IN THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-203390), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-219442), THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-227464) AND THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-291580) OF ASML HOLDING N.V. AND IN THE OUTSTANDING PROSPECTUSES CONTAINED IN SUCH REGISTRATION STATEMENTS.

Exhibits

99.1 “ASML publishes agenda Annual General Meeting 2026”, press release dated March 9, 2026

99.2 Notice Annual General Meeting 2026 of ASML Holding N.V.

99.3 Agenda, including Explanatory Notes to ASML Annual General Meeting 2026

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: March 11, 2026 By: /s/ Christophe D. Fouquet

Christophe D. Fouquet

Chief Executive Officer

ASML HOLDING NV 6-K