UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

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

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of May, 2026

Commission File Number: 001-36815

Ascendis Pharma A/S

(Translation of registrant’s name into English)

Tuborg Boulevard 12

DK-2900 Hellerup

Denmark

(Address of principal executive offices)

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 ☒ Form 40-F ☐

~~Furnished~~INCORPORATION asBY ~~Exhibit~~REFERENCE 99.1 to this Report on Form 6-K is a press release of Ascendis Pharma A/S (the “Company”) dated May 7, 2026, announcing the Company’s financial results for the fiscal quarter ended March 31, 2026.

This report on Form 6-K shall be deemed to be incorporated by reference into the registration statements on Form S-8 (Registration Numbers 333-203040, 333-210810, 333-211512, 333-213412, 333-214843, 333-216883, 333-228576, 333-254101, 333-261550, 333-270088, 333-277519, 333-281916, 333-285322 and 333-293854) and Form F-3 (Registration Numbers 333-209336 and 333-282196) of Ascendis Pharma A/S (the “Company”) (including any prospectuses forming a part of such registration statements) and to be a part thereof from the date on which this report is filed, to the extent not superseded by documents or reports subsequently filed or furnished.

Warrant Grants

On May 12, 2026, the Company’s board of directors granted an aggregate of 31,250 warrants to certain employees of the Company (the “Warrants”) under the terms of Appendix 1a to the Company’s Articles of Association. In connection with the grant of these Warrants, the Company amended its Articles of Association to provide for the grant of these Warrants. Each Warrant confers the right to subscribe for one ordinary share of the Company and has an exercise price equal to US $237.65 per share, the closing price of the Company’s ordinary shares as reported on the date of grant. Subject to earlier vesting upon the occurrence of certain exit events, 25% of the Warrants will vest on the one year anniversary of the date of grant and the remaining 75% will vest at a rate of 1/36th per month from one year after the date of grant, subject to continued service.

After giving effect to the grant of the Warrants described above, warrants to subscribe for an additional 1,580,593 shares of the Company remain available for future grant by the Company’s board of directors pursuant to the Company’s Articles of Association. The foregoing description of the material terms of the Warrants is qualified in its entirety by reference to the Company’s Articles of Association, which is included as Exhibit 1.1 hereto and incorporated by reference herein.

Exhibits

ExhibitNo.		Description
99.1		Press Release dated May 7, 2026.
1.1		Articles of Association.

SIGNATURES

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

Ascendis Pharma A/S

Date: May 7, 2026

/s/ Michael Wolff Jensen

Date: May 13, 2026

/s/ Michael Wolff Jensen

Michael Wolff Jensen

Executive Vice President, Chief Legal Officer

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