SD

ASCENDIS PHARMA A/S

Date: May 22, 2026

/s/ Michael Wolff Jensen

Michael Wolff Jensen

Executive Vice President, Chief Legal Officer

SD 1 d227592dsd.htm SD SD

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM SD

Specialized Disclosure Report

ASCENDIS PHARMA A/S

(Exact name of registrant as specified in its charter)

The Kingdom of Denmark

001-36815

N/A

(State or other jurisdiction

of incorporation)

(Commission

File No.)

(I.R.S. Employer

Identification No.)

Tuborg Boulevard 12

DK-2900 Hellerup, Denmark

(Address of principal executive offices)

Jan Møller Mikkelsen

President and Chief Executive Officer

Tuborg Boulevard 12

DK-2900 Hellerup, Denmark

Telephone: +45 70 22 22 44

(Name and telephone number, including area code, of the person to contact in connection with this report.)

Check the appropriate box to indicate the rule pursuant to which this form is being filed, and provide the period to which the information in this form applies:

☒	Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, 2025.

☐	Rule 13q-1 under the Securities Exchange Act (17 CFR 240.13q-1) for the fiscal year ended __________.

SECTION 1—CONFLICT MINERALS DISCLOSURE

Item 1.01 Conflict Minerals Disclosure and Report

The Conflict Minerals Report of the registrant is filed as Exhibit 1.01 to this report on Form SD. The Conflict Minerals Report is available on our website on the SEC Filings page of the Investor Relations section of our website at https://investors.ascendispharma.com/. The content of any website referenced in this Form SD is included for general information only and is not incorporated by reference in this Form SD.

Item 1.02 Exhibit

See Item 1.01.

SECTION 2—RESOURCE EXTRACTION ISSUER DISCLOSURE

Item 2.01 Resource Extraction Issuer Disclosure and Report

Not applicable.

SECTION 3—EXHIBITS

Item 3.01—Exhibits


Exhibit Number		Description

1.01		Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form.

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 duly authorized undersigned.

SEC Form SD filed by Ascendis Pharma A/S