8-K

Ultragenyx Pharmaceutical Inc. (RARE)

8-K 2023-03-23 For: 2023-03-20
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Added on April 09, 2026

UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): March 20, 2023

Ultragenyx Pharmaceutical Inc.

(Exact name of Registrant as Specified in Its Charter)

Delaware 001-36276 27-2546083
(State or Other Jurisdiction<br>of Incorporation) (Commission File Number) (IRS Employer<br>Identification No.)
60 Leveroni Court
Novato, California 94949
(Address of Principal Executive Offices) (Zip Code)
Registrant’s Telephone Number, Including Area Code: 415 483-8800
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(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading<br>Symbol(s) Name of each exchange on which registered
Common Stock, $0.001 par value RARE Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(b) On March 20, 2023, Lars Ekman, M.D., Ph.D. notified Ultragenyx Pharmaceutical Inc. (the “Company”) of his decision to retire from the Board of Directors of the Company (the “Board”), effective immediately after the Company’s 2023 Annual Meeting of Stockholders, currently scheduled for June 7, 2023. Dr. Ekman’s decision to retire from the Board is for personal reasons and is not related to any disagreement with the Company or its management on the Company’s operation, policies, or practices.

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 hereunto duly authorized.

Ultragenyx Pharmaceutical Inc.
Date: March 23, 2023 By: /s/ Emil D. Kakkis, M.D., Ph.D.
Emil D. Kakkis, M.D., Ph.D.<br>President and Chief Executive Officer