MiNK Therapeutics Inc. filed SEC Form 8-K: Leadership Update

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

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

MiNK Therapeutics, Inc.

(Exact name of Registrant as Specified in Its Charter)

(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:

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

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.

On December 29, 2025, Robert Kadlec, MD, resigned from the Board of Directors of MiNK Therapeutics, Inc. (the “Company”), including all committees thereof, effective December 29, 2025, in connection with his acceptance of a senior public service role within the United States government as Assistant Secretary of War for Nuclear Deterrence and Chemical and Biological Defense Policy and Programs.

Dr. Kadlec joined the Company’s Board in October 2024 and contributed valuable perspective informed by his extensive experience in medicine, public health preparedness, and national service. His resignation is associated with his acceptance of a senior public service role of significant responsibility and distinction, consistent with his long-standing commitment to service. The Company congratulates Dr. Kadlec on this appointment and expresses its sincere appreciation for his engagement, perspective, and counsel during his time on the Board.

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.