X0306 4 2023-03-01 0 0001840229 MiNK Therapeutics, Inc. INKT 0001187314 WIINBERG ULF 149 FIFTH AVENUE, SUITE 500 NEW YORK NY 10010 1 0 0 0 Common Stock 2023-03-01 4 A 0 6699 2.09 A 42751 D Common Stock 278300 I See Footnote The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date. Shares are held in an irrevocable trust for the benefit of Mr. Wiinberg's family. By: /s/ Christine Klaskin, Attorney-in-Fact 2023-03-03