X0306 4 2023-01-09 0 0001840229 MiNK Therapeutics, Inc. INKT 0001881659 van Dijk Marcus Antonius 149 FIFTH AVENUE, SUITE 500 NEW YORK NY 10010 0 1 0 0 Chief Scientific Officer Common Stock 2023-01-09 4 A 0 51628 2.32 A 51628 D Common Stock 2023-01-09 4 F 0 24265 2.32 D 27363 D Reflects the executive's 2022 performance bonus award paid in MiNK Therapeutics, Inc. common stock. The stock issued is fully-vested on the date of issuance but is subject to a lockup restriction with 50% of the award released on March 24, 2023 and 50% of the award released on June 24, 2023. $2.32 was the fair market value of MiNK Therapeutics, Inc. Common Stock on January 9, 2023, the stock issuance date. Represents payment of tax liability by withholding shares of common stock incident to the vesting of stock. By: /s/ Christine Klaskin, Attorney-in-Fact for Marcus Antonius van Dijk 2023-01-12