INKT · MiNK Therapeutics, Inc.

The reported transaction reflects the sale of Common Stock received by Ms. Ryan as compensation for services rendered as a member of the MiNK Therapeutic Inc.'s Board of Directors.

The reported transaction reflects the sale of Common Stock received by Ms. Ryan as compensation for services rendered as a member of the MiNK Therapeutic Inc.'s Board of Directors.

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.

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.

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.

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.

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.

The reported transaction reflects the sale of Common Stock received by Ms. Ryan as compensation for services rendered as a member of the MiNK Therapeutic Inc.'s Board of Directors.

The reported transaction reflects the sale of Common Stock received by Ms. Ryan as compensation for services rendered as a member of the MiNK Therapeutic Inc.'s Board of Directors.

The reported transaction reflects the sale of Common Stock received by Ms. Ryan as compensation for services rendered as a member of the MiNK Therapeutic Inc.'s Board of Directors.

The reported transaction reflects the sale of Common Stock received by Ms. Ryan as compensation for services rendered as a member of the MiNK Therapeutic Inc.'s Board of Directors.

Due to an administrative error, the RSUs for Q1 2026 Board and committee compensation were not filed timely.

Due to an administrative error, the RSUs for Q1 2026 Board and committee compensation were not filed timely.

Due to an administrative error, the RSUs for Q1 2026 Board and committee compensation were not filed timely.

Due to an administrative error, the RSUs for Q1 2026 Board and committee compensation were not filed timely.

Due to an administrative error, the RSUs for Q1 2026 Board and committee compensation were not filed timely.

These shares were withheld for payment of the withholding taxes in relation to the stock issued to the reporting person on January 2, 2026, as previously reported on the Form 4 filed on January 6, 2026 (the "Original Form 4"). The Original Form 4 did not include the shares withheld for payment of withholding taxes in Table I. This amendment is being filed to correct this error.

Option vests on February 2, 2026, provided that the Reporting Person continues to serve on the Issuer's Board of Directors through such date.

Option vests on February 2, 2026, provided that the Reporting Person continues to serve on the Issuer's Board of Directors through such date.

Option vests on February 2, 2026, provided that the Reporting Person continues to serve on the Issuer's Board of Directors through such date.

Option vests on February 2, 2026, provided that the Reporting Person continues to serve on the Issuer's Board of Directors through such date.

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.

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.

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.

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.

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.

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.

The Stock Options were awarded in accordance with the MiNK Therapeutics Inc. 2021 Amended and Restated Equity Incentive Plan on September 23, 2025 and will vest in three equal annual installments on each of September 23, 2026, 2027 and 2028 (provided Dr. Holcomb maintains a service relationship with the company through each such vesting date).

These shares were withheld for payment of the withholding taxes in relation to the stock issued to reporting person on September 9, 2025, as previously reported on the Form 4 filed on September 11, 2025 (the "Original Form 4"). The Original Form 4 did not include the shares withheld for payment of withholding taxes in Table I. This amendment is being filed to correct this error.

The option vests in full on the one-year anniversary of the date of grant, provided that the Reporting Person continues to serve on the Issuer's Board of Directors through such date.

The option vests in full on the one-year anniversary of the date of grant, provided that the Reporting Person continues to serve on the Issuer's Board of Directors through such date.

The option vests in full on the one-year anniversary of the date of grant, provided that the Reporting Person continues to serve on the Issuer's Board of Directors through such date.

The option vests in full on the one-year anniversary of the date of grant, provided that the Reporting Person continues to serve on the Issuer's Board of Directors through such date.

The option vests in full on the one-year anniversary of the date of grant, provided that the Reporting Person continues to serve on the Issuer's Board of Directors through such date.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.