MiNK CEO gets stock bonus and 50,000 options

MiNK Therapeutics, Inc. reported that Chief Executive Officer Jennifer Buell received new equity awards.

Rhea-AI Filing Summary

MiNK Therapeutics, Inc. reported that Chief Executive Officer Jennifer Buell received new equity awards. On January 2, 2026, she was granted 50,000 stock options with an exercise price of $11.12 per share, exercisable over a three-year vesting schedule, with one-third vesting on the one-year anniversary of the grant date and the remainder in eight equal quarterly installments.

On the same date, she also acquired 31,474 shares of common stock as her 2025 performance bonus, valued at $11.12 per share, which was the fair market value on the issuance date. These bonus shares are fully vested but subject to a lockup, with 100% of the award released on February 2, 2026. Following the stock grant, she directly owned 67,966 common shares.

Insider Trade Summary

Grant/Award: 81,474 shares

Grant/Award 2 txns

Insider Buell Jennifer

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	50,000	$0.00	$0.00
Grant/Award	Common Stock	31,474	$11.12	$350K

Holdings After Transaction: Stock Option (Right to Buy) — 50,000 contracts (Direct); Common Stock — 67,966 shares (Direct)

Footnotes (3)

1. F1. Reflects the executive's 2025 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 100% of the award released on February 2, 2026.
2. F2. $11.12 was the fair market value of MiNK Therapeutics, Inc. Common Stock on January 2, 2026, the stock issuance date.
3. F3. The option vests over a three-year period, with one-third of the options vesting on the one-year anniversary of the date of grant, with the remainder vesting in eight equal quarterly installments thereafter.

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Accepted by SEC EDGAR 01/06/2026 - 05:27 PM Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Buell Jennifer

(Last) (First) (Middle)

149 FIFTH AVENUE, SUITE 500

(Street)

NEW YORK NY 10010

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MiNK Therapeutics, Inc. [ INKT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
01/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	01/02/2026		A		31,474	A	$11.12(2)	67,966	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$11.12	01/02/2026		A		50,000		(3)	01/02/2036	Common Stock	50,000	$0	50,000	D

Explanation of Responses:

1. Reflects the executive's 2025 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 100% of the award released on February 2, 2026.

2. $11.12 was the fair market value of MiNK Therapeutics, Inc. Common Stock on January 2, 2026, the stock issuance date.

3. The option vests over a three-year period, with one-third of the options vesting on the one-year anniversary of the date of grant, with the remainder vesting in eight equal quarterly installments thereafter.

	By: /s/ Austin Charette, Attorney-in-Fact	01/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.