Andrew R. Allen - Aug 7, 2025 Form 4 Insider Report for Cullinan Therapeutics, Inc. (CGEM)

Role: Director
Signature: /s/ Jacquelyn Sumer, Attorney-in-Fact
Issuer symbol: CGEM
Transactions as of: Aug 7, 2025
Transactions value $: $0
Form type: 4
Date filed: 8/8/2025, 05:30 PM
Previous filing: Jul 1, 2024
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Allen Andrew R	Director	C/O CULLINAN THERAPEUTICS, INC., ONE MAIN STREET, SUITE 1350, CAMBRIDGE	/s/ Jacquelyn Sumer, Attorney-in-Fact	2025-08-08	0001374539

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CGEM	Stock Option (Right to Buy)	Award	$0	+79.5K		$0.00	79.5K	Aug 7, 2025	Common Stock	79.5K	$7.03	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The option represents a right to purchase a total of 79,456 shares of the Issuer's common stock, which shall vest as to one-third of the shares underlying the option on each of the first, second and third anniversaries of the grant date of the award, subject to the Reporting Person's continued service as a director on each such vesting date.