Jacquelyn Sumer - Feb 17, 2023 Form 4 Insider Report for Cullinan Oncology, Inc. (CGEM)

Role: Chief Legal Officer
Signature: /s/ Jacquelyn Sumer
Stock symbol: CGEM
Transactions as of: Feb 17, 2023
Transactions value $: $0
Form type: 4
Date filed: 2/21/2023, 05:54 PM
Previous filing: Aug 16, 2022
Next filing: Mar 27, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CGEM	Common Stock	Award	$0	+47K		$0.00	47K	Feb 17, 2023	Direct	F1

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	+93.5K		$0.00	93.5K	Feb 17, 2023	Common Stock	93.5K	$11.34	Direct	F2

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

Explanation of Responses:

Id	Content
F1	The shares underlying the restricted stock unit vest over four years, with one forty-eighth (1/48th) of the shares vesting in equal monthly installments until the fourth anniversary of the grant date.
F2	The shares underlying the option vest over four years, with one forty-eighth (1/48th) of the shares vesting in equal monthly installments until the fourth anniversary of the grant date.