Matthew Ros - Oct 1, 2021 Form 4 Insider Report for Cogent Biosciences, Inc. (COGT)

Role: Director
Signature: /s/ Ryan Murr, Attorney-in-Fact
Stock symbol: COGT
Transactions as of: Oct 1, 2021
Transactions value $: $12,393
Form type: 4
Date filed: 10/5/2021, 07:11 PM
Previous filing: Aug 18, 2021
Next filing: Jan 4, 2022

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	COGT	Stock Option (Right to Buy)	Award	$12.4K	+2.46K		$5.03	2.46K	Oct 1, 2021	Common Stock	2.46K	$8.54	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	The option award was issued to the Reporting Person, who elected to take shares in lieu of cash compensation for services as a director, pursuant to the Issuer's non-employee director compensation plan. The number of options granted was determined by dividing the cash compensation otherwise payable with respect to the quarter by the Black-Scholes value of a single option calculated as of the date of the grant.
F2	This option is fully vested at time of grant.

Content

The option award was issued to the Reporting Person, who elected to take shares in lieu of cash compensation for services as a director, pursuant to the Issuer's non-employee director compensation plan. The number of options granted was determined by dividing the cash compensation otherwise payable with respect to the quarter by the Black-Scholes value of a single option calculated as of the date of the grant.

This option is fully vested at time of grant.