Shefali Agarwal - 01 Jun 2021 Form 4 Insider Report for Gritstone bio, Inc. (GRTS)

Role: Director
Signature: /s/ Rahsaan Thompson, Attorney-in-Fact for Shefali Agarwal
Issuer symbol: GRTS
Transactions as of: 01 Jun 2021
Net transactions value: $0
Form type: 4
Filing time: 19 Nov 2021, 16:48:52 UTC
Next filing: 04 Jun 2021
SEC: View on sec.gov

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	GRTS	Stock Option (Right to Buy)	Award	$0	+38,000		$0.000000	38,000	01 Jun 2021	Common Stock	38,000	$9.48	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Shares subject to the stock option vest and become exercisable on a monthly basis in equal monthly installments over a 36 month period commencing on the grant date, so that all shares subject to the stock option will become fully vested and exercisable on the third anniversary of the grant date, subject to the Reporting Person remaining a service provider through each monthly anniversary of the grant date.

Content

Shares subject to the stock option vest and become exercisable on a monthly basis in equal monthly installments over a 36 month period commencing on the grant date, so that all shares subject to the stock option will become fully vested and exercisable on the third anniversary of the grant date, subject to the Reporting Person remaining a service provider through each monthly anniversary of the grant date.