Clare Fisher - 01 Jan 2022 Form 4 Insider Report for Gritstone bio, Inc.

Role: Director
Signature: /s/ Rahsaan Thompson, Attorney-in-Fact for Clare Fisher
Issuer symbol: N/A
Transactions as of: 01 Jan 2022
Net transactions value: $0
Form type: 4
Filing time: 04 Jan 2022, 20:10:21 UTC
Next filing: 22 Jun 2022
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 Jan 2022	Common Stock	38,000	$12.86	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The stock option shall vest and become fully exercisable with respect to 1/36th of the entire number of shares subject to the stock option on each monthly anniversary of the grant date over a 36 month period, so that the entire number of shares shall vest and become exercisable on January 1, 2025, subject to the Reporting Person's continuing status as a service provider through each monthly vesting date.

Content

The stock option shall vest and become fully exercisable with respect to 1/36th of the entire number of shares subject to the stock option on each monthly anniversary of the grant date over a 36 month period, so that the entire number of shares shall vest and become exercisable on January 1, 2025, subject to the Reporting Person's continuing status as a service provider through each monthly vesting date.