Shefali Agarwal - 17 Jun 2024 Form 4 Insider Report for Gritstone bio, Inc. (GRTS)

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	+51,800		$0	51,800	17 Jun 2024	Common Stock	51,800	$0.76	Direct	F1

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

Id	Content
F1	The option will vest and become exercisable on the earlier of (i) the first anniversary of the date of grant or (ii) the date of the next annual stockholder's meeting to the extent unvested as of such date, subject to continued service through the applicable vesting date.