Naiyer Rizvi - Jun 1, 2021 Form 3 Insider Report for Gritstone bio, Inc. (GRTS)

Role
Director
Signature
/s/ Rahsaan Thompson, Attorney-in-Fact for Naiyer Rizvi
Stock symbol
GRTS
Transactions as of
Jun 1, 2021
Transactions value $
$0
Form type
3
Date filed
11/19/2021, 03:17 PM
Next filing
Nov 19, 2021

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
holding GRTS Stock Option (Right to Buy) Jun 1, 2021 Common Stock 4.35K $0.76 Direct F1
holding GRTS Stock Option (Right to Buy) Jun 1, 2021 Common Stock 10K $12.02 Direct F2
holding GRTS Stock Option (Right to Buy) Jun 1, 2021 Common Stock 7.5K $8.91 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Fully exercisable.
F2 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 March 1, 2019 (the "Vesting Commencement Date"), so that all shares subject to the stock option will become fully vested and exercisable on the third anniversary of the Vesting Commencement Date, subject to the Reporting Person remaining a service provider through each monthly anniversary of the grant date.
F3 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 March 1, 2020 (the "Vesting Commencement Date"), so that all shares subject to the stock option will become fully vested and exercisable on the third anniversary of the Vesting Commencement Date, subject to the Reporting Person remaining a service provider through each monthly anniversary of the grant date.