Vassiliki Economides - 23 Jun 2021 Form 4 Insider Report for Gritstone bio, Inc.

Role
EVP & CFO
Signature
/s/ Rahsaan Thompson, Attorney-in-Fact for Vassiliki Economides
Issuer symbol
N/A
Transactions as of
23 Jun 2021
Net transactions value
$0
Form type
4
Filing time
25 Jun 2021, 17:09:40 UTC
Next filing
20 Apr 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 GRTS Stock Option (Right to Buy) Award $0 +215,000 $0.000000 215,000 23 Jun 2021 Common Stock 215,000 $9.76 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 vests and becomes exercisable with respect to 25% of the total number of shares on June 23, 2022. The remaining shares vest and become exercisable in equal monthly installments over the following 36 months.