Raphael Rousseau - 27 May 2021 Form 4 Insider Report for Gritstone bio, Inc.

Signature
/s/ Rahsaan Thompson, Attorney-in-Fact for Raphael Rousseau
Issuer symbol
N/A
Transactions as of
27 May 2021
Net transactions value
-$23,910
Form type
4
Filing time
03 Jun 2021, 18:34:12 UTC
Previous filing
19 Nov 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GRTS Common Stock Options Exercise $2,201 +2,900 $0.7590 2,900 27 May 2021 Direct
transaction GRTS Common Stock Sale $26,112 -2,900 -100% $9.00* 0 27 May 2021 Direct

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) Options Exercise $0 -2,900 -2.3% $0.000000 122,426 27 May 2021 Common Stock 2,900 $0.7590 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Fully exercisable.

Remarks:

Executive Vice President and Chief Medical Officer