Erin Jones - Sep 8, 2021 Form 4/A - Amendment Insider Report for Gritstone bio, Inc. (GRTS)

Role
Executive Vice President, Global Regulatory Affairs and Quality
Signature
/s/ Rahsaan Thompson, Attorney-in-Fact for Erin Jones
Stock symbol
GRTS
Transactions as of
Sep 8, 2021
Transactions value $
-$22,058
Form type
4/A - Amendment
Date filed
11/19/2021, 05:01 PM
Date Of Original Report
Sep 10, 2021
Previous filing
Nov 19, 2021
Next filing
Dec 3, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GRTS Common Stock Options Exercise $690 +2K +4.36% $0.35* 47.9K Sep 8, 2021 Direct F1, F2
transaction GRTS Common Stock Sale -$22.7K -2K -4.18% $11.37* 45.9K Sep 8, 2021 Direct F1, F2

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 -2K -5.27% $0.00 36K Sep 8, 2021 Common Stock 2K $0.35 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The transaction was made pursuant to a 10b5-1 plan in effect at the time of the transaction.
F2 Includes 25,900 Restricted Stock Units which are subject to vesting.
F3 Fully exercisable.

Remarks:

Executive Vice President, Global Regulatory Affairs and Quality