Erin Jones - 01 Oct 2021 Form 4/A - Amendment Insider Report for Gritstone bio, Inc.

Role
Executive Vice President, Global Regulatory Affairs and Quality
Signature
/s/ Rahsaan Thompson, Attorney-in-Fact for Erin Jones
Issuer symbol
N/A
Transactions as of
01 Oct 2021
Net transactions value
-$20,700
Form type
4/A - Amendment
Filing time
03 Dec 2021, 15:43:36 UTC
Date Of Original Report
05 Oct 2021
Previous filing
19 Nov 2021
Next filing
03 Dec 2021
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GRTS Common Stock Options Exercise $345 +1,000 +2.2% $0.3450* 46,900 01 Oct 2021 Direct F1, F2
transaction GRTS Common Stock Sale $10,680 -1,000 -2.1% $10.68* 45,900 01 Oct 2021 Direct F1, F2
transaction GRTS Common Stock Options Exercise $345 +1,000 +2.2% $0.3450* 46,900 04 Oct 2021 Direct F1, F2
transaction GRTS Common Stock Sale $10,710 -1,000 -2.1% $10.71* 45,900 04 Oct 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 -1,000 -2.8% $0.000000 34,971 01 Oct 2021 Common Stock 1,000 $0.3450 Direct F1, F3
transaction GRTS Stock Option (Right to Buy) Options Exercise $0 -1,000 -2.9% $0.000000 33,971 04 Oct 2021 Common Stock 1,000 $0.3450 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