Lawrence Corey - 04 Apr 2025 Form 4 Insider Report for Gritstone bio, Inc.

Role
Director
Signature
/s/ Vassiliki Economides, Attorney-in-Fact for Lawrence Corey
Issuer symbol
N/A
Transactions as of
04 Apr 2025
Net transactions value
$0
Form type
4
Filing time
08 Apr 2025, 20:57:37 UTC
Previous filing
20 Jun 2024

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) Other $0 -51,800 -100% $0.000000 0 04 Apr 2025 Common Stock 51,800 $2.19 Direct F1, F2
transaction GRTS Stock Option (Right to Buy) Other $0 -51,800 -100% $0.000000 0 04 Apr 2025 Common Stock 51,800 $0.7600 Direct F1, F3
transaction GRTS Stcok Option (right to buy) Other $0 -38,000 -100% $0.000000 0 04 Apr 2025 Common Stock 38,000 $4.10 Direct F1, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Lawrence Corey is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id Content
F1 Pursuant to the Issuer's Second Modified Plan of Reorganization pursuant to Chapter 11 of the Bankruptcy Code, which was confirmed by the United States Bankruptcy Court for the District of Delaware on April 3, 2025 and became effective on April 4, 2025, each share of the Issuer's common stock and options to purchase the Issuer's common stock outstanding prior to the Issuer's emergence from bankruptcy were cancelled for no value.
F2 The options are fully vested.
F3 The option will vest and become exercisable on the earlier of (i) the first anniversary of the date of grant or (ii) the date of the next annual stockholder's meeting to the extent unvested as of such date, subject to continued service through the applicable vesting date.
F4 The Stock Option shall vest and become exercisable as to 1/36 of the total number of shares subject thereto on each monthly anniversary of the grant date such that the entire number of shares subject to the Stock Option are fully vested and exercisable on the third anniversary of the grant date, subject to Reporting Person's continuing service on the Issuer's board of directors through each vesting date.