Stephen W Webster Gritstone Bio, Inc. (GRTS) insider trading activity

Stephen W Webster is of Gritstone bio, Inc.. Currently has a direct ownership of 0 shares of GRTS, which is worth approximately $0. The most recent transaction as insider was on Apr 04, 2025, when has been sold 25,000 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 0

0% 3M change

n/a 12M change

Total Value Held $0

Stephen W Webster Transaction History

Date	Transaction	Value	Shares Traded	Shares Held	Form
Apr 04 2025	SELL Other acquisition or disposition	-	25,000 Reduced 100.0%	0 Common Stock

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