NEW YORK, June 30, 2024 (GLOBE NEWSWIRE) -- WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of securities of Gritstone bio, Inc. (NASDAQ: GRTS) between March 9, 2023 and February 29, 2024, both dates inclusive (the “Class Period”), of the important August 6, 2024 lead plaintiff deadline. SO WHAT: If you purchased Gritstone securities during the Class Period you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement ...