Glancy Prongay & Murray LLP (“GPM”) reminds investors of the upcoming August 6, 2024 deadline to file a lead plaintiff motion in the class action filed on behalf of investors who purchased or otherwise acquired Gritstone bio, Inc. (“Gritstone” or the “Company”) (NASDAQ: GRTS) securities between March 9, 2023 and February 29, 2024, inclusive (the “Class Period”).

If you suffered a loss on your Gritstone investments or would like to inquire about potentially pursuing claims to recover your loss under the federal securities laws, you can submit your contact information at www.glancylaw.com/cases/Gritstone-bio-Inc/. You can also contact Charles H. Linehan, of GPM at 310-201-9150, Toll-Free at 888-773-9224, or via email at shareholders@glancylaw.com to learn more about your rights.

On February 12, 2024, Gritstone disclosed that it would be delaying the launch of its COVID-19 vaccine study (the “Phase 2b CORAL Study”) from the first quarter of 2024 to Fall 2024 to “allow use of fully GMP-grade raw materials in the vaccine, which is expected to increase the regulatory utility of the trial.”

Then, on February 29, 2024, Gritstone announced that it was reducing approximated 40% of its workforce, stating that “[t]he move comes following the recently announced delay of the proposed CORAL Phase 2b study, which resulted in Gritstone not receiving external funding it previously anticipated beginning in 1Q 2024, associated with the initiation of the study.”

On this news, Gritstone’s stock price fell $0.78, or 27.9%, to close at $2.02 per share on March 1, 2024, thereby injuring investors.

The complaint filed in this class action alleges that throughout the Class Period, Defendants made materially false and/or misleading statements, as well as failed to disclose material adverse facts about the Company’s business, operations, and prospects. Specifically, Defendants failed to disclose to investors that: (1) the Company would be unable to launch the Phase 2b CORAL Study in the timeframe it had represented to investors; (2) the foregoing would impair Gritstone’s ability to obtain external funding in connection with the Study, thereby negatively affecting Gritstone’s ability to maintain its balance sheet and cash position; (3) accordingly, Gritstone overstated its ability to successfully develop and commercialize its products; and (4) as a result, Defendants’ positive statements about the Company’s business, operations, and prospects were materially misleading and/or lacked a reasonable basis at all relevant times.

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If you purchased or otherwise acquired Gritstone securities during the Class Period, you may move the Court no later than August 6, 2024 to request appointment as lead plaintiff in this putative class action lawsuit. To be a member of the class action you need not take any action at this time; you may retain counsel of your choice or take no action and remain an absent member of the class action. If you wish to learn more about this class action, or if you have any questions concerning this announcement or your rights or interests with respect to the pending class action lawsuit, please contact Charles Linehan, Esquire, of GPM, 1925 Century Park East, Suite 2100, Los Angeles, California 90067 at 310-201-9150, Toll-Free at 888-773-9224, by email to shareholders@glancylaw.com, or visit our website at www.glancylaw.com. If you inquire by email please include your mailing address, telephone number and number of shares purchased.

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