SAN FRANCISCO, Sept. 28, 2026 /PRNewswire/ — Pomerantz LLP announces that the United States District Court for the Northern District of California, San Francisco Division, has approved the following announcement of a proposed class action settlement that would benefit purchasers of publicly traded securities of Gritstone bio, Inc.:

UNITED STATES DISTRICT COURT
NORTHERN DISTRICT OF CALIFORNIA
SAN FRANCISCO DIVISION

SUMMARY NOTICE OF (I) PENDENCY OF CLASS ACTION AND PROPOSED SETTLEMENT; (II) SETTLEMENT FAIRNESS HEARING; AND (III) MOTION FOR AN AWARD OF ATTORNEYS’ FEES AND REIMBURSEMENT OF LITIGATION EXPENSES 

To: All persons and entities that purchased publicly-traded Gritstone bio, Inc. (“Gritstone”) securities between March 9, 2023 and April 2, 2024, both dates inclusive, and who were allegedly damaged thereby (the “Settlement Class”).

YOU ARE HEREBY NOTIFIED, pursuant to an Order of the United States District Court for the Northern District of California, that a hearing will be held on December 4, 2026 at 10:00 a.m. before the Honorable Charles R. Breyer, United States District Judge for the Northern District of California, San Francisco Courthouse, 450 Golden Gate Avenue, Courtroom 6, 17th Floor, San Francisco, CA 94102, or by telephonic or other virtual means as directed by the Court, for the purpose of determining:

1. whether the proposed Settlement of the claims in the above-captioned Action for consideration including the sum of $6,000,000 should be approved by the Court as fair, reasonable, and adequate;
2. whether the proposed plan to distribute the Settlement proceeds is fair, reasonable, and adequate;
3. whether the application by Plaintiff’s Counsel for an award of attorneys’ fees of up to one-third of the Settlement Amount (or $2,000,000), plus interest, reimbursement of Litigation Expenses of no more than $500,000, which may include an award to Plaintiff of reasonable costs and expenses directly relating to his representation of the Settlement Class, should be approved; and
4. whether the Action should be dismissed with prejudice as set forth in the Stipulation.

If you purchased publicly-traded Gritstone securities during the period between March 9, 2023 and April 2, 2024, both dates inclusive (“Settlement Class Period”), your rights may be affected by this Settlement, including the release and extinguishment of claims you may possess relating to your ownership interest in publicly-traded Gritstone securities. If you have not received a detailed Notice and a copy of the Proof of Claim and Release Form (“Claim Form”), you may obtain copies by contacting the Claims Administrator at: Gritstone Securities Litigation, c/o Strategic Claims Services, P.O. Box 230, 600 N. Jackson St., Ste. 205, Media, PA 19063, Telephone: (866) 274-4004, Facsimile: (610) 565-7985, info@strategicclaims.net. You may also download copies of the Notice and submit your Claim Form online at www.strategicclaims.net/Gritstone/. If you are a member of the Settlement Class, in order to share in the distribution of the Net Settlement Fund, you must submit a properly completed Claim Form electronically or sent no later than November 13, 2026 to the Claims Administrator, establishing that you are entitled to recovery.

If you are a Settlement Class Member and desire to be excluded from the Settlement Class, you must submit a request for exclusion, in the manner and form explained in the Notice, to the Claims Administrator so that it is received no later than November 13, 2026. Your failure to submit your Proof of Claim and Release by November 13, 2026 will subject your claim to possible rejection and may preclude you from receiving any of the recovery in connection with the Settlement. Unless you submit a written exclusion request, you will be bound by any judgment and release rendered in the Action whether or not you make a claim.

Any objection to the Settlement, Plan of Allocation, or Lead Counsel’s request for an award of attorneys’ fees and reimbursement of Litigation Expenses must be in the manner and form explained in the Long Notice and received no later than November 13, 2026, by the Clerk of the Court, U.S. District Court, Northern District of California, 450 Golden Gate Avenue, 16th Floor, San Francisco, California 94102.

If you have any questions about the Settlement, you may call or write to Lead Counsel:

Pomerantz LLP
Samantha Daniels, Esq.
600 Third Avenue, 20th Floor
New York, NY 10016
(212) 661-1100

PLEASE DO NOT CONTACT THE COURT OR THE CLERK’S OFFICE REGARDING THIS NOTICE.

DATED: AUGUST 5, 2026                                                

BY ORDER OF THE UNITED STATES
DISTRICT COURT FOR THE
NORTHERN DISTRICT OF CALIFORNIA

View original content:https://www.prnewswire.com/news-releases/pomerantz-llp-announces-proposed-class-action-settlement-on-behalf-of-purchasers-of-securities-of-gritstone-bio-inc-302870314.html

SOURCE Pomerantz LLP