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NEW YORK, March 31, 2026 /PRNewswire/ -- The Gross Law Firm issues the following notice to shareholders of Atara Biotherapeutics, Inc. (NASDAQ: ATRA).
Shareholders who purchased shares of ATRA during the class period listed are encouraged to contact the firm regarding possible lead plaintiff appointment. Appointment as lead plaintiff is not required to partake in any recovery.
CONTACT US HERE:
CLASS PERIOD: May 20, 2024 to January 9, 2026
ALLEGATIONS: The complaint alleges that during the class period, Defendants issued materially false and/or misleading statements and/or failed to disclose that: (i) certain manufacturing issues, as well as deficiencies inherent in the ALLELE study, made it unlikely that the FDA would approve the tabelecleucel BLA; (ii) accordingly, tabelecleucel's regulatory prospects were overstated; (iii) the aforementioned manufacturing issues also subjected Atara to a heightened risk of regulatory scrutiny, as well as jeopardized its ongoing clinical trials; (iv) all the foregoing was likely to have a significant negative impact on Atara's business and financial condition; and (v) as a result, defendants' public statements were materially false and/or misleading at all relevant times.
DEADLINE: May 22, 2026 Shareholders should not delay in registering for this class action. Register your information here: https://securitiesclasslaw.com/securities/atara-biotherapeutics-inc-loss-submission-form/?id=185087&from=4
NEXT STEPS FOR SHAREHOLDERS: Once you register as a shareholder who purchased shares of ATRA during the timeframe listed above, you will be enrolled in a portfolio monitoring software to provide you with status updates throughout the lifecycle of the case. The deadline to seek to be a lead plaintiff is May 22, 2026. There is no cost or obligation to you to participate in this case.
WHY GROSS LAW FIRM? The Gross Law Firm is a nationally recognized class action law firm, and our mission is to protect the rights of all investors who have suffered as a result of deceit, fraud, and illegal business practices. The Gross Law Firm is committed to ensuring that companies adhere to responsible business practices and engage in good corporate citizenship. The firm seeks recovery on behalf of investors who incurred losses when false and/or misleading statements or the omission of material information by a company lead to artificial inflation of the company's stock. Attorney advertising. Prior results do not guarantee similar outcomes.
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The Gross Law Firm
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New York, NY, 10018
Email: dg@securitiesclasslaw.com
Phone: (646) 453-8903
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SOURCE The Gross Law Firm
Faruqi & Faruqi, LLP Securities Litigation Partner James (Josh) Wilson Encourages Investors Who Suffered Losses In Atara To Contact Him Directly To Discuss Their Options
If you purchased or acquired securities in Atara between May 20, 2024 and January 9, 2026 and would like to discuss your legal rights, call Faruqi & Faruqi partner Josh Wilson directly at 877-247-4292 or 212-983-9330 (Ext. 1310).
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NEW YORK, March 28, 2026 /PRNewswire/ -- Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Atara Biotherapeutics, Inc. ("Atara" or the "Company") (NASDAQ: ATRA) and reminds investors of the May 22, 2026 deadline to seek the role of lead plaintiff in a federal securities class action that has been filed against the Company.
Faruqi & Faruqi is a leading national securities law firm with offices in New York, Pennsylvania, California and Georgia. The firm has recovered hundreds of millions of dollars for investors since its founding in 1995. See www.faruqilaw.com.
As detailed below, the complaint alleges that the Company and its executives violated federal securities laws by making false and/or misleading statements and/or failing to disclose that: (1) certain manufacturing issues, as well as deficiencies inherent in the ALLELE study, made it unlikely that the FDA would approve the tabelecleucel BLA; (2) accordingly, tabelecleucel's regulatory prospects were overstated; (3) the aforementioned manufacturing issues also subjected Atara to a heightened risk of regulatory scrutiny, as well as jeopardized its ongoing clinical trials; (4) all the foregoing was likely to have a significant negative impact on Atara's business and financial condition; and (5) as a result, Defendants' public statements were materially false and/or misleading at all relevant times.
On January 12, 2026, Atara issued a press release "announc[ing] that the U.S. Food and Drug Administration (FDA) has issued a Complete Response Letter (CRL) for the EBVALLO™ (tabelecleucel) Biologics License Application (BLA) as monotherapy treatment for adult and pediatric patients two years of age and older with Epstein-Barr virus positive post-transplant lymphoproliferative disease (EBV+ PTLD), who have received at least one prior therapy including an anti-CD20 containing regimen." Atara said that "[t]he CRL indicates that the FDA is unable to approve the EBVALLO™ BLA in its present form" because, according to the CRL, "the single arm ALLELE trial, which was previously confirmed by the FDA as adequate to support the BLA filing, is no longer considered to be adequate to provide evidence of effectiveness for accelerated approval. Furthermore, the FDA stated that the trial's interpretability is confounded due to trial study design, conduct, and analysis."
On this news, Atara's stock price fell $7.79 per share, or 56.99%, to close at $5.88 per share on January 12, 2026.
The court-appointed lead plaintiff is the investor with the largest financial interest in the relief sought by the class who is adequate and typical of class members who directs and oversees the litigation on behalf of the putative class. Any member of the putative class may move the Court to serve as lead plaintiff through counsel of their choice, or may choose to do nothing and remain an absent class member. Your ability to share in any recovery is not affected by the decision to serve as a lead plaintiff or not.
Faruqi & Faruqi, LLP also encourages anyone with information regarding Atara's conduct to contact the firm, including whistleblowers, former employees, shareholders and others.
To learn more about the Atara class action, go to www.faruqilaw.com/ATRA or call Faruqi & Faruqi partner Josh Wilson directly at 877-247-4292 or 212-983-9330 (Ext. 1310).
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Attorney Advertising. The law firm responsible for this advertisement is Faruqi & Faruqi, LLP (www.faruqilaw.com). Prior results do not guarantee or predict a similar outcome with respect to any future matter. We welcome the opportunity to discuss your particular case. All communications will be treated in a confidential manner.
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SOURCE Faruqi & Faruqi, LLP
