Portnoy Law Firm Announces Class Action on Behalf of Atara Biotherapeutics, Inc. Investors
Atara Biotherapeutics, Inc. (ATRA)
Last atara biotherapeutics, inc. earnings: 2/27 07:30 am
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US:NASDAQ Investor Relations:
investors.atarabio.com/investor-relations
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Source: GlobeNewswire
LOS ANGELES, March 25, 2026 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises Atara Biotherapeutics, Inc., (“Atara” or the "Company") (NASDAQ: ATRA) investors of a class action on behalf of investors that bought securities between May 20, 2024 and January 9, 2026, inclusive (the “Class Period”). Atara investors have until May 22, 2026 to file a lead plaintiff motion. Investors are encouraged to contact attorney Lesley F. Portnoy, by phone 310-692-8883 or email: lesley@portnoylaw.com, to discuss their legal rights, or join the case via https://portnoylaw.com/atara-biotherapeutics-inc. The Portnoy Law Firm can provide a complimentary case evaluation and discuss investors’ options for pursuing claims to recover their losses. The lawsuit alleges 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 af
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ATRA
News
- Law Offices of Howard G. Smith Encourages Atara Biotherapeutics, Inc. (ATRA) Shareholders To Inquire About Securities Fraud Class ActionBusiness Wire
- Bragar Eagel & Squire, P.C. Announces that a Class Action Lawsuit Has Been Filed Against Atara Biotherapeutics, Inc. (NASDAQ:ATRA) and Encourages Investors to Contact the FirmGlobeNewswire
- ATRA Shareholder Alert: Investors With Losses May Seek to Lead the Class Action in Atara Biotherapeutics, Inc. Securities Lawsuit — The Gross Law FirmGlobeNewswire
- ATRA Class Action Reminder - Robbins LLP Reminds Investors of the Lead Plaintiff Deadline in the Atara Biotherapeutics, Inc. Class ActionGlobeNewswire
- Securities Fraud Investigation Into Atara Biotherapeutics, Inc. (ATRA) Announced – Shareholders Who Lost Money Urged To Contact Glancy Prongay Wolke & Rotter LLP, a Leading Securities Fraud Law FirmBusiness Wire
ATRA
Earnings
- 3/16/26 - Miss
ATRA
Sec Filings
- 3/26/26 - Form EFFECT
- 3/25/26 - Form 424B3
- 3/19/26 - Form 4
- ATRA's page on the SEC website