Atara Biotherapeutics, Inc. (ATRA)
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ROSEN, SKILLED INVESTOR COUNSEL, Encourages Atara Biotherapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - ATRA
Published: April 10, 2026 by: Newsfile Corp
Sentiment: Neutral
New York, New York--(Newsfile Corp. - April 10, 2026) - WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of securities of Atara Biotherapeutics, Inc. (NASDAQ: ATRA) between May 20, 2024 and January 9, 2026, inclusive (the "Class Period"), of the important May 22, 2026 lead plaintiff deadline. SO WHAT: If you purchased Atara 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.
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Portnoy Law Firm Announces Class Action on Behalf of Atara Biotherapeutics, Inc. Investors
Published: April 10, 2026 by: GlobeNewsWire
Sentiment: Neutral
LOS ANGELES, April 10, 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.
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ATRA Shareholder Alert: Investors With Losses May Seek to Lead the Class Action in Atara Biotherapeutics, Inc. Securities Lawsuit — The Gross Law Firm
Published: April 10, 2026 by: GlobeNewsWire
Sentiment: Neutral
NEW YORK, April 10, 2026 (GLOBE NEWSWIRE) -- The Gross Law Firm issues the following notice to shareholders of Atara Biotherapeutics, Inc. (NASDAQ: ATRA).
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ATRA Investors Have Opportunity to Lead Atara Biotherapeutics, Inc. Securities Fraud Lawsuit with the Schall Law Firm
Published: April 10, 2026 by: GlobeNewsWire
Sentiment: Neutral
LOS ANGELES, April 10, 2026 (GLOBE NEWSWIRE) -- The Schall Law Firm , a national shareholder rights litigation firm, reminds investors of a class action lawsuit against Atara Biotherapeutics, Inc. (“Atara” or “the Company”) (NASDAQ: ATRA) violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission. Investors who purchased the Company's securities between May 20, 2024 and January 9, 2026, inclusive (the “Class Period”), are encouraged to contact the firm before May 22, 2026.
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ATRA UPCOMING DEADLINE: Faruqi & Faruqi, LLP Reminds Atara Biotherapeutics (ATRA) Investors of Securities Class Action Deadline on May 22, 2026
Published: April 10, 2026 by: PRNewsWire
Sentiment: Neutral
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). [You may also click here for additional information] NEW YORK, April 10, 2026 /PRNewswire/ -- Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Atara Biotherapeutics, Inc. ("Atara" or the "Company") …
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ATRA CLASS ACTION NOTICE: Faruqi & Faruqi, LLP Reminds Atara Biotherapeutics (ATRA) Investors of Securities Class Action Deadline on May 22, 2026
Published: April 08, 2026 by: Newsfile Corp
Sentiment: Neutral
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). [You may also click here for additional information] New York, New York--(Newsfile Corp. - April 8, 2026) - Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Atara Biotherapeutics, Inc. ("Atara" …
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Pomerantz Law Firm Announces the Filing of a Class Action Against Atara Biotherapeutics, Inc. and Certain Officers – ATRA
Published: April 07, 2026 by: GlobeNewsWire
Sentiment: Neutral
NEW YORK, April 07, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP announces that a class action lawsuit has been filed against Atara Biotherapeutics, Inc. (“Atara” or the “Company”) (NASDAQ: ATRA) and certain officers. The class action, filed in the United States District Court for the Central District of California, and docketed under 26-cv-03083, is on behalf of a class consisting of all persons and entities other than Defendants that purchased or otherwise acquired Atara securities between May 20, 2024 and January 9, 2026, both dates inclusive (the “Class Period”), seeking to recover damages caused by Defendants' violations of the federal securities …
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Atara Biotherapeutics, Inc. (ATRA) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud Lawsuit
Published: April 07, 2026 by: PRNewsWire
Sentiment: Neutral
LOS ANGELES, April 7, 2026 /PRNewswire/ -- The Law Offices of Frank R. Cruz announces that investors with losses related to Atara Biotherapeutics, Inc. ("Atara" or the "Company") (NASDAQ: ATRA) have opportunity to lead the securities fraud class action lawsuit.
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ATRA INVESTOR DEADLINE APPROACHING: Faruqi & Faruqi, LLP Reminds Atara Biotherapeutics (ATRA) Investors of Securities Class Action Deadline on May 22, 2026
Published: April 07, 2026 by: Newsfile Corp
Sentiment: Neutral
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). [You may also click here for additional information] New York, New York--(Newsfile Corp. - April 7, 2026) - Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Atara Biotherapeutics, Inc. ("Atara" …
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Bronstein, Gewirtz & Grossman LLC Urges Atara Biotherapeutics, Inc. Investors to Act: Class Action Filed Alleging Investor Harm
Published: April 06, 2026 by: GlobeNewsWire
Sentiment: Neutral
NEW YORK, April 06, 2026 (GLOBE NEWSWIRE) -- Bronstein, Gewirtz & Grossman, LLC, a nationally recognized investor-rights law firm, announces that a class action lawsuit has been filed against Atara Biotherapeutics, Inc. (NASDAQ: ATRA) and certain of its officers. This lawsuit seeks to recover damages against Defendants for alleged violations of the federal securities laws on behalf of all persons and entities that purchased or otherwise acquired Atara securities between May 20, 2024 and January 9, 2026, both dates inclusive (the “Class Period”).
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Atara Biotherapeutics, Inc. (ATRA) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud Lawsuit
Published: April 03, 2026 by: PRNewsWire
Sentiment: Neutral
BENSALEM, Pa., April 3, 2026 /PRNewswire/ -- The Law Offices of Howard G.
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ATRA INVESTOR DEADLINE APPROACHING: Faruqi & Faruqi, LLP Reminds Atara Biotherapeutics (ATRA) Investors of Securities Class Action Deadline on May 22, 2026
Published: April 03, 2026 by: PRNewsWire
Sentiment: Neutral
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). [You may also click here for additional information] NEW YORK, April 3, 2026 /PRNewswire/ -- Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Atara Biotherapeutics, Inc. ("Atara" or the "Company") …
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ROSEN, TOP RANKED GLOBAL INVESTOR COUNSEL, Encourages Atara Biotherapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - ATRA
Published: April 02, 2026 by: Newsfile Corp
Sentiment: Neutral
New York, New York--(Newsfile Corp. - April 2, 2026) - WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of securities of Atara Biotherapeutics, Inc. (NASDAQ: ATRA) between May 20, 2024 and January 9, 2026, inclusive (the "Class Period"), of the important May 22, 2026 lead plaintiff deadline. SO WHAT: If you purchased Atara 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.
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Deadline Approaching: Atara Biotherapeutics, Inc. (ATRA) Shareholders Who Lost Money Urged To Contact Law Offices of Howard G. Smith
Published: April 01, 2026 by: Business Wire
Sentiment: Neutral
BENSALEM, Pa.--(BUSINESS WIRE)--Law Offices of Howard G. Smith reminds investors of the upcoming May 22, 2026 deadline to file a lead plaintiff motion in the case filed on behalf of investors who purchased Atara Biotherapeutics, Inc. (“Atara” or the “Company”) (NASDAQ: ATRA) securities between May 20, 2024 and January 9, 2026, inclusive (the “Class Period”). IF YOU ARE AN INVESTOR WHO SUFFERED A LOSS IN ATARA BIOTHERAPEUTICS, INC. (ATRA), CONTACT THE LAW OFFICES OF HOWARD G. SMITH TO PARTICIPAT.
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ROSEN, TRUSTED INVESTOR COUNSEL, Encourages Atara Biotherapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - ATRA
Published: April 01, 2026 by: Newsfile Corp
Sentiment: Neutral
New York, New York--(Newsfile Corp. - April 1, 2026) - WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of securities of Atara Biotherapeutics, Inc. (NASDAQ: ATRA) between May 20, 2024 and January 9, 2026, inclusive (the "Class Period"), of the important May 22, 2026 lead plaintiff deadline. SO WHAT: If you purchased Atara 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.
Read More
Pomerantz Law Firm Announces the Filing of a Class Action Against Atara Biotherapeutics, Inc. and Certain Officers – ATRA
Published: March 31, 2026 by: GlobeNewsWire
Sentiment: Neutral
NEW YORK, March 31, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP announces that a class action lawsuit has been filed against Atara Biotherapeutics, Inc. (“Atara” or the “Company”) (NASDAQ: ATRA) and certain officers. The class action, filed in the United States District Court for the Central District of California, and docketed under 26-cv-03083, is on behalf of a class consisting of all persons and entities other than Defendants that purchased or otherwise acquired Atara securities between May 20, 2024 and January 9, 2026, both dates inclusive (the “Class Period”), seeking to recover damages caused by Defendants' violations of the federal securities …
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ROSEN, A HIGHLY RECOGNIZED LAW FIRM, Encourages Atara Biotherapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - ATRA
Published: March 31, 2026 by: GlobeNewsWire
Sentiment: Neutral
NEW YORK, March 31, 2026 (GLOBE NEWSWIRE) -- WHY: Rosen Law Firm, a global investor rights law firm, announces a class action lawsuit on behalf of purchasers of securities of Atara Biotherapeutics, Inc. (NASDAQ: ATRA) between May 20, 2024 and January 9, 2026, inclusive (the “Class Period”). A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court no later than May 22, 2026.
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ATRA Investors Have Opportunity to Lead Atara Biotherapeutics, Inc. Securities Fraud Lawsuit with the Schall Law Firm
Published: March 31, 2026 by: GlobeNewsWire
Sentiment: Neutral
LOS ANGELES, March 31, 2026 (GLOBE NEWSWIRE) -- The Schall Law Firm , a national shareholder rights litigation firm, reminds investors of a class action lawsuit against Atara Biotherapeutics, Inc. (“Atara” or “the Company”) (NASDAQ: ATRA) violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission. Investors who purchased the Company's securities between May 20, 2024 and January 9, 2026, inclusive (the “Class Period”), are encouraged to contact the firm before May 22, 2026.
Read More
Law Offices of Frank R. Cruz Encourages Atara Biotherapeutics, Inc. (ATRA) Shareholders To Inquire About Securities Fraud Class Action
Published: March 31, 2026 by: Business Wire
Sentiment: Neutral
LOS ANGELES--(BUSINESS WIRE)--Law Offices of Frank R. Cruz Encourages Atara Biotherapeutics, Inc. (ATRA) Shareholders To Inquire About Securities Fraud Class Action.
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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 Firm
Published: March 27, 2026 by: GlobeNewsWire
Sentiment: Neutral
Bragar Eagel & Squire, P.C. Litigation Partner Brandon Walker Encourages Investors Who Suffered Losses In Atara (ATRA) To Contact Him Directly To Discuss Their Options
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ATRA Shareholder Alert: Investors With Losses May Seek to Lead the Class Action in Atara Biotherapeutics, Inc. Securities Lawsuit — The Gross Law Firm
Published: March 27, 2026 by: GlobeNewsWire
Sentiment: Neutral
NEW YORK, March 27, 2026 (GLOBE NEWSWIRE) -- The Gross Law Firm issues the following notice to shareholders of Atara Biotherapeutics, Inc. (NASDAQ: ATRA).
Read More
ATRA INVESTOR ALERT: Faruqi & Faruqi, LLP Reminds Atara Biotherapeutics (ATRA) Investors of Securities Class Action Deadline on May 22, 2026
Published: March 27, 2026 by: Newsfile Corp
Sentiment: Neutral
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). [You may also click here for additional information] New York, New York--(Newsfile Corp. - March 27, 2026) - Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Atara Biotherapeutics, Inc. ("Atara" …
Read More
Portnoy Law Firm Announces Class Action on Behalf of Atara Biotherapeutics, Inc. Investors
Published: March 25, 2026 by: GlobeNewsWire
Sentiment: Neutral
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.
Read More
ATRA INVESTOR DEADLINE APPROACHING: Faruqi & Faruqi, LLP Reminds Atara Biotherapeutics (ATRA) Investors of Securities Class Action Deadline on May 22, 2026
Published: March 25, 2026 by: Newsfile Corp
Sentiment: Neutral
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). [You may also click here for additional information] New York, New York--(Newsfile Corp. - March 25, 2026) - Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Atara Biotherapeutics, Inc. ("Atara" …
Read More
Rosen Law Firm Urges Atara Biotherapeutics, Inc. (NASDAQ: ATRA) Stockholders to Contact the Firm for Information About Their Rights
Published: March 24, 2026 by: Business Wire
Sentiment: Neutral
NEW YORK--(BUSINESS WIRE)--Rosen Law Firm, a global investor rights law firm, announces a class action lawsuit on behalf of purchasers of securities of Atara Biotherapeutics, Inc. (NASDAQ: ATRA) between May 20, 2024 and January 9, 2026. Atara describes itself as a company that “develops therapies for patients with solid tumors, hematologic cancers, and autoimmune diseases in the U.S. and the United Kingdom.” For more information, submit a form, email attorney Phillip Kim, or give us a call at 8.
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INVESTOR ALERT: Class Action Lawsuit Filed on Behalf of Atara Biotherapeutics, Inc. (ATRA) Investors – Holzer & Holzer, LLC Encourages Investors With Significant Losses to Contact the Firm
Published: March 24, 2026 by: GlobeNewsWire
Sentiment: Neutral
ATLANTA, March 24, 2026 (GLOBE NEWSWIRE) -- A shareholder class action lawsuit has been filed against Atara Biotherapeutics, Inc. (“Atara”) (NASDAQ: ATRA). The lawsuit alleges that Defendants issued false and misleading statements and/or failed to disclose material adverse facts regarding Atara's business, operations, and prospects, including allegations that: (i) certain manufacturing issues, as well as deficiencies inherent in the ALLELE study, made it unlikely that the FDA would approve the tabelecleucel Biologics License Application; (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 …
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Atara Biotherapeutics Provides a Business Update
Published: February 23, 2026 by: Business Wire
Sentiment: Neutral
THOUSAND OAKS, Calif.--(BUSINESS WIRE)--Atara Biotherapeutics, Inc. (Nasdaq: ATRA), a leader in T-cell immunotherapy, leveraging its novel allogeneic Epstein-Barr virus (EBV) T-cell platform to develop transformative therapies for patients with cancer and autoimmune diseases, today announced that the Company entered into an amendment (the Amendment) to the Purchase and Sale Agreement dated as of December 20, 2022 with a fund managed by HealthCare Royalty (“HCRx”). Under the terms of the Amendme.
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INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Atara Biotherapeutics, Inc. - ATRA
Published: February 03, 2026 by: GlobeNewsWire
Sentiment: Neutral
NEW YORK, Feb. 03, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Atara Biotherapeutics, Inc. (“Atara” or the “Company”) (NASDAQ: ATRA). Such investors are advised to contact Danielle Peyton at [email protected] or 646-581-9980, ext. 7980.
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INVESTOR ALERT: Pomerantz Law Firm Investigates Claims on Behalf of Investors of Atara Biotherapeutics, Inc. - ATRA
Published: January 27, 2026 by: GlobeNewsWire
Sentiment: Neutral
NEW YORK, Jan. 27, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Atara Biotherapeutics, Inc. (“Atara” or the “Company”) (NASDAQ: ATRA). Such investors are advised to contact Danielle Peyton at [email protected] or 646-581-9980, ext. 7980.
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INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Atara Biotherapeutics, Inc. - ATRA
Published: January 22, 2026 by: PRNewsWire
Sentiment: Neutral
NEW YORK, Jan. 22, 2026 /PRNewswire/ -- Pomerantz LLP is investigating claims on behalf of investors of Atara Biotherapeutics, Inc. ("Atara" or the "Company") (NASDAQ: ATRA). Such investors are advised to contact Danielle Peyton at [email protected] or 646-581-9980, ext.
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About Atara Biotherapeutics, Inc. (ATRA)
- IPO Date 2014-10-16
- Website https://www.atarabio.com
- Industry Biotechnology
- CEO Anhco Nguyen
- Employees 153