About Atara Biotherapeutics, Inc. - Common Stock (ATRA)
Atara Biotherapeutics is a biotechnology company that focuses on developing transformative therapies for patients with serious medical conditions, particularly in the areas of cancer and autoimmune diseases. The company leverages its proprietary platform to create innovative T-cell immunotherapy treatments, which harness the power of the immune system to target and attack disease. Atara's commitment to scientific research and collaboration is aimed at advancing the field of cellular therapies, and it is dedicated to improving the lives of patients by addressing unmet medical needs through its cutting-edge therapeutic solutions. Read More
Glancy Prongay Wolke & Rotter LLP, a leading national shareholder rights law firm, today announced that it has commenced an investigation on behalf of Atara Biotherapeutics, Inc. (“Atara” or the “Company”) (NASDAQ: ATRA) investors concerning the Company’s possible violations of the federal securities laws.
Law Offices of Howard G. Smith announces an investigation on behalf of Atara Biotherapeutics, Inc. (“Atara” or the “Company”) (NASDAQ: ATRA) investors concerning the Company’s possible violations of federal securities laws.
The DJS Law Group reminds investors of a class action lawsuit against Atara Biotherapeutics, Inc. (“Atara” or “the Company”) (NASDAQ: ATRA) for 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.
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.
The Law Offices of Frank R. Cruz announces an investigation of Atara Biotherapeutics, Inc. (“Atara” or the “Company”) (NASDAQ: ATRA) on behalf of investors concerning the Company’s possible violations of federal securities laws.
The law firm of Kirby McInerney LLP announces that a class action lawsuit has been filed on behalf of investors who acquired Atara Biotherapeutics, Inc. (“Atara” or the “Company”) (NASDAQ:ATRA) securities during the period of May 20, 2024 through January 9, 2026, inclusive (“the Class Period”).
NEW YORK, March 24, 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 laws and to pursue remedies under Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder, against the Company and certain of its top officials.
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.”
Faruqi & Faruqi, LLP Securities Litigation Partner James (Josh) Wilson Encourages Investors Who Suffered Losses In Atara To Contact Him Directly To Discuss Their Options
Robbins LLP informs stockholders that a class action was filed on behalf of all investors who purchased or otherwise acquired Atara Biotherapeutics, Inc. (NASDAQ: ATRA) securities between May 20, 2024 and January 9, 2026. Atara develops therapies for patients with solid tumors, hematologic cancers, and autoimmune diseases in the U.S. and the United Kingdom (“U.K.”). The Company’s lead product candidate is tabelecleucel (also referred to as tab-cel or EBVALLO), a T-cell immunotherapy program for the treatment of, inter alia, Epstein-Barr virus positive post-transplant lymphoproliferative disease (“EBV+PTLD”).
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 reported financial results for the fourth quarter and full year 2025 and business updates.
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 a Type A meeting with the U.S. Food and Drug Administration (FDA) has been scheduled to discuss the Complete Response Letter (CRL) to the Biologics License Application (BLA) for tabelecleucel (tab-cel) held by our partner Pierre Fabre Pharmaceuticals.
As of March 9, 2026, the long-predicted "reckoning" for American small-cap stocks has officially arrived. While the broader market remains buoyed by the resilient "Magnificent Seven" and a robust AI infrastructure supercycle, the Russell 2000 (IWM) has hit a formidable roadblock: a $1.35 trillion "debt maturity wall." After a
FDA refused approval for tabelecleucel in treating patients two years of age and older with Epstein-Barr virus positive post-transplant lymphoproliferative disease earlier this year.
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 its partner Pierre Fabre Pharmaceuticals (PFP) has submitted a request to the FDA for a Type A meeting.
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 Amendment, HCRx agreed to amend the due date of the one-time of $9.0 million cash payment associated with the achievement of a certain milestone within the Amended and Restated Commercialization Agreement dated October 31, 2023, with Pierre Fabre Medicament, as amended, from June 30, 2026 to January 1, 2028.
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 newaction@pomlaw.com or 646-581-9980, ext. 7980.
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 newaction@pomlaw.com or 646-581-9980, ext. 7980.
NEW YORK, Jan. 20, 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 newaction@pomlaw.com or 646-581-9980, ext. 7980.
In a stunning blow to the burgeoning field of allogeneic cell therapy, Atara Biotherapeutics (Nasdaq: ATRA) saw its market valuation evaporate this week following a second Complete Response Letter (CRL) from the U.S. Food and Drug Administration (FDA) for its lead candidate, tabelecleucel (Ebvallo). The regulatory setback, which the
