Atara Biotherapeutics, Inc

ATRA

Atara Biotherapeutics, Inc. is a biotechnology company focused on developing and commercializing innovative cellular immunotherapies for the treatment of life-threatening diseases, including cancers and rare autoimmune disorders. The company leverages allogeneic T-cell technologies to create targeted and durable treatments, aiming to improve patient outcomes in areas with significant unmet medical needs.

$8.39 -0.33 (-3.78%)
🚫 Atara Biotherapeutics, Inc does not pay dividends

Company News

ATARA DEADLINE: ROSEN, SKILLED INVESTOR COUNSEL, Encourages Atara Biotherapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - ATRA
GlobeNewswire Inc. • Rosen Law Firm • May 19, 2026

A securities class action lawsuit has been filed against Atara Biotherapeutics for allegedly making false and misleading statements regarding manufacturing issues and deficiencies in the ALLELE study that undermined FDA approval prospects for tabelecleucel. Investors who purchased securities between May 20, 2024 and January 9, 2026 may be eligibl...

Bronstein, Gewirtz & Grossman LLC Urges Atara Biotherapeutics, Inc. Investors to Act: Class Action Filed Alleging Investor Harm
GlobeNewswire Inc. • Bronstein, Gewirtz & Grossman Llc • May 18, 2026

A class action lawsuit has been filed against Atara Biotherapeutics, Inc. alleging that company executives made false and misleading statements regarding manufacturing issues and deficiencies in the ALLELE study that would likely prevent FDA approval of tabelecleucel. The lawsuit covers investors who purchased Atara securities between May 20, 202...

DEADLINE ALERT for ATRA, COTY, SMCI, IBRX: Law Offices of Howard G. Smith Reminds Investors of Opportunity to Lead Securities Fraud Class Actions
GlobeNewswire Inc. • Law Offices Of Howard G. Smith • May 14, 2026

Law Offices of Howard G. Smith has announced securities fraud class action lawsuits against four publicly-traded companies: Atara Biotherapeutics (ATRA), Coty Inc. (COTY), Super Micro Computer (SMCI), and ImmunityBio (IBRX). The lawsuits allege that defendants made false or misleading statements regarding their business operations and prospects. ...

Bronstein, Gewirtz & Grossman LLC Urges Atara Biotherapeutics, Inc. Investors to Act: Class Action Filed Alleging Investor Harm
GlobeNewswire Inc. • Bronstein, Gewirtz & Grossman Llc • May 14, 2026

A class action lawsuit has been filed against Atara Biotherapeutics, Inc. alleging that company executives made false and misleading statements regarding manufacturing issues and deficiencies in the ALLELE study that would likely prevent FDA approval of tabelecleucel. The lawsuit covers investors who purchased Atara securities between May 20, 202...

ATRA Investors Have Opportunity to Lead Atara Biotherapeutics, Inc. Securities Fraud Lawsuit with the Schall Law Firm
GlobeNewswire Inc. • The Schall Law Firm • May 14, 2026

The Schall Law Firm is seeking investors to join a class action lawsuit against Atara Biotherapeutics for alleged securities fraud. The company allegedly made false and misleading statements regarding manufacturing problems and deficiencies in its ALLELE study for tabelecleucel, overstating the drug's prospects and concealing regulatory risks. In...

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