ATRA Investors Have Opportunity to Lead Atara Biotherapeutics, Inc. Securities Fraud Lawsuit with the Schall Law Firm

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. Investors who purchased securities between May 20, 2024 and January 9, 2026 are encouraged to participate.