Recent News

• 05.12.2026 - Atara Biotherapeutics Announces First Quarter 2026 Financial Results and Operational Progress
• 05.07.2026 - Atara Biotherapeutics Provides Regulatory Update on Tabelecleucel

Recent Filings

• 05.12.2026 - EX-99.1 EX-99.1
• 05.12.2026 - 8-K Current report
• 05.12.2026 - 424B5 Prospectus [Rule 424(b)(5)]
• 05.12.2026 - 10-Q Quarterly report [Sections 13 or 15(d)]
• 05.11.2026 - 4 Statement of changes in beneficial ownership of securities
• 05.11.2026 - 4 Statement of changes in beneficial ownership of securities
• 05.11.2026 - SCHEDULE 13D/A General Statement of Acquisition of Beneficial Ownership
• 05.11.2026 - 3 Initial statement of beneficial ownership of securities
• 05.08.2026 - SCHEDULE 13G Statement of Beneficial Ownership by Certain Investors
• 05.07.2026 - 144 Report of proposed sale of securities