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ATARA Biotherapeutics (ATRA)

9.88 -0.19 (1.89%)

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- Earnings (8/10/26)

Latest Headlines

Form 4 Atara Biotherapeutics, For: Jun 11 Filed by: Cherry Brian N June 15, 2026 6:51 PM - SEC Filing Form 3 Atara Biotherapeutics, For: Jun 11 Filed by: Cherry Brian N June 15, 2026 6:49 PM - SEC Filing Form S-8 Atara Biotherapeutics, June 12, 2026 4:22 PM - SEC Filing Form 8-K Atara Biotherapeutics, For: Jun 09 June 12, 2026 4:07 PM - SEC Filing Atara Biotherapeutics makes board changes with departure and new appointment June 12, 2026 4:00 PM - StreetInsider Atara Biotherapeutics Announces Changes to Its Board of Directors June 12, 2026 4:00 PM - BizWire Form 4 Atara Biotherapeutics, For: Jun 09 Filed by: HEIDEN WILLIAM K June 11, 2026 4:38 PM - SEC Filing Form 4 Atara Biotherapeutics, For: Jun 09 Filed by: Fust Matthew K June 11, 2026 4:37 PM - SEC Filing Form 4 Atara Biotherapeutics, For: Jun 09 Filed by: Ciongoli Gregory Austin June 11, 2026 4:36 PM - SEC Filing Form 4 Atara Biotherapeutics, For: May 18 Filed by: Nguyen AnhCo May 20, 2026 5:25 PM - SEC Filing Form 4 Atara Biotherapeutics, For: May 18 Filed by: Grant-Huerta Yanina May 20, 2026 5:24 PM - SEC Filing Form 144 Atara Biotherapeutics, Filed by: Nguyen AnhCo May 18, 2026 4:45 PM - SEC Filing Form 144 Atara Biotherapeutics, Filed by: Grant-Huerta Yanina May 18, 2026 4:45 PM - SEC Filing Freedom Broker Upgrades Atara Biotherapeutics (ATRA) to Hold May 18, 2026 10:27 AM - StreetInsider Form SCHEDULE 13D/A Atara Biotherapeutics, Filed by: Redmile Group, LLC May 14, 2026 9:00 PM - SEC Filing Form SCHEDULE 13G Atara Biotherapeutics, Filed by: Adage Capital Management, L.P. May 13, 2026 9:06 AM - SEC Filing ATARA Biotherapeutics (ATRA) Misses Q1 EPS by 29c May 12, 2026 4:45 PM - StreetInsider ATARA Biotherapeutics supplements prospectus for stock offering May 12, 2026 4:44 PM - StreetInsider Form 424B5 Atara Biotherapeutics, May 12, 2026 4:20 PM - SEC Filing Form 10-Q Atara Biotherapeutics, For: Mar 31 May 12, 2026 4:17 PM - SEC Filing Form 8-K Atara Biotherapeutics, For: May 12 May 12, 2026 4:10 PM - SEC Filing Atara Biotherapeutics Announces First Quarter 2026 Financial Results and Operational Progress May 12, 2026 4:05 PM - BizWire Form SCHEDULE 13D/A Atara Biotherapeutics, Filed by: Panacea Innovation Ltd May 11, 2026 6:49 PM - SEC Filing Form 4 Atara Biotherapeutics, For: May 07 Filed by: Huang James May 11, 2026 6:45 PM - SEC Filing Form 4 Atara Biotherapeutics, For: May 07 Filed by: EcoR1 Capital, LLC May 11, 2026 5:34 PM - SEC Filing Form 3 Atara Biotherapeutics, For: May 07 Filed by: EcoR1 Capital, LLC May 11, 2026 5:34 PM - SEC Filing Form SCHEDULE 13G Atara Biotherapeutics, Filed by: Point72 Asset Management, L.P. May 8, 2026 4:12 PM - SEC Filing Canaccord Upgrades Atara Biotherapeutics (ATRA) to Buy May 8, 2026 4:29 AM - StreetInsider Form 144 Atara Biotherapeutics, Filed by: Panacea Innovation Ltd May 7, 2026 8:30 PM - SEC Filing Form SCHEDULE 13G/A Atara Biotherapeutics, Filed by: EcoR1 Capital, LLC May 7, 2026 7:27 PM - SEC Filing Form 8-K Atara Biotherapeutics, For: May 07 May 7, 2026 8:10 AM - SEC Filing Atara Biotherapeutics receives FDA guidance on tabelecleucel resubmission May 7, 2026 8:05 AM - StreetInsider Atara Biotherapeutics Provides Regulatory Update on Tabelecleucel May 7, 2026 8:05 AM - BizWire Form 8-K Atara Biotherapeutics, For: Apr 30 May 1, 2026 4:06 PM - SEC Filing Form DEF 14A Atara Biotherapeutics, For: Apr 24 April 24, 2026 4:16 PM - SEC Filing Form DEFA14A Atara Biotherapeutics, April 24, 2026 4:15 PM - SEC Filing Form EFFECT Atara Biotherapeutics, March 26, 2026 6:08 AM - SEC Filing Form 424B3 Atara Biotherapeutics, March 25, 2026 5:08 PM - SEC Filing Full Article List