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ATARA Biotherapeutics (ATRA)

9.76 +0.23 (2.41%)

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Upcoming Events

- Earnings (10/29/26)

Latest Headlines

Form 144 Atara Biotherapeutics, Filed by: Nguyen AnhCo August 26, 2026 7:48 PM - SEC Filing Form 4 Atara Biotherapeutics, For: Aug 17 Filed by: Nguyen AnhCo August 26, 2026 7:46 PM - SEC Filing TD Cowen Assumes Atara Biotherapeutics (ATRA) at Buy August 22, 2026 7:54 AM - StreetInsider Form SCHEDULE 13G/A Atara Biotherapeutics, Filed by: Point72 Asset Management, L.P. August 14, 2026 4:11 PM - SEC Filing Form 10-Q Atara Biotherapeutics, For: Jun 30 August 12, 2026 4:17 PM - SEC Filing ATARA Biotherapeutics (ATRA) Misses Q2 EPS by 10c August 12, 2026 4:14 PM - StreetInsider Form 8-K Atara Biotherapeutics, For: Aug 12 August 12, 2026 4:11 PM - SEC Filing Atara Biotherapeutics Announces Second Quarter 2026 Financial Results and Operational Progress August 12, 2026 4:05 PM - BizWire Form 4 Atara Biotherapeutics, For: Jul 22 Filed by: Redmile Group, LLC July 24, 2026 9:00 PM - SEC Filing Form SCHEDULE 13D/A Atara Biotherapeutics, Filed by: Redmile Group, LLC July 24, 2026 8:01 PM - SEC Filing Form 3 Atara Biotherapeutics, For: Jun 26 Filed by: Sarney Kevin G July 6, 2026 4:14 PM - SEC Filing Form 8-K Atara Biotherapeutics, For: Jun 22 June 26, 2026 4:16 PM - SEC Filing 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 Full Article List