ATARA Biotherapeutics (ATRA)
9.86
+0.09 (0.92%)
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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
Form 4 Atara Biotherapeutics, For: Mar 17 Filed by: Huang James
March 19, 2026 4:31 PM - SEC Filing
Form S-3 Atara Biotherapeutics,
March 17, 2026 4:17 PM - SEC Filing
Form 424B5 Atara Biotherapeutics,
March 16, 2026 4:22 PM - SEC Filing
Form 10-K Atara Biotherapeutics, For: Dec 31
March 16, 2026 4:16 PM - SEC Filing
Form 8-K Atara Biotherapeutics, For: Mar 16
March 16, 2026 4:11 PM - SEC Filing
Atara Biotherapeutics Announces Fourth Quarter and Full Year 2025 Financial Results and Operational Progress
March 16, 2026 4:05 PM - BizWire
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