07/14/2025
3:03 PM | Atara Biotherapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/12/2025
7:38 PM | Atara Biotherapeutics (Issuer)
MALLIK AMEET (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/12/2025
7:39 PM | Atara Biotherapeutics (Issuer)
Roncarolo Maria Grazia (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/12/2025
7:39 PM | Atara Biotherapeutics (Issuer)
Touchon Pascal (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/12/2025
7:39 PM | Atara Biotherapeutics (Issuer)
Fust Matthew K (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/12/2025
7:39 PM | Atara Biotherapeutics (Issuer)
Gallagher Carol Giltner (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/12/2025
7:36 PM | Atara Biotherapeutics (Issuer)
HEIDEN WILLIAM K (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/11/2025
3:15 PM | Atara Biotherapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/23/2025
3:05 PM | Atara Biotherapeutics (Subject)
Redmile Group, LLC (Filed by)
| Form SCHEDULE 13D | |
05/21/2025
5:00 PM | Atara Biotherapeutics (Subject)
Panacea Innovation Ltd (Filed by)
| Form SCHEDULE 13D | |
05/21/2025
5:00 PM | Atara Biotherapeutics (Issuer)
Huang James (Reporting)
Panacea Innovation Ltd (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
Get the Latest News and Ratings for ATRA and Related Stocks Enter your email address below to receive the latest news and analysts' ratings for Atara Biotherapeutics and its competitors with MarketBeat's FREE daily newsletter. |
05/16/2025
6:27 PM | Atara Biotherapeutics (Subject)
Grant-Huerta Yanina (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
05/16/2025
6:32 PM | Atara Biotherapeutics (Subject)
Nguyen AnhCo (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
05/16/2025
5:26 PM | Adiumentum Capital Fund I GP LLC (Reporting)
Adiumentum Capital Fund I LP (Reporting)
Atara Biotherapeutics (Issuer)
Ciongoli Gregory Austin (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/16/2025
5:28 PM | Adiumentum Capital Fund I LP (Filed by)
Atara Biotherapeutics (Subject)
| Form SCHEDULE 13D/A | |
05/16/2025
4:26 PM | Atara Biotherapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/15/2025
8:00 PM | Atara Biotherapeutics (Subject)
Redmile Group, LLC (Filed by)
| Form SCHEDULE 13G/A | |
05/15/2025
7:41 AM | Atara Biotherapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/15/2025
7:45 AM | Atara Biotherapeutics (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
04/28/2025
3:15 PM | Atara Biotherapeutics (Filer)
| Form DEF 14A | |
04/10/2025
6:14 PM | Atara Biotherapeutics (Issuer)
Grant-Huerta Yanina (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
04/02/2025
6:54 PM | Atara Biotherapeutics (Issuer)
Hyllengren Eric J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/05/2025
4:16 PM | Atara Biotherapeutics (Issuer)
Henrich Jill (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/05/2025
4:17 PM | Atara Biotherapeutics (Issuer)
Hyllengren Eric J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/05/2025
4:17 PM | Atara Biotherapeutics (Issuer)
Nguyen AnhCo (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/03/2025
5:29 PM | Atara Biotherapeutics (Subject)
Hyllengren Eric J (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
03/03/2025
5:30 PM | Atara Biotherapeutics (Subject)
Nguyen AnhCo (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
03/03/2025
5:27 PM | Atara Biotherapeutics (Subject)
Henrich Jill (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
02/06/2025
5:34 PM | Atara Biotherapeutics (Subject)
Panacea Innovation Ltd (Filed by)
| Form SCHEDULE 13G | |
01/29/2025
3:52 PM | Atara Biotherapeutics (Issuer)
Hyllengren Eric J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/27/2025
3:30 PM | Atara Biotherapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
01/21/2025
6:36 AM | Atara Biotherapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
01/16/2025
3:05 PM | Atara Biotherapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
12/23/2024
3:00 PM | Atara Biotherapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/20/2024
5:04 PM | Atara Biotherapeutics (Issuer)
Nguyen AnhCo (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/20/2024
5:04 PM | Atara Biotherapeutics (Issuer)
Hyllengren Eric J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/20/2024
5:05 PM | Atara Biotherapeutics (Issuer)
Henrich Jill (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/18/2024
4:54 PM | Atara Biotherapeutics (Subject)
Henrich Jill (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/18/2024
4:55 PM | Atara Biotherapeutics (Subject)
Hyllengren Eric J (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/18/2024
4:56 PM | Atara Biotherapeutics (Subject)
Murugan Amar (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/18/2024
4:58 PM | Atara Biotherapeutics (Subject)
Nguyen AnhCo (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
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11/14/2024
5:10 PM | Atara Biotherapeutics (Subject)
EcoR1 Capital, LLC (Filed by)
| Form SC 13G/A | |
11/12/2024
12:29 PM | Atara Biotherapeutics (Subject)
VANGUARD GROUP INC (Filed by)
| Form SC 13G/A | |
11/04/2024
10:24 AM | Atara Biotherapeutics (Subject)
VANGUARD GROUP INC (Filed by)
| Form SC 13G/A | |
10/15/2024
3:05 PM | Atara Biotherapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
09/11/2024
4:03 PM | Atara Biotherapeutics (Issuer)
Nguyen AnhCo (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/05/2024
5:42 PM | Adiumentum Capital Fund I GP LLC (Reporting)
Adiumentum Capital Fund I LP (Reporting)
Atara Biotherapeutics (Issuer)
Ciongoli Gregory Austin (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
09/05/2024
3:07 PM | Adiumentum Capital Fund I LP (Filed by)
Atara Biotherapeutics (Subject)
| Form SC 13D/A | |
09/04/2024
3:42 PM | Atara Biotherapeutics (Filer)
| Form 424B5 | |
09/03/2024
4:05 PM | Atara Biotherapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/20/2024
5:26 PM | Atara Biotherapeutics (Issuer)
Henrich Jill (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/20/2024
5:27 PM | Atara Biotherapeutics (Issuer)
Hyllengren Eric J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/20/2024
5:27 PM | Atara Biotherapeutics (Issuer)
Murugan Amar (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/20/2024
5:27 PM | Atara Biotherapeutics (Issuer)
Nguyen AnhCo (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/20/2024
5:27 PM | Atara Biotherapeutics (Issuer)
Touchon Pascal (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/14/2024
5:00 PM | Atara Biotherapeutics (Issuer)
Touchon Pascal (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/12/2024
4:10 PM | Atara Biotherapeutics (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
08/12/2024
4:05 PM | Atara Biotherapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
07/17/2024
3:16 PM | Atara Biotherapeutics (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
