07/21/2025
8:00 AM | Atara Biotherapeutics (Issuer)
Huang James (Reporting)
Panacea Innovation Ltd (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
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 | |
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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 | |
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 | |
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11/18/2024
4:58 PM | Atara Biotherapeutics (Subject)
Nguyen AnhCo (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
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) | |
