Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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- Peter Lynch
What is insider trading>>
Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
2025-02-06 6:34 pm Purchase |
2025-01-30 | 13G | Atara Biotherapeutics, Inc. ATRA |
Panacea Venture Healthcare Fund II, L.P. | 550,000 9.500% |
550,000![]() (New Position) |
Filing History |
2024-11-14 6:10 pm Purchase |
2024-09-30 | 13G | Atara Biotherapeutics, Inc. ATRA |
EcoR1 Capital LLC | 493,463 9.990% |
493,463![]() (New Position) |
Filing History |
2024-11-14 4:17 pm Purchase |
2024-09-30 | 13G | Atara Biotherapeutics, Inc. ATRA |
Citadel Advisors LLC | 260,480 4.600% |
260,480![]() (New Position) |
Filing History |
2024-11-12 1:29 pm Unchanged |
2024-09-30 | 13G | Atara Biotherapeutics, Inc. ATRA |
The Vanguard Group | 180,715 3.180% |
0 (Unchanged) |
Filing History |
2024-11-04 11:24 am Purchase |
2024-09-30 | 13G | Atara Biotherapeutics, Inc. ATRA |
The Vanguard Group | 180,715 3.180% |
180,715![]() (New Position) |
Filing History |
2024-09-13 4:01 pm Purchase |
2024-09-03 | 13G | Atara Biotherapeutics, Inc. ATRA |
Redmile Group LLC | 579,541 9.900% |
167,485![]() (+40.65%) |
Filing History |
2024-09-05 4:07 pm Purchase |
2024-09-03 | 13D | Atara Biotherapeutics, Inc. ATRA |
Adiumentum Capital Fund I LP | 1,134,322 19.990% |
811,685![]() (+251.58%) |
Filing History |
2024-07-08 4:32 pm Sale |
2024-06-30 | 13G | Atara Biotherapeutics, Inc. ATRA |
BlackRock Inc. BLK |
0 0.000% |
-283,489![]() (Position Closed) |
Filing History |
2024-05-22 6:18 pm Purchase |
2024-05-15 | 13D | Atara Biotherapeutics, Inc. ATRA |
Adiumentum Capital Fund I LP | 322,637 6.700% |
322,637![]() (New Position) |
Filing History |
2024-03-18 4:13 pm Purchase |
2024-03-08 | 13G | Atara Biotherapeutics, Inc. ATRA |
Citadel Advisors LLC | 261,325 6.400% |
261,325![]() (New Position) |
Filing History |
2024-02-14 5:03 pm Sale |
2023-12-31 | 13G | Atara Biotherapeutics, Inc. ATRA |
Maverick Capital, Ltd. | 0 0.000% |
-251,641![]() (Position Closed) |
Filing History |
2024-02-14 4:26 pm Purchase |
2023-12-31 | 13G | Atara Biotherapeutics, Inc. ATRA |
Redmile Group LLC | 412,056 9.900% |
18,557![]() (+4.72%) |
Filing History |
2024-02-13 4:58 pm Sale |
2023-12-29 | 13G | Atara Biotherapeutics, Inc. ATRA |
The Vanguard Group | 267,442 6.560% |
-21,000![]() (-7.28%) |
Filing History |
2024-02-09 4:22 pm Sale |
2024-02-09 | 13G | Atara Biotherapeutics, Inc. ATRA |
WASATCH ADVISORS LP | 0 0.000% |
-335,641![]() (Position Closed) |
Filing History |
2024-02-06 4:45 pm Sale |
2023-12-29 | 13G | Atara Biotherapeutics, Inc. ATRA |
GOLDMAN SACHS GROUP INC GS |
23,225 0.600% |
-221,105![]() (-90.49%) |
Filing History |
2024-01-26 5:25 pm Sale |
2023-12-31 | 13G | Atara Biotherapeutics, Inc. ATRA |
BlackRock Inc. BLK |
283,489 7.000% |
-82,597![]() (-22.56%) |
Filing History |
2024-01-22 1:58 pm Sale |
2023-12-31 | 13G | Atara Biotherapeutics, Inc. ATRA |
STATE STREET CORP STT |
111,368 2.730% |
-194,622![]() (-63.60%) |
Filing History |
2024-01-09 4:22 pm Sale |
2023-12-31 | 13G | Atara Biotherapeutics, Inc. ATRA |
BAUPOST GROUP LLC/MA | 0 0.000% |
-324,945![]() (Position Closed) |
Filing History |
2023-12-07 2:45 pm Sale |
2023-11-30 | 13G | Atara Biotherapeutics, Inc. ATRA |
JPMORGAN CHASE & CO JPM |
88,277 2.100% |
-212,146![]() (-70.62%) |
Filing History |
2023-11-20 7:00 pm Purchase |
2023-11-16 | 13G | Atara Biotherapeutics, Inc. ATRA |
EcoR1 Capital LLC | 402,682 9.900% |
402,682![]() (New Position) |
Filing History |