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 are not 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
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | Filing |
| 2024-03-18 4:13 pm Purchase | 13G | ATARA BIOTHERAPEUTICS INC ATRA | CITADEL ADVISORS LLC | 6,533,119 6.4% | 6,533,119 (New Position) | View |
| 2024-02-14 5:03 pm Sale | 13G | ATARA BIOTHERAPEUTICS INC ATRA | MAVERICK CAPITAL LTD | 0 0% | -6,291,013 (Position Closed) | View |
| 2024-02-14 4:26 pm Purchase | 13G | ATARA BIOTHERAPEUTICS INC ATRA | Redmile Group LLC | 10,301,409 9.9% | 463,916 (+4.72%) | View |
| 2024-02-13 4:58 pm Sale | 13G | ATARA BIOTHERAPEUTICS INC ATRA | VANGUARD GROUP INC | 6,686,043 6.56% | -525,005 (-7.28%) | View |
| 2024-02-09 4:22 pm Sale | 13G | ATARA BIOTHERAPEUTICS INC ATRA | WASATCH ADVISORS LP | 0 0% | -8,391,014 (Position Closed) | View |
| 2024-02-06 4:45 pm Sale | 13G | ATARA BIOTHERAPEUTICS INC ATRA | GOLDMAN SACHS GROUP INC GS | 580,629 0.6% | -5,527,631 (-90.49%) | View |
| 2024-01-26 5:25 pm Sale | 13G | ATARA BIOTHERAPEUTICS INC ATRA | BlackRock Inc. BLK | 7,087,213 7% | -2,064,936 (-22.56%) | View |
| 2024-01-22 1:58 pm Sale | 13G | ATARA BIOTHERAPEUTICS INC ATRA | STATE STREET CORP STT | 2,784,200 2.73% | -4,865,540 (-63.60%) | View |
| 2024-01-09 4:22 pm Sale | 13G | ATARA BIOTHERAPEUTICS INC ATRA | BAUPOST GROUP LLC | 0 0% | -8,123,616 (Position Closed) | View |
| 2023-12-07 2:45 pm Sale | 13G | ATARA BIOTHERAPEUTICS INC ATRA | JPMORGAN CHASE & CO JPM | 2,206,929 2.1% | -5,303,643 (-70.62%) | View |
| 2023-11-20 7:00 pm Purchase | 13G | ATARA BIOTHERAPEUTICS INC ATRA | EcoR1 Capital LLC | 10,067,043 9.9% | 10,067,043 (New Position) | View |
| 2023-02-14 4:18 pm Purchase | 13G | ATARA BIOTHERAPEUTICS INC ATRA | Redmile Group LLC | 9,837,493 9.9% | 738,768 (+8.12%) | View |
| 2023-02-14 4:06 pm Sale | 13G | ATARA BIOTHERAPEUTICS INC ATRA | Point72 Asset Management L.P. | 216,179 0.2% | -4,417,974 (-95.34%) | View |
| 2023-02-14 07:31 am Sale | 13G | ATARA BIOTHERAPEUTICS INC ATRA | MAVERICK CAPITAL LTD | 6,291,013 6.6% | -1,564,811 (-19.92%) | View |
| 2023-02-09 11:07 am Purchase | 13G | ATARA BIOTHERAPEUTICS INC ATRA | VANGUARD GROUP INC | 7,211,048 7.6% | 135,527 (+1.92%) | View |
| 2023-02-09 08:23 am Sale | 13G | ATARA BIOTHERAPEUTICS INC ATRA | FMR LLC | 132,521 0.139% | -5,480,721 (-97.64%) | View |
| 2023-02-08 3:46 pm Purchase | 13G | ATARA BIOTHERAPEUTICS INC ATRA | WASATCH ADVISORS LP | 8,391,014 8.8% | 8,391,014 (New Position) | View |
| 2023-02-06 5:36 pm Purchase | 13G | ATARA BIOTHERAPEUTICS INC ATRA | GOLDMAN SACHS GROUP INC GS | 6,108,260 6.4% | 6,108,260 (New Position) | View |
| 2023-02-03 3:56 pm Purchase | 13G | ATARA BIOTHERAPEUTICS INC ATRA | STATE STREET CORP STT | 7,649,740 8.06% | 7,649,740 (New Position) | View |
| 2023-01-24 1:56 pm Purchase | 13G | ATARA BIOTHERAPEUTICS INC ATRA | BlackRock Inc. BLK | 9,152,149 9.6% | 1,335,597 (+17.09%) | View |