Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- 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>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2023-11-10 Purchase | 2023-11-14 6:29 pm | Atara Biotherapeutics Inc. | ATRA | HEIDEN WILLIAM K Director | 100,000 | $0.2533 | $25,330 | 209,000 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2024-05-21 Option Award | 2024-05-23 5:16 pm | N/A N/A | MACROGENICS INC | MGNX | HEIDEN WILLIAM K Director | 23,000 | $0 | 23,000 (Direct) | View |
| 2024-05-20 Exercise | 2024-05-22 4:34 pm | N/A N/A | MACROGENICS INC | MGNX | HEIDEN WILLIAM K Director | 4,500 | $0 | 4,500 (Direct) | View |
| 2024-03-31 Option Award | 2024-04-02 6:12 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | HEIDEN WILLIAM K Director | 150,000 | $0 | 359,000 (Direct) | View |
| 2023-05-31 Option Award | 2023-06-02 7:08 pm | N/A 2033-05-30 | Atara Biotherapeutics Inc. | ATRA | HEIDEN WILLIAM K Director | 136,500 | $0 | 188,500 (Direct) | View |
| 2023-05-31 Option Award | 2023-06-02 4:53 pm | N/A 2033-05-31 | MACROGENICS INC | MGNX | HEIDEN WILLIAM K Director | 23,500 | $0 | 23,500 (Direct) | View |
| 2022-06-23 Option Award | 2022-06-27 4:48 pm | N/A 2032-06-22 | Atara Biotherapeutics Inc. | ATRA | HEIDEN WILLIAM K Director | 52,000 | $0 | 83,500 (Direct) | View |
| 2022-05-23 Option Award | 2022-05-24 4:29 pm | N/A 2032-05-23 | MACROGENICS INC | MGNX | HEIDEN WILLIAM K Director | 36,000 | $0 | 36,000 (Direct) | View |
| 2021-06-08 Option Award | 2021-06-09 7:14 pm | N/A 2031-06-07 | Atara Biotherapeutics Inc. | ATRA | HEIDEN WILLIAM K Director | 28,500 | $0 | 49,000 (Direct) | View |
| 2020-06-16 Option Award | 2020-06-17 5:46 pm | N/A 2030-06-15 | Atara Biotherapeutics Inc. | ATRA | HEIDEN WILLIAM K Director | 32,500 | $0 | 45,000 (Direct) | View |
| 2020-03-02 Tax Withholding | 2020-03-04 5:50 pm | N/A N/A | AMAG PHARMACEUTICALS INC. | AMAG | HEIDEN WILLIAM K President & CEO | 4,451 | $7.75 | 424,612 (Direct) | View |
| 2020-02-25 Tax Withholding | 2020-02-25 4:50 pm | N/A N/A | AMAG PHARMACEUTICALS INC. | AMAG | HEIDEN WILLIAM K President & CEO | 3,033 | $8.84 | 484,063 (Direct) | View |
| 2020-02-23 Tax Withholding | 2020-02-25 4:50 pm | N/A N/A | AMAG PHARMACEUTICALS INC. | AMAG | HEIDEN WILLIAM K President & CEO | 2,960 | $9.5 | 484,063 (Direct) | View |