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 |
| 2024-03-05 Sale | 2024-03-06 5:57 pm | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 12,500 | $47.18 | $589,724 | 21,326 (Direct) | View |
| 2023-08-15 Sale | 2023-08-16 8:23 pm | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 12,759 | $57.22 | $730,025 | 33,826 (Direct) | View |
| 2023-05-15 Sale | 2023-05-16 8:01 pm | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 7,500 | $42.18 | $316,335 | 43,869 (Direct) | View |
| 2022-05-16 Sale | 2022-05-17 7:46 pm | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 10,291 | $35.61 | $366,500 | 47,206 (Direct) | View |
| 2022-03-16 Sale | 2022-03-17 5:13 pm | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 10,000 | $33.71 | $337,069 | 57,497 (Direct) | View |
| 2021-05-13 Sale | 2021-05-14 7:01 pm | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 25,827 | $19.34 | $499,435 | 41,187 (Direct) | View |
| 2020-05-14 Sale | 2020-05-18 4:36 pm | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 37,782 | $18.02 | $680,657 | 58,286 (Direct) | View |
| 2020-05-12 Sale | 2020-05-14 4:18 pm | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 10,000 | $19 | $190,000 | 73,118 (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 |
| 2024-06-03 Option Award | 2024-06-05 5:56 pm | N/A 2034-06-03 | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 9,940 | $0 | 31,266 (Direct) | View |
| 2023-06-05 Option Award | 2023-06-07 5:20 pm | N/A 2031-06-05 | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 9,732 | $0 | 53,601 (Direct) | View |
| 2022-06-10 Option Award | 2022-06-14 5:31 pm | N/A 2030-06-10 | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 15,147 | $0 | 62,353 (Direct) | View |
| 2022-05-16 Exercise | 2022-05-17 7:46 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 10,291 | $17.11 | 47,206 (Direct) | View |
| 2022-05-16 Exercise | 2022-05-17 7:46 pm | N/A 2022-06-08 | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 10,291 | $0 | 47,206 (Direct) | View |
| 2022-03-16 Exercise | 2022-03-17 5:13 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 10,000 | $17.11 | 57,497 (Direct) | View |
| 2022-03-16 Exercise | 2022-03-17 5:13 pm | N/A 2022-06-08 | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 10,000 | $0 | 57,497 (Direct) | View |
| 2021-06-07 Option Award | 2021-06-08 9:01 pm | N/A 2029-06-07 | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 23,201 | $0 | 64,388 (Direct) | View |
| 2021-05-13 Exercise | 2021-05-14 7:01 pm | N/A 2021-06-09 | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 25,827 | $0 | 41,187 (Direct) | View |
| 2021-05-13 Exercise | 2021-05-14 7:01 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 25,827 | $16.43 | 41,187 (Direct) | View |
| 2020-06-08 Option Award | 2020-06-09 8:29 pm | N/A 2028-06-08 | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 21,855 | $0 | 57,191 (Direct) | View |
| 2020-05-14 Exercise | 2020-05-18 4:36 pm | N/A 2020-05-27 | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 37,782 | $0 | 58,286 (Direct) | View |
| 2020-05-14 Exercise | 2020-05-18 4:36 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 37,782 | $15.11 | 58,286 (Direct) | View |
| 2020-05-12 Exercise | 2020-05-14 4:18 pm | N/A 2020-05-27 | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 10,000 | $0 | 73,118 (Direct) | View |
| 2020-05-12 Exercise | 2020-05-14 4:18 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director | 10,000 | $15.11 | 73,118 (Direct) | View |