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 |
| 2021-06-01 Sale | 2021-06-02 7:34 pm | Amphastar Pharmaceuticals Inc. | AMPH | Koo Richard Director | 25,827 | $19.28 | $498,009 | 263,270 (Indirect 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 |
| 2021-06-07 Option Award | 2021-06-08 8:55 pm | N/A 2029-06-07 | Amphastar Pharmaceuticals Inc. | AMPH | Koo Richard Director | 23,201 | $0 | 286,471 (Direct) | View |
| 2021-06-01 Exercise | 2021-06-02 7:34 pm | N/A 2021-06-09 | Amphastar Pharmaceuticals Inc. | AMPH | Koo Richard Director | 25,827 | $0 | 263,270 (Direct) | View |
| 2021-06-01 Exercise | 2021-06-02 7:34 pm | N/A N/A | Amphastar Pharmaceuticals Inc. | AMPH | Koo Richard Director | 25,827 | $16.43 | 263,270 (Direct) | View |