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 |
2020-08-14 Purchase |
2020-08-18 4:15 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Maris David Director |
1,000 | $20.26 | $20,260 | 13,151 (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 8:57 pm |
N/A 2029-06-07 |
Amphastar Pharmaceuticals Inc. | AMPH | Maris David Director |
23,201 | $0 | 36,352 (Direct) |
View |
2020-06-08 Option Award |
2020-06-09 8:24 pm |
N/A 2028-06-08 |
Amphastar Pharmaceuticals Inc. | AMPH | Maris David Director |
21,855 | $0 | 28,155 (Direct) |
View |
Ownership |
2020-06-09 8:16 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Maris David Director |
0 | $0 | 6,300 (Direct) |
View |