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 |
2021-02-16 Sale |
2021-02-18 6:58 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Zhang Jack Y. Luo Mary Z. Applied Physics & Chemistry Laboratories Inc. CEO & Chief Scientific Officer 10% Owner |
30,467 | $18.59 | $566,315 | 10,529,628 (Indirect Direct) |
View |
2021-02-10 Sale |
2021-02-12 7:11 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Zhang Jack Y. Luo Mary Z. Applied Physics & Chemistry Laboratories Inc. CEO & Chief Scientific Officer 10% Owner |
48,847 | $18.93 | $924,750 | 10,560,095 (Indirect Direct) |
View |
2021-02-05 Sale |
2021-02-09 5:30 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Zhang Jack Y. Luo Mary Z. Applied Physics & Chemistry Laboratories Inc. CEO & Chief Scientific Officer 10% Owner |
40,886 | $18.92 | $773,546 | 10,608,942 (Indirect Direct) |
View |
2021-02-03 Sale |
2021-02-05 8:35 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Zhang Jack Y. Luo Mary Z. Applied Physics & Chemistry Laboratories Inc. CEO & Chief Scientific Officer 10% Owner |
41,869 | $18.69 | $782,343 | 10,649,828 (Indirect Direct) |
View |
2021-02-01 Sale |
2021-02-03 4:15 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Zhang Jack Y. Luo Mary Z. Applied Physics & Chemistry Laboratories Inc. CEO & Chief Scientific Officer 10% Owner |
37,931 | $18.43 | $698,941 | 10,691,697 (Indirect Direct) |
View |