Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- 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>>
| Reported DateTime | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | Filing |
| 2024-02-09 5:21 pm Purchase | 13G | Amphastar Pharmaceuticals Inc. AMPH | Zhang Jack Y. | 13,435,210 26.200% | 324,515 (+2.48%) | View |
| 2023-01-27 4:06 pm Purchase | 13G | Amphastar Pharmaceuticals Inc. AMPH | Zhang Jack Y. | 13,110,695 25.500% | 278,160 (+2.17%) | View |
| 2022-02-11 4:05 pm Purchase | 13G | Amphastar Pharmaceuticals Inc. AMPH | Zhang Jack Y. | 12,832,535 25.500% | 344,756 (+2.76%) | View |
| 2021-02-12 4:28 pm Sale | 13G | Amphastar Pharmaceuticals Inc. AMPH | Zhang Jack Y. | 12,487,779 25.200% | -509,908 (-3.92%) | View |
| 2020-02-14 06:03 am Sale | 13G | Amphastar Pharmaceuticals Inc. AMPH | Zhang Jack Y. | 12,997,687 26.200% | -354,649 (-2.66%) | View |