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| Keyboard |
| Lee Howard
✚
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|---|---|
| CIK # | 0001379941 |
| EDGAR Form | CIK | 2011 - 2026 |
|---|---|---|
| 3 | [0001379941] | |
| 4 | [0001379941] |
| Form 3/4/5 Subject | 2011 - 2026 |
|---|---|
| Lee Howard | |
| Amphastar Pharmaceuticals Inc |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-06-03 | Tax withheld | 923 | $26.01 | 24,007 |
|
Amphastar Pharmaceuticals Inc AMPH
Stock Option (right to buy) · derivative
|
2025-06-02 | Grant | 11,402 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-06-02 | Grant | 5,122 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2024-06-05 | Tax withheld | 579 | $42.04 | 24,341 |
|
Amphastar Pharmaceuticals Inc AMPH
Stock Option (right to buy) · derivative
|
2024-06-03 | Grant | 6,864 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2024-06-03 | Grant | 3,076 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2023-06-10 | Tax withheld | 375 | $45.67 | 17,126 |
|
Amphastar Pharmaceuticals Inc AMPH
Stock Option (right to buy) · derivative
|
2023-06-05 | Grant | 7,016 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2023-06-05 | Grant | 2,716 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2023-06-01 | Sell | 16,679 | $45.02 | 750,889 |
|
Amphastar Pharmaceuticals Inc AMPH
Stock Option (right to buy) · derivative
|
2023-06-01 | Option exercise | 16,679 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2023-06-01 | Option exercise | 16,679 | $16.69 | 278,373 |
|
Amphastar Pharmaceuticals Inc AMPH
Stock Option (right to buy) · derivative
|
2022-06-10 | Grant | 10,984 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2022-06-10 | Grant | 4,163 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2022-06-06 | Option exercise | 10,291 | $17.11 | 176,079 |
|
Amphastar Pharmaceuticals Inc AMPH
Stock Option (right to buy) · derivative
|
2022-06-06 | Option exercise | 10,291 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2022-06-06 | Sell | 10,291 | $37.79 | 388,897 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2022-05-23 | Sell | 10,000 | $34.93 | 349,300 |
|
Amphastar Pharmaceuticals Inc AMPH
Stock Option (right to buy) · derivative
|
2022-05-23 | Option exercise | 10,000 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2022-05-23 | Option exercise | 10,000 | $17.11 | 171,100 |
| showing 20 of 89 most recent transactions | |||||