|
⚲
|
| Keyboard |
| Peters William J
✚
|
|
|---|---|
| CIK # | 0001263136 |
| EDGAR Form | CIK | 2011 - 2026 |
|---|---|---|
| 3 | [0001263136] | |
| 4 | [0001263136] |
| Form 3/4/5 Subject | 2011 - 2026 |
|---|---|
| Amphastar Pharmaceuticals Inc | |
| Peters William J | |
| HI Tech Pharmacal Co Inc |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-15 | Tax withheld | 1,973 | $18.18 | 35,869 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-10 | Tax withheld | 3,297 | $18.91 | 62,346 |
|
Amphastar Pharmaceuticals Inc AMPH
Employee Stock Option (right to buy) · derivative
|
2026-03-09 | Grant | 121,071 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-09 | Grant | 58,693 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-06 | Tax withheld | 2,146 | $19.34 | 41,504 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-04 | Tax withheld | 1,744 | $19.96 | 34,810 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-05-19 | Tax withheld | 273 | $24.79 | 6,768 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-03-17 | Tax withheld | 3,004 | $27.69 | 83,181 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-03-15 | Tax withheld | 1,968 | $26.66 | 52,467 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-03-10 | Grant | 36,747 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Employee Stock Option (right to buy) · derivative
|
2025-03-10 | Grant | 78,039 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-03-06 | Tax withheld | 2,141 | $28.32 | 60,633 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-03-04 | Option exercise | 7,490 | $13.35 | 99,992 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-03-04 | Sell | 4,231 | $27.54 | 116,522 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-03-04 | Tax withheld | 1,739 | $27.62 | 48,031 |
|
Amphastar Pharmaceuticals Inc AMPH
Employee Stock Option (right to buy) · derivative
|
2025-03-04 | Option exercise | 7,490 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2024-11-06 | Option exercise | 7,426 | $13.03 | 96,761 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2024-11-06 | Sell | 7,426 | $52.05 | 386,523 |
|
Amphastar Pharmaceuticals Inc AMPH
Employee Stock Option (right to buy) · derivative
|
2024-11-06 | Option exercise | 7,426 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2024-07-31 | Sell | 10,282 | $44.23 | 454,773 |
| showing 20 of 200 most recent transactions | |||||