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| Keyboard |
| Amphastar Pharmaceuticals Inc
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|---|---|
| CIK # | 0001297184 |
| EDGAR Form | CIK | 2011 - 2026 |
|---|---|---|
| 10-K | [0001297184] | |
| 10-Q | [0001297184] | |
| 3 | [0001297184] | |
| 4 | [0001297184] | |
| 8-K | [0001297184] | |
| SC 13G | [0001297184] |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-15 | Tax withheld | 2,908 | $18.18 | 52,867 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-15 | Tax withheld | 9,784 | $18.18 | 177,873 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-15 | Tax withheld | 1,033 | $18.18 | 18,780 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-15 | Tax withheld | 1,973 | $18.18 | 35,869 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-15 | Tax withheld | 1,225 | $18.18 | 22,270 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-10 | Tax withheld | 3,297 | $18.91 | 62,346 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-10 | Tax withheld | 2,215 | $18.91 | 41,886 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-10 | Tax withheld | 1,870 | $18.91 | 35,362 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-10 | Tax withheld | 14,785 | $18.91 | 279,584 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-10 | Tax withheld | 4,395 | $18.91 | 83,109 |
|
Amphastar Pharmaceuticals Inc AMPH
Employee Stock Option (right to buy) · derivative
|
2026-03-09 | Grant | 121,071 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Employee Stock Option (right to buy) · derivative
|
2026-03-09 | Grant | 372,338 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-09 | Grant | 72,462 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Srock
|
2026-03-09 | Grant | 39,432 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Employee Stock Option (right to buy) · derivative
|
2026-03-09 | Grant | 149,472 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-09 | Grant | 58,693 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-09 | Grant | 180,504 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-09 | Grant | 35,450 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Employee Stock Option (right to buy) · derivative
|
2026-03-09 | Grant | 81,341 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Employee Stock Option (right to buy) · derivative
|
2026-03-09 | Grant | 73,126 | $0.00 | |
| showing 20 of 200 most recent transactions | |||||