|
⚲
|
| Keyboard |
| Zhou Rong
✚
|
|
|---|---|
| CIK # | 0001645326 |
| EDGAR Form | CIK | 2011 - 2026 |
|---|---|---|
| 3 | [0001645326] | |
| 4 | [0001645326] |
| Form 3/4/5 Subject | 2011 - 2026 |
|---|---|
| Zhou Rong | |
| Amphastar Pharmaceuticals Inc |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
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 | 2,215 | $18.91 | 41,886 |
|
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 | 81,341 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-06 | Tax withheld | 1,357 | $19.34 | 26,244 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2026-03-04 | Tax withheld | 1,124 | $19.96 | 22,435 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-12-17 | Option exercise | 9,787 | $11.33 | 110,887 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-12-17 | Sell | 9,787 | $26.20 | 256,419 |
|
Amphastar Pharmaceuticals Inc AMPH
Employee Stock Option (right to buy) · derivative
|
2025-12-17 | Option exercise | 9,787 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Srock
|
2025-03-17 | Tax withheld | 1,967 | $27.69 | 54,466 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-03-15 | Tax withheld | 1,222 | $26.66 | 32,579 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Srock
|
2025-03-10 | Grant | 24,692 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Employee Stock Option (right to buy) · derivative
|
2025-03-10 | Grant | 52,437 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-03-06 | Tax withheld | 1,354 | $28.32 | 38,345 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2025-03-04 | Tax withheld | 1,121 | $27.62 | 30,962 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2024-12-13 | Option exercise | 8,000 | $11.33 | 90,640 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2024-12-13 | Sell | 8,000 | $45.23 | 361,840 |
|
Amphastar Pharmaceuticals Inc AMPH
Employee Stock Option (right to buy) · derivative
|
2024-12-13 | Option exercise | 8,000 | $0.00 | |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2024-12-12 | Sell | 7,000 | $44.43 | 311,010 |
|
Amphastar Pharmaceuticals Inc AMPH
Common Stock
|
2024-12-12 | Option exercise | 7,000 | $11.33 | 79,310 |
| showing 20 of 154 most recent transactions | |||||