Holdings derived from the most recent reported transactions. Not adjusted for stock splits or share-class conversions.
| Issuer | Shares | Source | Last tx | Detail |
|---|---|---|---|---|
| Amphastar Pharmaceuticals, Inc. | 1,245,125 | reported | 15 Mar 2026 | tx 192+9,159,635−7,072,532 |
| Date | Type | Issuer | Qty | Price | Signals |
|---|---|---|---|---|---|
| 15 Mar 2026 | TAX_WITHHOLDING | Amphastar Pharmaceuticals, Inc. | 9,784 | 18.18 USD | |
| 15 Mar 2026 | TAX_WITHHOLDING | Amphastar Pharmaceuticals, Inc. | 2,908 | 18.18 USD | |
| 09 Mar 2026 | GRANT_AWARD | Amphastar Pharmaceuticals, Inc. | 180,504 | 0.00 USD | |
| 10 Mar 2026 | TAX_WITHHOLDING | Amphastar Pharmaceuticals, Inc. | 4,395 | 18.91 USD | |
| 09 Mar 2026 | GRANT_AWARD | Amphastar Pharmaceuticals, Inc. | 72,462 | 0.00 USD | |
| 10 Mar 2026 | TAX_WITHHOLDING | Amphastar Pharmaceuticals, Inc. | 14,785 | 18.91 USD | |
| 09 Mar 2026 | GRANT_AWARD | Amphastar Pharmaceuticals, Inc. | 372,338 | 0.00 USD | deriv |
| 09 Mar 2026 | GRANT_AWARD | Amphastar Pharmaceuticals, Inc. | 149,472 | 0.00 USD | deriv |
| 04 Mar 2026 | TAX_WITHHOLDING | Amphastar Pharmaceuticals, Inc. | 5,769 | 19.96 USD | |
| 04 Mar 2026 | TAX_WITHHOLDING | Amphastar Pharmaceuticals, Inc. | 2,432 | 19.96 USD | |
| 13 Jun 2025 | EXERCISE | Amphastar Pharmaceuticals, Inc. | 200,000 | 13.03 USD | |
| 13 Jun 2025 | EXERCISE | Amphastar Pharmaceuticals, Inc. | 200,000 | 0.00 USD | deriv |
| 14 Mar 2025 | EXERCISE | Amphastar Pharmaceuticals, Inc. | 290,477 | 14.69 USD | |
| 14 Mar 2025 | TAX_WITHHOLDING | Amphastar Pharmaceuticals, Inc. | 226,285 | 26.66 USD | |
| 15 Mar 2025 | TAX_WITHHOLDING | Amphastar Pharmaceuticals, Inc. | 9,765 | 26.66 USD | |
| 17 Mar 2025 | TAX_WITHHOLDING | Amphastar Pharmaceuticals, Inc. | 7,223 | 27.69 USD | |
| 14 Mar 2025 | EXERCISE | Amphastar Pharmaceuticals, Inc. | 211,213 | 14.69 USD | |
| 14 Mar 2025 | TAX_WITHHOLDING | Amphastar Pharmaceuticals, Inc. | 162,657 | 26.66 USD | |
| 15 Mar 2025 | TAX_WITHHOLDING | Amphastar Pharmaceuticals, Inc. | 4,115 | 26.66 USD | |
| 17 Mar 2025 | TAX_WITHHOLDING | Amphastar Pharmaceuticals, Inc. | 16,150 | 27.69 USD | |
| 14 Mar 2025 | EXERCISE | Amphastar Pharmaceuticals, Inc. | 290,477 | 0.00 USD | deriv |
| 14 Mar 2025 | EXERCISE | Amphastar Pharmaceuticals, Inc. | 211,213 | 0.00 USD | deriv |
| 10 Mar 2025 | GRANT_AWARD | Amphastar Pharmaceuticals, Inc. | 116,226 | 0.00 USD | |
| 10 Mar 2025 | GRANT_AWARD | Amphastar Pharmaceuticals, Inc. | 48,996 | 0.00 USD | |
| 10 Mar 2025 | GRANT_AWARD | Amphastar Pharmaceuticals, Inc. | 246,821 | 0.00 USD | deriv |