4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001415889-24-007106
CEO & CHIEF SCIENTIFIC OFFICER acquired 91,420 shares (grant or award)
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| Zhang Jack Y. CEO & CHIEF SCIENTIFIC OFFICER | 2024-03-04 | Grant or award | +64,310 | 2,143,028 | D | ||
| Zhang Jack Y. CEO & CHIEF SCIENTIFIC OFFICER | 2024-03-04 | Grant or award | +27,110 | 1,131,526 | I | ||
| Derivatives | |||||||
| Zhang Jack Y. CEO & CHIEF SCIENTIFIC OFFICER | 2024-03-04 | Grant or award · Employee Stock Option (right to buy) | +135,473 | 135,473 | D | ||
| Zhang Jack Y. CEO & CHIEF SCIENTIFIC OFFICER | 2024-03-04 | Grant or award · Employee Stock Option (right to buy) | +57,109 | 57,109 | I | ||
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