4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-20-035468
CEO & Chief Scientific Officer gave up 33,644 shares (to pay taxes)
- CEO & Chief Scientific Officer acquired 221,027 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 | 2020-03-16 | Shares withheld for taxes | −25,873 | $13.03 | $337,125 | 2,094,264 | D |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2020-03-16 | Grant or award | +152,724 | 2,246,988 | D | ||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2020-03-16 | Shares withheld for taxes | −7,771 | $13.03 | $101,256 | 1,381,658 | I |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2020-03-16 | Grant or award | +68,303 | 1,449,961 | I | ||
| Derivatives | |||||||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2020-03-16 | Grant or award · Employee Stock Option (right to buy) | +405,003 | 405,003 | D | ||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2020-03-16 | Grant or award · Employee Stock Option (right to buy) | +181,134 | 181,134 | I | ||
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