4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-22-035096
CEO & Chief Scientific Officer gave up 19,545 shares (to pay taxes)
- CEO & Chief Scientific Officer acquired 109,326 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 | 2022-03-15 | Grant or award | +76,914 | 2,397,782 | D | ||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2022-03-15 | Shares withheld for taxes | −14,759 | $34.74 | $512,728 | 2,383,023 | D |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2022-03-15 | Grant or award | +32,412 | 1,520,783 | I | ||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2022-03-15 | Shares withheld for taxes | −4,786 | $34.74 | $166,266 | 1,515,997 | I |
| Derivatives | |||||||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2022-03-15 | Grant or award · Employee Stock Option (right to buy) | +177,461 | 177,461 | D | ||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2022-03-15 | Grant or award · Employee Stock Option (right to buy) | +74,784 | 74,784 | I | ||
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