4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-17-018125
CEO & Chief Scientific Officer gave up 33,059 shares (to pay taxes)
- CEO & Chief Scientific Officer acquired 223,969 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 | 2017-03-16 | Grant or award | +156,554 | 1,244,889 | D | ||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2017-03-17 | Shares withheld for taxes | −23,108 | $13.75 | $317,735 | 1,221,781 | D |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2017-03-16 | Grant or award | +67,415 | 819,736 | I | ||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2017-03-17 | Shares withheld for taxes | −9,951 | $13.75 | $136,826 | 809,785 | I |
| Derivatives | |||||||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2017-03-16 | Grant or award · Employee Stock Option (right to buy) | +490,477 | 490,477 | D | ||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2017-03-16 | Grant or award · Employee Stock Option (right to buy) | +211,213 | 211,213 | I | ||
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