4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-17-068630
CEO & Chief Scientific Officer acquired 506,337 shares (option exercise)
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 | 2017-11-13 | Option exercise | −319,792 | $12.02 | $3,844,859 | 1,897,847 | D |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2017-11-13 | Option exercise | −186,545 | $12.02 | $2,242,831 | 1,263,378 | I |
| Derivatives | |||||||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2017-11-13 | Option exercise · Employee Stock Option (right to buy) | −319,792 | 959,375 | D | ||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2017-11-13 | Option exercise · Employee Stock Option (right to buy) | −186,545 | 559,636 | I | ||
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