4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-17-035203
CEO & Chief Scientific Officer acquired 647,343 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 | 2017-05-23 | Option exercise | +382,448 | $11.51 | $4,400,447 | 1,554,950 | D |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2017-05-23 | Option exercise | +264,895 | $11.51 | $3,047,882 | 1,058,705 | I |
| Derivatives | |||||||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2017-05-23 | Option exercise · Employee Stock Option (right to buy) | −382,448 | 0 | D | ||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2017-05-23 | Option exercise · Employee Stock Option (right to buy) | −264,895 | 0 | I | ||
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