4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0000899243-15-003613
CEO & Chief Scientific Officer acquired 16,962 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 | 2015-08-17 | Option exercise | +8,481 | $12.97 | $109,999 | 920,117 | D |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2015-08-17 | Option exercise | +8,481 | $12.97 | $109,999 | 670,147 | I |
| Derivatives | |||||||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2015-08-17 | Option exercise · Employee Stock Option (right to buy) | −8,481 | 0 | D | ||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2015-08-17 | Option exercise · Employee Stock Option (right to buy) | −8,481 | 0 | I | ||
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