4/A
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0000899243-16-012655
CEO & Chief Science Officer sold 160,495 shares at an average $16.23 ($2,605,207)
- CEO & Chief Science Officer acquired 176,860 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 Science Officer | 2015-06-10 | Option exercise | +12,975 | $12.97 | $168,286 | 935,112 | D |
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-10 | Sale | −11,731 | $16.38 | $192,144 | 923,381 | D |
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-11 | Option exercise | +12,860 | $12.97 | $166,794 | 936,241 | D |
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-11 | Sale | −11,600 | $16.47 | $191,045 | 924,641 | D |
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-12 | Option exercise | +83,253 | $12.97 | $1,079,791 | 1,007,894 | D |
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-12 | Sale | −75,618 | $16.15 | $1,221,132 | 932,276 | D |
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-10 | Option exercise | +12,619 | $12.97 | $163,668 | 686,143 | I |
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-10 | Sale | −11,411 | $16.37 | $186,820 | 674,732 | I |
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-11 | Option exercise | +12,930 | $12.97 | $167,702 | 687,662 | I |
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-11 | Sale | −11,664 | $16.47 | $192,093 | 675,998 | I |
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-12 | Option exercise | +42,223 | $12.97 | $547,632 | 718,221 | I |
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-12 | Sale | −38,471 | $16.17 | $621,972 | 679,750 | I |
| Derivatives | |||||||
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-10 | Option exercise · Employee Stock Option (right to buy) | −12,975 | 154,655 | D | ||
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-11 | Option exercise · Employee Stock Option (right to buy) | −12,860 | 141,795 | D | ||
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-12 | Option exercise · Employee Stock Option (right to buy) | −83,253 | 58,542 | D | ||
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-10 | Option exercise · Employee Stock Option (right to buy) | −12,619 | 63,634 | I | ||
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-11 | Option exercise · Employee Stock Option (right to buy) | −12,930 | 50,704 | I | ||
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-12 | Option exercise · Employee Stock Option (right to buy) | −42,223 | 8,481 | I | ||
| Open-market sales · 160,495 sh · avg $16.23 · $2,605,207 | |||||||
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