4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-16-146141
CEO & Chief Science Officer sold 444,199 shares at an average $21.03 ($9,342,804)
- CEO & Chief Science Officer acquired 444,199 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 | 2016-09-20 | Option exercise | +207,350 | $16.75 | $3,473,735 | 1,295,685 | D |
| Zhang Jack Y. CEO & Chief Science Officer | 2016-09-20 | Sale | −76,152 | $20.73 | $1,578,403 | 1,219,533 | D |
| Zhang Jack Y. CEO & Chief Science Officer | 2016-09-20 | Sale | −131,198 | $21.33 | $2,798,335 | 1,088,335 | D |
| Zhang Jack Y. CEO & Chief Science Officer | 2016-09-21 | Option exercise | +55,081 | $16.75 | $922,772 | 1,143,416 | D |
| Zhang Jack Y. CEO & Chief Science Officer | 2016-09-21 | Sale | −54,581 | $20.70 | $1,129,608 | 1,088,835 | D |
| Zhang Jack Y. CEO & Chief Science Officer | 2016-09-21 | Sale | −500 | $21.45 | $10,726 | 1,088,335 | D |
| Zhang Jack Y. CEO & Chief Science Officer | 2016-09-20 | Option exercise | +181,768 | $16.75 | $3,045,159 | 934,089 | I |
| Zhang Jack Y. CEO & Chief Science Officer | 2016-09-20 | Sale | −86,555 | $20.74 | $1,795,038 | 847,534 | I |
| Zhang Jack Y. CEO & Chief Science Officer | 2016-09-20 | Sale | −95,213 | $21.33 | $2,030,693 | 752,321 | I |
| Derivatives | |||||||
| Zhang Jack Y. CEO & Chief Science Officer | 2016-09-20 | Option exercise · Employee Stock Option (right to buy) | −207,350 | 55,081 | D | ||
| Zhang Jack Y. CEO & Chief Science Officer | 2016-09-21 | Option exercise · Employee Stock Option (right to buy) | −55,081 | 0 | D | ||
| Zhang Jack Y. CEO & Chief Science Officer | 2016-09-20 | Option exercise · Employee Stock Option (right to buy) | −181,768 | 0 | I | ||
| Open-market sales · 444,199 sh · avg $21.03 · $9,342,804 | |||||||
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