4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001209191-15-054326
CEO & Chief Science Officer sold 45,382 shares at $16.29 ($739,445)
- CEO & Chief Science Officer acquired 50,061 shares (option exercise)
- CEO & Chief Science Officer gave up 4,679 shares (to pay taxes)
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 | 2015-06-15 | Option exercise | +50,061 | $12.97 | $649,291 | 961,697 | D |
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-15 | Sale | −45,382 | $16.29 | $739,445 | 916,315 | D |
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-15 | Shares withheld for taxes | −4,679 | $16.29 | $76,239 | 911,636 | D |
| Derivatives | |||||||
| Zhang Jack Y. CEO & Chief Science Officer | 2015-06-15 | Option exercise · Employee Stock Option (right to buy) | −50,061 | 8,481 | D | ||
| Open-market sales · 45,382 sh · avg $16.29 · $739,445 | |||||||
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