4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-18-021007
CEO & Chief Scientific Officer gave up 29,572 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 Scientific Officer | 2018-03-26 | Shares withheld for taxes | −20,728 | $18.61 | $385,748 | 2,040,619 | D |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2018-03-26 | Shares withheld for taxes | −8,844 | $18.61 | $164,587 | 1,346,129 | I |
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