4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-18-019045
CEO & Chief Scientific Officer gave up 67,207 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 | 2018-03-16 | Shares withheld for taxes | −19,360 | $19.91 | $385,458 | 2,091,834 | D |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2018-03-17 | Shares withheld for taxes | −30,487 | $19.91 | $606,996 | 2,061,347 | D |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2018-03-16 | Shares withheld for taxes | −7,771 | $19.91 | $154,721 | 1,364,562 | I |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2018-03-17 | Shares withheld for taxes | −9,589 | $19.91 | $190,917 | 1,354,973 | I |
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