4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-22-035735
CEO & Chief Scientific Officer gave up 58,487 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 | 2022-03-16 | Shares withheld for taxes | −25,241 | $34.22 | $863,747 | 2,357,782 | D |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2022-03-17 | Shares withheld for taxes | −15,768 | $34.18 | $538,950 | 2,342,014 | D |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2022-03-16 | Shares withheld for taxes | −10,426 | $34.22 | $356,778 | 1,505,571 | I |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2022-03-17 | Shares withheld for taxes | −7,052 | $34.18 | $241,037 | 1,498,519 | I |
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