4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-23-034573
CEO & Chief Scientific Officer gave up 58,059 shares (to pay taxes)
- CEO & Chief Scientific Officer gave 114,730 shares (gift)
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 | 2023-03-16 | Gift | −57,365 | 0 | I | ||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2023-03-16 | Gift | −57,365 | 0 | I | ||
| Zhang Jack Y. CEO & Chief Scientific Officer | 2023-03-16 | Shares withheld for taxes | −25,241 | $37.60 | $949,062 | 2,094,486 | D |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2023-03-16 | Shares withheld for taxes | −9,998 | $37.60 | $375,925 | 1,462,654 | I |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2023-03-17 | Shares withheld for taxes | −15,768 | $36.29 | $572,221 | 2,078,718 | D |
| Zhang Jack Y. CEO & Chief Scientific Officer | 2023-03-17 | Shares withheld for taxes | −7,052 | $36.29 | $255,917 | 1,455,602 | I |
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