4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001263136-26-000008
CFO, EVP & TREASURER gave up 3,297 shares (to pay taxes)
- CFO, EVP & TREASURER acquired 58,693 shares (grant or award)
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| PETERS WILLIAM J CFO, EVP & TREASURER | 2026-03-09 | Grant or award | +58,693 | 180,333 | D | ||
| PETERS WILLIAM J CFO, EVP & TREASURER | 2026-03-10 | Shares withheld for taxes | −3,297 | $18.91 | $62,346 | 177,036 | D |
| Derivatives | |||||||
| PETERS WILLIAM J CFO, EVP & TREASURER | 2026-03-09 | Grant or award · Employee Stock Option (right to buy) | +121,071 | 121,071 | D | ||
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