4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001415889-25-008497
CFO, EVP & TREASURER gave up 4,972 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 |
|---|---|---|---|---|---|---|---|
| PETERS WILLIAM J CFO, EVP & TREASURER | 2025-03-15 | Shares withheld for taxes | −1,968 | $26.66 | $52,467 | 128,262 | D |
| PETERS WILLIAM J CFO, EVP & TREASURER | 2025-03-17 | Shares withheld for taxes | −3,004 | $27.69 | $83,181 | 125,258 | D |
Loading xslF345X05/form4-03182025_100315.xml…