4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-22-035099
EVP, Production Center gave up 1,652 shares (to pay taxes)
- EVP, Production Center acquired 13,658 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 |
|---|---|---|---|---|---|---|---|
| Zhou Rong EVP, Production Center | 2022-03-15 | Grant or award | +13,658 | 83,965 | D | ||
| Zhou Rong EVP, Production Center | 2022-03-15 | Shares withheld for taxes | −1,652 | $34.74 | $57,390 | 82,313 | D |
| Derivatives | |||||||
| Zhou Rong EVP, Production Center | 2022-03-15 | Grant or award · Employee Stock Option (right to buy) | +31,516 | 31,516 | D | ||
Loading xslF345X03/tm227973-8_4seq1.xml…