4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001645326-26-000003
SENIOR EVP, PRODUCTION CENTER gave up 1,124 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 |
|---|---|---|---|---|---|---|---|
| Zhou Rong SENIOR EVP, PRODUCTION CENTER | 2026-03-04 | Shares withheld for taxes | −1,124 | $19.96 | $22,435 | 136,919 | D |
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