4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001645326-25-000004
SENIOR EVP, PRODUCTION CENTER sold 9,787 shares at $26.20 ($256,379)
- SENIOR EVP, PRODUCTION CENTER acquired 9,787 shares (option exercise)
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 | 2025-12-17 | Option exercise | +9,787 | $11.33 | $110,887 | 147,830 | D |
| Zhou Rong SENIOR EVP, PRODUCTION CENTER | 2025-12-17 | Sale | −9,787 | $26.20 | $256,379 | 138,043 | D |
| Derivatives | |||||||
| Zhou Rong SENIOR EVP, PRODUCTION CENTER | 2025-12-17 | Option exercise · Employee Stock Option (right to buy) | −9,787 | 0 | D | ||
| Open-market sales · 9,787 sh · avg $26.20 · $256,379 | |||||||
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