4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-21-075928
Director sold 25,827 shares at $19.28 ($498,009)
- Director acquired 25,827 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 |
|---|---|---|---|---|---|---|---|
| Koo Richard Director | 2021-06-01 | Option exercise | +25,827 | $16.43 | $424,338 | 279,097 | D |
| Koo Richard Director | 2021-06-01 | Sale | −25,827 | $19.28 | $498,009 | 253,270 | D |
| Derivatives | |||||||
| Koo Richard Director | 2021-06-01 | Option exercise · Stock Option (right to buy) | −25,827 | 0 | D | ||
| Open-market sales · 25,827 sh · avg $19.28 · $498,009 | |||||||
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