4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-21-149242
Director sold 5,291 shares at $21.36 ($113,006)
- Director acquired 5,291 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 |
|---|---|---|---|---|---|---|---|
| PRINS RICHARD K Director | 2021-12-10 | Option exercise | +5,291 | $17.11 | $90,529 | 50,470 | D |
| PRINS RICHARD K Director | 2021-12-10 | Sale | −5,291 | $21.36 | $113,006 | 45,179 | D |
| Derivatives | |||||||
| PRINS RICHARD K Director | 2021-12-10 | Option exercise · Stock Option (right to buy) | −5,291 | 10,000 | D | ||
| Open-market sales · 5,291 sh · avg $21.36 · $113,006 | |||||||
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