4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-21-066131
Director sold 15,827 shares at $18.90 ($299,110)
- Director acquired 15,827 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 |
|---|---|---|---|---|---|---|---|
| PRINS RICHARD K Director | 2021-05-11 | Option exercise | +15,827 | $16.43 | $260,038 | 54,987 | D |
| PRINS RICHARD K Director | 2021-05-11 | Sale | −15,827 | $18.90 | $299,110 | 39,160 | D |
| Derivatives | |||||||
| PRINS RICHARD K Director | 2021-05-11 | Option exercise · Stock Option (right to buy) | −15,827 | 10,000 | D | ||
| Open-market sales · 15,827 sh · avg $18.90 · $299,110 | |||||||
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