4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-18-018390
Director sold 16,598 shares at $19.90 ($330,318)
- Director acquired 16,598 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 | 2018-03-15 | Option exercise | +16,598 | $14.66 | $243,327 | 45,442 | D |
| PRINS RICHARD K Director | 2018-03-15 | Sale | −16,598 | $19.90 | $330,318 | 28,844 | D |
| Derivatives | |||||||
| PRINS RICHARD K Director | 2018-03-15 | Option exercise · Stock Option (right to buy) | −16,598 | 20,000 | D | ||
| Open-market sales · 16,598 sh · avg $19.90 · $330,318 | |||||||
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