4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-15-040498
Director sold 29,452 shares at an average $14.77 ($435,085)
- Director acquired 27,788 shares (option exercise)
- Director acquired 1,664 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 | 2015-05-20 | Option exercise | +13,945 | $11.68 | $162,878 | 49,996 | D |
| PRINS RICHARD K Director | 2015-05-20 | Sale | −13,945 | $14.79 | $206,252 | 36,051 | D |
| PRINS RICHARD K Director | 2015-05-21 | Option exercise | +11,901 | $11.68 | $139,004 | 47,952 | D |
| PRINS RICHARD K Director | 2015-05-21 | Option exercise | −1,664 | $10.77 | $17,921 | 49,616 | D |
| PRINS RICHARD K Director | 2015-05-21 | Sale | −13,565 | $14.76 | $200,179 | 36,051 | D |
| PRINS RICHARD K Director | 2015-05-22 | Option exercise | +1,942 | $10.77 | $20,915 | 37,993 | D |
| PRINS RICHARD K Director | 2015-05-22 | Sale | −1,942 | $14.76 | $28,654 | 36,051 | D |
| Derivatives | |||||||
| PRINS RICHARD K Director | 2015-05-20 | Option exercise · Stock Option (right to buy) | −13,945 | 11,901 | D | ||
| PRINS RICHARD K Director | 2015-05-21 | Option exercise · Stock Option (right to buy) | −11,901 | 0 | D | ||
| PRINS RICHARD K Director | 2015-05-21 | Option exercise · Stock Option (right to buy) | −1,664 | 49,442 | D | ||
| PRINS RICHARD K Director | 2015-05-22 | Option exercise · Stock Option (right to buy) | −1,942 | 47,500 | D | ||
| Open-market sales · 29,452 sh · avg $14.77 · $435,085 | |||||||
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