4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001104659-18-071437
Director returned 29,278 shares (to the company)
- Director acquired 29,278 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 |
|---|---|---|---|---|---|---|---|
| Petersen Floyd F. Director | 2018-12-03 | Option exercise | +29,278 | $14.66 | $429,215 | 100,429 | D |
| Petersen Floyd F. Director | 2018-12-03 | Returned to the company | −29,278 | $22.45 | $657,414 | 71,151 | D |
| Derivatives | |||||||
| Petersen Floyd F. Director | 2018-12-12 | Option exercise · Stock Option (right to buy) | −29,278 | 29,278 | D | ||
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