4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001379941-26-000003
Director gave up 769 shares (to pay taxes)
- Director acquired 8,143 shares (grant or award)
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| Lee Howard Director | 2026-06-01 | Grant or award | +8,143 | 160,119 | D | ||
| Lee Howard Director | 2026-06-02 | Shares withheld for taxes | −769 | $18.45 | $14,188 | 159,350 | D |
| Derivatives | |||||||
| Lee Howard Director | 2026-06-01 | Grant or award · Stock Option (right to buy) | +17,365 | 17,365 | D | ||
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