4
Changes in Ownership
Amphastar Pharmaceuticals, Inc. Filed Acc 0001047579-26-000003
Director acquired 8,143 shares (grant or award)
- Director gave 1,500 shares (gift)
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 | 2024-08-19 | Gift | −1,500 | 29,455 | D | ||
| PRINS RICHARD K Director | 2026-06-01 | Grant or award | +8,143 | 37,598 | D | ||
| Derivatives | |||||||
| PRINS RICHARD K Director | 2026-06-01 | Grant or award · Stock Option (right to buy) | +17,365 | 17,365 | D | ||
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