Insider · CIK 0001611283
Diane G. Gerst
Files at: AMPH. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 1, 2026 AForm 4 → | Jun 3, 8:33 pm EDT | Amphastar Pharmaceuticals, Inc.AMPH | 8,143 | — | — | 31,899 | — |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 1, 2026 AForm 4 → | Jun 3, 8:33 pm EDT | Amphastar Pharmaceuticals, Inc.AMPH | 17,365 | — | — | 17,365 | — |