Form 4 for AMPH Amphastar Pharmaceuticals, Inc.
Accepted 2026-03-10 00:00:00 ET · period of report 2026-03-06 · accession 0001263136-26-000006 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-10 | 2026-03-06 | AMPH | PETERS WILLIAM J | CFO, EVP, Treas, Dir | F - Tax | $19.34 | -2,146 | 121.6K | -2% | -$41.5K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-03-06 | F | D | 2,146 | $19.34 | 121,640 | D | — | — | (F1) The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs. |