Form 4 for AMPH Amphastar Pharmaceuticals, Inc.
Accepted 2026-07-13 19:38:01 ET · period of report 2026-07-09 · accession 0002141303-26-000005 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-07-13 19:38 | 2026-07-09 | AMPH | Pierce Anthony T | Dir | A - Grant | $0.00 | +7,886 | 7,886 | New | $0 |
| D | 2026-07-13 19:38 | 2026-07-09 | AMPH | Pierce Anthony T | Dir | A - Grant | $0.00 | +16.6K | 16.6K | New | $0 |
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 | 2026-07-09 | A | A | 7,886 | $0.00 | 7,886 | D | — | — | (F1) The reported shares are represented by restricted stock units, or RSUs, all of which vest on July 9, 2027. |
| 2 | Derivative | Stock Option (right to buy) | 2026-07-09 | A | A | 16,646 | $0.00 | 16,646 | D | $19.02 · — to 2036-07-09 | 16,646 Common Stock | (F2) All of the shares subject to the option vest on July 9, 2027. |