Form 4 for AMPH Amphastar Pharmaceuticals, Inc.
Accepted 2025-06-04 00:00:00 ET · period of report 2025-06-02 · accession 0001415889-25-015656 · 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 | 2025-06-04 | 2025-06-02 | AMPH | ZASLOFF MICHAEL A | Dir | A - Grant | $0.00 | +5,122 | 29.5K | +21% | $0 |
| D | 2025-06-04 | 2025-06-02 | AMPH | ZASLOFF MICHAEL A | Dir | A - Grant | $0.00 | +11.4K | 11.4K | 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 | 2025-06-02 | A | A | 5,122 | $0.00 | 29,524 | D | — | — | (F1) The reported shares are represented by restricted stock units, or RSUs, all of which vest on June 2, 2026. |
| 2 | Derivative | Stock Option (right to buy) | 2025-06-02 | A | A | 11,402 | $0.00 | 11,402 | D | $25.38 · — to 2035-06-02 | 11,402 Common Stock | (F2) All of the shares subject to the option vest on June 2, 2026. |