Form 4 for AMPH Amphastar Pharmaceuticals, Inc.
Accepted 2025-06-16 00:00:00 ET · period of report 2025-06-13 · accession 0001415889-25-017423 · 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 | 2025-06-16 | 2025-06-13 | AMPH | Zhang Jack Y. | CEO, CSO, Dir, 10% | M - OptEx | $13.03 | +200.0K | 2.85M | +8% | +$2.61M |
| D | 2025-06-16 | 2025-06-13 | AMPH | Zhang Jack Y. | CEO, CSO, Dir, 10% | M - OptEx | $0.00 | -200.0K | 205.0K | -49% | $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 | 2025-06-13 | M | A | 200,000 | $13.03 | 2,847,659 | D | — | — | |
| 2 | Derivative | Employee Stock Option (right to buy) | 2025-06-13 | M | D | 200,000 | $0.00 | 205,003 | D | $13.03 · — to 2028-03-16 | 200,000 Common Stock | (F3) Shares subject to the option are fully vested and immediately exercisable. |