Form 4 for AMPH Amphastar Pharmaceuticals, Inc.
Accepted 2025-03-12 00:00:00 ET · period of report 2025-03-10 · accession 0001415889-25-007783 · 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 | 2025-03-12 | 2025-03-10 | AMPH | Zhang Jack Y. | CEO, CSO, Dir, 10% | A - Grant | $0.00 | +116.2K | 2.61M | +5% | $0 |
| DI | 2025-03-12 | 2025-03-10 | AMPH | Zhang Jack Y. | CEO, CSO, Dir, 10% | A - Grant | $0.00 | +49.0K | 1.15M | +4% | $0 |
| D | 2025-03-12 | 2025-03-10 | AMPH | Zhang Jack Y. | CEO, CSO, Dir, 10% | A - Grant | $0.00 | +246.8K | 246.8K | New | $0 |
| DI | 2025-03-12 | 2025-03-10 | AMPH | Zhang Jack Y. | CEO, CSO, Dir, 10% | A - Grant | $0.00 | +104.1K | 104.1K | 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 | 2025-03-10 | A | A | 116,226 | $0.00 | 2,609,382 | D | — | — | (F1) The reported shares are represented by restricted stock units, or RSUs, which vest in four equal annual installments beginning on March 10, 2026. |
| 2 | Common | Common Stock | 2025-03-10 | A | A | 48,996 | $0.00 | 1,148,257 | I See footnote | — | — | (F1) The reported shares are represented by restricted stock units, or RSUs, which vest in four equal annual installments beginning on March 10, 2026. (F2) The securities are held of record by Mary Z. Luo. The reporting persons are husband and wife. |
| 3 | Derivative | Employee Stock Option (right to buy) | 2025-03-10 | A | A | 246,821 | $0.00 | 246,821 | D | $28.41 · — to 2035-03-10 | 246,821 Common Stock | (F4) The shares subject to the option vest in four equal annual installments beginning on March 10, 2026. |
| 4 | Derivative | Employee Stock Option (right to buy) | 2025-03-10 | A | A | 104,052 | $0.00 | 104,052 | I See footnote | $28.41 · — to 2035-03-10 | 104,052 Common Stock | (F2) The securities are held of record by Mary Z. Luo. The reporting persons are husband and wife. (F4) The shares subject to the option vest in four equal annual installments beginning on March 10, 2026. |