Form 4 for AMPH Amphastar Pharmaceuticals, Inc.
Accepted 2025-03-06 00:00:00 ET · period of report 2025-03-04 · accession 0001415889-25-007188 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| I | 2025-03-06 | 2025-03-04 | AMPH | Luo Mary Z. | COO, COB, Chief Scientist, Dir, 10% | F - Tax | $27.62 | -2,426 | 1.10M | -0.2% | -$67.0K |
| 2025-03-06 | 2025-03-04 | AMPH | Luo Mary Z. | COO, COB, Chief Scientist, Dir, 10% | F - Tax | $27.62 | -5,753 | 2.50M | -0.2% | -$158.9K |
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 | 2025-03-04 | F | D | 2,426 | $27.62 | 1,102,330 | I See footnote | — | — | (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. (F2) The securities are held of record by Mary Z. Luo. The reporting persons are husband and wife. |
| 2 | Common | Common Stock | 2025-03-04 | F | D | 5,753 | $27.62 | 2,502,801 | 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. |