Form 4 for AMPH Amphastar Pharmaceuticals, Inc.
Accepted 2026-03-06 00:00:00 ET · period of report 2026-03-04 · accession 0001645326-26-000003 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-06 | 2026-03-04 | AMPH | Zhou Rong | SENIOR EVP, PRODUCTION CENTER | F - Tax | $19.96 | -1,124 | 136.9K | -0.8% | -$22.4K |
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 | 2026-03-04 | F | D | 1,124 | $19.96 | 136,919 | 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. |