Gaugh David Russell
SEC CIK 2075974 · EDGAR
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| AMPH | Amphastar Pharmaceuticals, Inc. | Dir | 14.4K | — | — | 2 | 2025-07-18 | 2026-06-01 |
Most active insiders at AMPH, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Petersen Floyd F. | Dir | — | $575.6K |
| 2 | Zhou Rong | SENIOR EVP, PRODUCTION CENTER | — | $571.1K |
| 3 | PETERS WILLIAM J | CFO, EVP, Treas, Dir | — | $287.4K |
| 4 | PRINS RICHARD K | Dir | — | $275.1K |
| 5 | Pierce Anthony T | Dir | — | — |
| 6 | Gaugh David Russell | Dir | — | — |
| 7 | Deflin Gayle | Dir | — | — |
| 8 | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | — | — |
| 9 | Gerst Diane G. | Dir | — | — |
| 10 | Zhang Jack Y. | CEO, CSO, Dir, 10% | — | — |
Transactions 2
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-06-03 20:31 | 2026-06-01 | AMPH | Amphastar Pharmaceuticals, Inc. | Gaugh David Russell | Dir | A - Grant | $0.00 | +8,143 | 14.4K | +129% | $0 |
| D | 2025-07-22 | 2025-07-18 | AMPH | Amphastar Pharmaceuticals, Inc. | Gaugh David Russell | Dir | A - Grant | $0.00 | +6,304 | 6,304 | New | $0 |
Purchase Sale Sale after option exercise All abbreviations