Lee Howard
SEC CIK 1379941 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| AMPH | Amphastar Pharmaceuticals, Inc. | Dir | 159.3K | — | $1.49M | 15 | 2022-05-23 | 2026-06-02 |
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% | — | — |
| 12 | Lee Howard | Dir | — | — |
Transactions 15
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-06-03 21:20 | 2026-06-01 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | A - Grant | $0.00 | +8,143 | 160.1K | +5% | $0 |
| D | 2026-06-03 21:20 | 2026-06-02 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | F - Tax | $18.45 | -769 | 159.3K | -0.5% | -$14.2K |
| D | 2025-06-04 | 2025-06-03 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | F - Tax | $26.01 | -923 | 152.0K | -0.6% | -$24.0K |
| D | 2025-06-04 | 2025-06-02 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | A - Grant | $0.00 | +5,122 | 152.9K | +3% | $0 |
| D | 2024-06-05 | 2024-06-03 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | A - Grant | $0.00 | +3,076 | 148.4K | +2% | $0 |
| D | 2024-06-05 | 2024-06-05 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | F - Tax | $42.04 | -579 | 147.8K | -0.4% | -$24.3K |
| 2023-06-12 | 2023-06-10 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | F - Tax | $45.67 | -375 | 145.3K | -0.3% | -$17.1K | |
| D | 2023-06-07 | 2023-06-05 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | A - Grant | $0.00 | +2,716 | 145.7K | +2% | $0 |
| D | 2023-06-05 | 2023-06-01 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | M - OptEx | $16.69 | +16.7K | 159.6K | +12% | +$278.4K |
| D | 2023-06-05 | 2023-06-01 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | S - Sale+OE | $45.02 | -16.7K | 142.9K | -10% | -$750.9K |
| D | 2022-06-14 | 2022-06-10 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | A - Grant | $0.00 | +4,163 | 142.9K | +3% | $0 |
| D | 2022-06-07 | 2022-06-06 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | S - Sale+OE | $37.79 | -10.3K | 138.8K | -7% | -$388.9K |
| D | 2022-06-07 | 2022-06-06 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | M - OptEx | $17.11 | +10.3K | 149.1K | +7% | +$176.1K |
| D | 2022-05-25 | 2022-05-23 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | M - OptEx | $17.11 | +10.0K | 148.8K | +7% | +$171.1K |
| D | 2022-05-25 | 2022-05-23 | AMPH | Amphastar Pharmaceuticals, Inc. | Lee Howard | Dir | S - Sale+OE | $34.93 | -10.0K | 138.8K | -7% | -$349.3K |
Purchase Sale Sale after option exercise All abbreviations