3 Form 4 filings for AMPX between 2026-08-25 and 2026-08-25, from 3 filers. 3 discretionary (3 sales, 0 purchases). 1 of 3 state a filing-level total, summing to $323,553; the rest report only their largest transaction, so the true figure is higher. Prices ran $10 to $10.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-08-25 | Sun Kang | sold | 62,101 | $10.34 | — | — | |
| 2026-08-25 | Stefan Constantin Ionel | sold | 29,681 | $10.34 | — | — | |
| 2026-08-25 | Stepien Thomas M | sold | 23,529 | $10.34 | $323,553 | 7 | |
| 3 filings · 3 filers · disclosed totals only | $323,553 (1/3) | — | |||||