

Market & Alt Data
| Trade Date | Filed | Owner | Role | Type | Shares | Price | Value | Owned After | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-24 | 2026-08-25 | Stepien Thomas M | Director & Chief Executive Officer | Sale | 8,000 | $10.03 | $80K | 594.1K | View | |
| 2026-08-21 | 2026-08-25 | Stefan Constantin Ionel | Chief Technology Officer | Sale | 29.7K | $10.34 | $307K | 771.6K | View | |
| 2026-08-21 | 2026-08-25 | Sun Kang | Director | Sale | 62.1K | $10.34 | $642K | 1.22M | View | |
| 2026-08-21 | 2026-08-25 | Stepien Thomas M | Director & Chief Executive Officer | Sale | 23.5K | $10.34 | $243K | 602.1K | View | |
| 2026-06-15 | 2026-06-16 | DIXON DONALD R | Director | Sale | 85.0K | $17.17 | $1.46M | 359.4K | View |
Informational purposes only, not investment advice.
tormere.com/research/AMPX · generated 2026-11-07
| Date | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 2026-08-24 | Stepien Thomas M | S | 8,000 | $80,240 |
| 2026-08-21 | Stefan Constantin Ionel | S | 29,681 | $306,931.22 |
| 2026-08-21 | Sun Kang | S | 62,101 | $642,186.44 |
| 2026-08-21 | Stepien Thomas M | S | 23,529 | $243,313.39 |
| 2026-06-15 | DIXON DONALD R | S | 85,000 | $1M |
Tormere — informational purposes only, not investment advice.