Executives & Insiders
AMPX Key People
0 officers · 0 directors · 0 10%+ owners
Other Insiders(6)
| Name | Title / Role | Shares Owned |
|---|---|---|
| Chu Steven | — | — |
| HSIEH Wen Hsuan | — | — |
| RODRIGUEZ RICARDO C. | — | — |
| Stefan Constantin Ionel | — | — |
| Stepien Thomas M | — | — |
| Sun Kang | — | 1,342,400 |
Recent Insider Transactions (90d)
| Date | Insider | Title | Code | Shares | Price |
|---|---|---|---|---|---|
| 2026-03-23 | Sun Kang | — | S | -65,046 | $19.06 |
| 2026-03-23 | Sun Kang | — | S | -152,823 | $18.69 |
| 2026-03-04 | RODRIGUEZ RICARDO C. | — | A | +150,000 | $0.00 |
| 2026-03-12 | HSIEH Wen Hsuan | — | M | +270,251 | $2.61 |
| 2026-03-12 | HSIEH Wen Hsuan | — | S | -282,500 | $18.55 |
| 2026-03-12 | HSIEH Wen Hsuan | — | S | -130,646 | $18.22 |
| 2026-03-12 | Chu Steven | — | S | -50,000 | $18.21 |
| 2026-03-12 | Chu Steven | — | S | -100,000 | $18.65 |
| 2026-03-12 | Chu Steven | — | M | +86,143 | $2.61 |
| 2026-03-12 | Chu Steven | — | M | +69,422 | $0.62 |
| 2026-03-12 | Chu Steven | — | S | -5,565 | $18.53 |
| 2026-03-10 | Chu Steven | — | M | +104,132 | $0.62 |
| 2026-03-10 | Chu Steven | — | S | -166,632 | $17.92 |
| 2026-03-04 | RODRIGUEZ RICARDO C. | — | A | +150,000 | $0.00 |
| 2026-03-04 | Stepien Thomas M | — | A | +150,000 | $0.00 |
| 2026-03-04 | Stefan Constantin Ionel | — | A | +110,000 | $0.00 |
| 2026-02-23 | Sun Kang | — | S | -61,251 | $10.16 |
| 2026-02-23 | Stefan Constantin Ionel | — | S | -25,366 | $10.16 |
| 2026-01-28 | Stefan Constantin Ionel | — | M | +39,600 | $0.05 |
| 2026-01-28 | Stefan Constantin Ionel | — | M | +90 | $0.62 |
| 2026-01-28 | Stefan Constantin Ionel | — | S | -39,690 | $12.00 |