AMPX Insider Transactions
| Ticker | Date | Name | Title | Shares | Price | Transaction | Total | Detail |
|---|---|---|---|---|---|---|---|---|
| AMPX | 6/4/2026 | Stepien Thomas M | Chief Executive Officer | 2,000 | $20.97 | Dispose | 42k$ | Open |
| AMPX | 6/4/2026 | Stepien Thomas M | Chief Executive Officer | 67,298 | $ | Dispose | 0 | Open |
| AMPX | 5/27/2026 | Stefan Constantin Ionel | Chief Technology Officer | 3,208 | $17.19 | Dispose | 55k$ | Open |
| AMPX | 5/27/2026 | Sun Kang | 356 | $17.19 | Dispose | 6k$ | Open | |
| AMPX | 5/27/2026 | Stepien Thomas M | Chief Executive Officer | 4,375 | $17.19 | Dispose | 75k$ | Open |
| AMPX | 5/21/2026 | Stefan Constantin Ionel | Chief Technology Officer | 28,812 | $14.79 | Dispose | 426k$ | Open |
| AMPX | 5/21/2026 | Stepien Thomas M | Chief Executive Officer | 60,702 | $14.79 | Dispose | 898k$ | Open |
| AMPX | 5/21/2026 | Sun Kang | 67,796 | $14.79 | Dispose | 1.0M$ | Open | |
| AMPX | 4/1/2026 | Sun Kang | 1,500,000 | $15.91 | Dispose | 23.9M$ | Open | |
| AMPX | 3/12/2026 | HSIEH Wen Hsuan | 413,146 | $18.44 | Dispose | 7.6M$ | Open | |
| AMPX | 3/12/2026 | Chu Steven | 155,565 | $18.50 | Dispose | 2.9M$ | Open | |
| AMPX | 3/10/2026 | Chu Steven | 166,632 | $17.92 | Dispose | 3.0M$ | Open | |
| AMPX | 2/23/2026 | Stefan Constantin Ionel | Chief Technology Officer | 25,366 | $10.16 | Dispose | 258k$ | Open |
| AMPX | 2/23/2026 | Sun Kang | 61,251 | $10.16 | Dispose | 622k$ | Open | |
| AMPX | 1/28/2026 | Stefan Constantin Ionel | Chief Technology Officer | 39,690 | $12.00 | Dispose | 476k$ | Open |
| AMPX | 1/23/2026 | Stefan Constantin Ionel | Chief Technology Officer | 1,600 | $12.00 | Dispose | 19k$ | Open |
| AMPX | 1/22/2026 | Stefan Constantin Ionel | Chief Technology Officer | 492,827 | $12.04 | Dispose | 5.9M$ | Open |
| AMPX | 1/21/2026 | Stefan Constantin Ionel | Chief Technology Officer | 73,280 | $12.00 | Dispose | 879k$ | Open |
| AMPX | 1/20/2026 | Sun Kang | 43,185 | $11.03 | Dispose | 476k$ | Open | |
| AMPX | 1/16/2026 | Sun Kang | 950,548 | $11.07 | Dispose | 10.5M$ | Open | |
| AMPX | 1/12/2026 | Sun Kang | 506,267 | $10.10 | Dispose | 5.1M$ | Open | |
| AMPX | 12/11/2025 | Stefan Constantin Ionel | Chief Technology Officer | 198,255 | $10.51 | Dispose | 2.1M$ | Open |
| AMPX | 11/21/2025 | Stefan Constantin Ionel | Chief Technology Officer | 25,024 | $10.08 | Dispose | 252k$ | Open |
| AMPX | 11/21/2025 | Sun Kang | Chief Executive Officer | 68,655 | $10.08 | Dispose | 692k$ | Open |
| AMPX | 11/17/2025 | Sun Kang | Chief Executive Officer | 1,000,000 | $10.60 | Dispose | 10.6M$ | Open |
| AMPX | 8/21/2025 | Stefan Constantin Ionel | Chief Technology Officer | 19,159 | $6.82 | Dispose | 131k$ | Open |
| AMPX | 8/21/2025 | Wallach Sandra | Chief Financial Officer | 28,390 | $6.82 | Dispose | 194k$ | Open |
| AMPX | 8/21/2025 | Sun Kang | Chief Executive Officer | 65,654 | $6.82 | Dispose | 448k$ | Open |
| AMPX | 5/21/2025 | Stefan Constantin Ionel | Chief Technology Officer | 20,366 | $2.43 | Dispose | 50k$ | Open |
| AMPX | 5/21/2025 | Wallach Sandra | Chief Financial Officer | 27,595 | $2.43 | Dispose | 67k$ | Open |
| AMPX | 5/21/2025 | Sun Kang | Chief Executive Officer | 69,786 | $2.43 | Dispose | 170k$ | Open |
| AMPX | 2/21/2025 | Bornstein Jonathan | President of Amprius Lab | 13,527 | $3.13 | Dispose | 42k$ | Open |
| AMPX | 2/21/2025 | Stefan Constantin Ionel | Chief Technology Officer | 9,066 | $3.13 | Dispose | 28k$ | Open |
| AMPX | 2/21/2025 | Wallach Sandra | Chief Financial Officer | 18,142 | $3.13 | Dispose | 57k$ | Open |
| AMPX | 2/21/2025 | Sun Kang | Chief Executive Officer | 34,353 | $3.13 | Dispose | 108k$ | Open |