We provide you with 20 years of free, institutional-grade data for AMPX stock, allowing you to gain comprehensive visibility into the fundamentals of the company. This in-depth information is essential for making informed investment decisions and understanding the financial health and performance of AMPX. Explore the full financial landscape of AMPX stock.
Total insider purchase within 3 month on this page: $0
Total insider selling within 3 month on this page: -$5,049,466
| Name | Action | Shares | Avg Price | Amount | Reported Date |
|---|---|---|---|---|---|
| SATTERTHWAITE LIVINGSTON | Grant, award...etc | 10,423 | 2026-06-16 | ||
| DIXON DONALD R | Sale | -85,000 | $17.17 | $1,459,212 | 2026-06-16 |
| DIXON DONALD R | Grant, award...etc | 10,423 | 2026-06-16 | ||
| Chu Steven | Grant, award...etc | 10,423 | 2026-06-16 | ||
| BAYLESS KATHLEEN A | Grant, award...etc | 10,423 | 2026-06-16 | ||
| DIXON DONALD R | Sale | -40,000 | $19.13 | $765,200 | 2026-06-11 |
| Stepien Thomas M | Sale | -2,000 | $20.97 | $41,940 | 2026-06-05 |
| Stepien Thomas M | Sale | -4,375 | $17.19 | $75,222 | 2026-05-28 |
| Stefan Constantin Ionel | Sale | -3,208 | $17.19 | $55,157 | 2026-05-28 |
| DIXON DONALD R | Sale | -17,895 | $17.9 | $320,252 | 2026-05-28 |
| Sun Kang | Sale | -356 | $17.19 | $6,121 | 2026-05-28 |
| Sun Kang | Sale | -67,796 | $14.79 | $1,002,594 | 2026-05-26 |
| Stefan Constantin Ionel | Sale | -28,812 | $14.79 | $426,083 | 2026-05-26 |
| Stepien Thomas M | Sale | -60,702 | $14.79 | $897,685 | 2026-05-26 |
| Sun Kang | Grant, award...etc | 6,250 | 2026-05-07 | ||
| Stepien Thomas M | Grant, award...etc | 200,000 | 2026-05-07 | ||
| Sun Kang | Sale | -1,500,000 | $15.73 | $23,599,200 | 2026-04-02 |
| Sun Kang | Derivatives Exercise | 1,500,000 | 2026-04-02 | ||
| Sun Kang | Sale | -217,869 | $18.69 | $4,071,165 | 2026-03-24 |
| RODRIGUEZ RICARDO C. | Grant, award...etc | 150,000 | 2026-03-13 | ||
| HSIEH Wen Hsuan | Sale | -413,146 | $18.55 | $7,662,206 | 2026-03-13 |
| HSIEH Wen Hsuan | Derivatives Exercise | 270,251 | 2026-03-13 | ||
| Chu Steven | Sale | -322,197 | $17.92 | $5,772,578 | 2026-03-12 |
| Chu Steven | Derivatives Exercise | 259,697 | 2026-03-12 | ||
| RODRIGUEZ RICARDO C. | Grant, award...etc | 150,000 | 2026-03-06 | ||
| Stepien Thomas M | Grant, award...etc | 150,000 | 2026-03-06 | ||
| Stefan Constantin Ionel | Grant, award...etc | 110,000 | 2026-03-06 | ||
| Sun Kang | Sale | -61,251 | $10.16 | $622,035 | 2026-02-24 |
| Stefan Constantin Ionel | Sale | -25,366 | $10.16 | $257,604 | 2026-02-24 |
| Stefan Constantin Ionel | Sale | -39,690 | $12 | $476,351 | 2026-01-30 |
| Stefan Constantin Ionel | Derivatives Exercise | 39,690 | 2026-01-30 | ||
| Stefan Constantin Ionel | Sale | -567,707 | $12 | $6,812,881 | 2026-01-23 |
| Stefan Constantin Ionel | Derivatives Exercise | 567,707 | 2026-01-23 | ||
| Stepien Thomas M | Grant, award...etc | 200,000 | 2025-12-22 | ||
| Stefan Constantin Ionel | Sale | -198,255 | $10.51 | $2,083,382 | 2025-12-15 |
| Stefan Constantin Ionel | Derivatives Exercise | 125,000 | 2025-12-15 | ||
| Sun Kang | Sale | -68,655 | $10.08 | $692,132 | 2025-11-25 |
| Stefan Constantin Ionel | Sale | -25,024 | $10.08 | $252,274 | 2025-11-25 |
| Sun Kang | Sale | -1,000,000 | $10.6 | $10,595,300 | 2025-11-19 |
| Sun Kang | Derivatives Exercise | 1,000,000 | 2025-11-19 | ||
| RODRIGUEZ RICARDO C. | Grant, award...etc | 200,000 | 2025-10-08 | ||
| Sun Kang | Sale | -65,654 | $6.82 | $447,511 | 2025-08-25 |
The information provided in this report about AMPX stock is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.
Amprius Technologies Inc(:AMPX) 
Amprius Technologies, Inc. produces and sells ultra-high energy density lithium-ion batteries for mobility applications. The company offers silicon nanowire anode batteries. Its batteries are primarily used for existing and emerging aviation applications, including unmanned aerial systems, such as d...
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