Filing Flows › Amprius Technologies (AMPX) › Q4 2025
Amprius Technologies (AMPX) Q4 2025 earnings results (fourth quarter 2025)
10-K filed Mar 6, 2026
Amprius Technologies (AMPX) reported revenue of $25.2M for the fourth quarter 2025 (Q4 2025), +137% from a year earlier and +18% from the quarter before. Operating margin was -100.9%, net loss $24.4M (96.7% of revenue).
Amprius Technologies, Q4 2025: revenue $25.2M (+137% year over year), operating margin -100.9%, net loss $24.4M, operating cash flow −$3.5M. The chart follows the revenue to costs, profit and cash.
| Q4 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $25.2M | +18% | +137% |
| Operating profit | −$25.5M | — | — |
| Net earnings | −$24.4M | — | — |
| Operating cash flow | −$3.5M | — | — |
What changed
Revenue was $25.2M in Q4 2025, up 137% year over year and up 18% from the previous quarter.
Gross margin was 23.6%. Operating costs exceeded revenue by $25.5M, an operating margin of -100.9%. The fastest-growing cost line was Other operating costs (+1110%). The quarter ended with a net loss of $24.4M, wider than the previous quarter's $3.9M loss.
Operating cash flow was −$3.5M. Non-cash charges added back $1.2M of depreciation and amortization and $1.9M of share-based compensation. Working capital and other items added $17.8M. Capital expenditures of $2.4M exceeded it, leaving free cash flow of −$5.9M.
Questions
What was Amprius Technologies' revenue in the fourth quarter 2025?
Amprius Technologies (AMPX) reported revenue of $25.2M for the fourth quarter 2025 (Q4 2025), +137% from a year earlier and +18% from the quarter before.
Was Amprius Technologies profitable in the fourth quarter 2025?
Operating loss was $25.5M (-100.9% of revenue) and net loss $24.4M.