Filing Flows › Amprius Technologies (AMPX) › Q3 2025
Amprius Technologies (AMPX) Q3 2025 earnings results (third quarter 2025)
10-Q filed Nov 6, 2025
Amprius Technologies (AMPX) reported revenue of $21.4M for the third quarter 2025 (Q3 2025), +173% from a year earlier and +42% from the quarter before. Operating margin was -21.9%, net loss $3.9M (18.2% of revenue).
Amprius Technologies, Q3 2025: revenue $21.4M (+173% year over year), operating margin -21.9%, net loss $3.9M, operating cash flow −$9.2M. The chart follows the revenue to costs, profit and cash.
| Q3 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $21.4M | +42% | +173% |
| Operating profit | −$4.7M | — | — |
| Net earnings | −$3.9M | — | — |
| Operating cash flow | −$9.2M | — | — |
What changed
Revenue was $21.4M in Q3 2025, up 173% year over year and up 42% from the previous quarter.
Gross margin was 15.5%. Operating costs exceeded revenue by $4.7M, an operating margin of -21.9%. The fastest-growing cost line was Research & development (+38%). The quarter ended with a net loss of $3.9M, narrower than the previous quarter's $6.4M loss. Non-operating items added $800K, -21% of pre-tax earnings, so the bottom line overstates operating performance.
Operating cash flow was −$9.2M. Non-cash charges added back $1.2M of depreciation and amortization and $1.8M of share-based compensation. Working capital and other items used $8.3M. Capital expenditures of $414K exceeded it, leaving free cash flow of −$9.7M.
Questions
What was Amprius Technologies' revenue in the third quarter 2025?
Amprius Technologies (AMPX) reported revenue of $21.4M for the third quarter 2025 (Q3 2025), +173% from a year earlier and +42% from the quarter before.
Was Amprius Technologies profitable in the third quarter 2025?
Operating loss was $4.7M (-21.9% of revenue) and net loss $3.9M.