Filing Flows › ClearSign Technologies (CLIR) › Q2 2025
ClearSign Technologies (CLIR) Q2 2025 earnings results (second quarter 2025)
10-Q filed Aug 14, 2025
ClearSign Technologies (CLIR) reported revenue of $133K for the second quarter 2025 (Q2 2025), +196% from a year earlier and -67% from the quarter before.
ClearSign Technologies, Q2 2025: revenue $133K (+196% year over year), net loss $1.7M, operating cash flow −$511K. The chart follows the revenue to costs, profit and cash.
| Q2 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $133K | -67% | +196% |
| Operating profit | −$1.8M | — | — |
| Net earnings | −$1.7M | — | — |
| Operating cash flow | −$511K | — | — |
What changed
Revenue was $133K in Q2 2025, up 196% year over year and down 67% from the previous quarter.
Gross margin was 41.4%, down 52.0 points from a year earlier. Operating costs exceeded revenue by $1.8M, an operating margin of -1382.0%. Operating expenses fell 13% while revenue rose 196%. The quarter ended with a net loss of $1.7M, narrower than the previous quarter's $2.1M loss.
Operating cash flow was −$511K. Non-cash charges added back $50K of depreciation and amortization and $51K of share-based compensation. Working capital and other items added $1.1M.
Questions
What was ClearSign Technologies' revenue in the second quarter 2025?
ClearSign Technologies (CLIR) reported revenue of $133K for the second quarter 2025 (Q2 2025), +196% from a year earlier and -67% from the quarter before.