Filing Flows › ClearSign Technologies (CLIR) › Q2 2026
ClearSign Technologies (CLIR) Q2 2026 earnings results (second quarter 2026)
10-Q filed Aug 14, 2026
ClearSign Technologies (CLIR) reported revenue of $560K for the second quarter 2026 (Q2 2026), +321% from a year earlier and +193% from the quarter before. Operating margin was -267.5%, net loss $1.3M (233.4% of revenue).
ClearSign Technologies, Q2 2026: revenue $560K (+321% year over year), operating margin -267.5%, net loss $1.3M, operating cash flow −$1.2M. The chart follows the revenue to costs, profit and cash.
| Q2 2026 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $560K | +193% | +321% |
| Operating profit | −$1.5M | — | — |
| Net earnings | −$1.3M | — | — |
| Operating cash flow | −$1.2M | — | — |
What changed
Revenue was $560K in Q2 2026, up 321% year over year and up 193% from the previous quarter.
Gross margin was 40.7%, down 0.6 points from Q2 2025. Operating costs exceeded revenue by $1.5M, an operating margin of -267.5%. Operating expenses fell 9% while revenue rose 321%. The fastest-growing cost line was Research & development (+81%). The quarter ended with a net loss of $1.3M, narrower than the previous quarter's $2.2M loss.
Operating cash flow was −$1.2M. Non-cash charges added back $38K of depreciation and amortization and $80K of share-based compensation.
Questions
What was ClearSign Technologies' revenue in the second quarter 2026?
ClearSign Technologies (CLIR) reported revenue of $560K for the second quarter 2026 (Q2 2026), +321% from a year earlier and +193% from the quarter before.
Was ClearSign Technologies profitable in the second quarter 2026?
Operating loss was $1.5M (-267.5% of revenue) and net loss $1.3M.