ClearSign Reports Preliminary Record Q4 Revenue Up 510% YoY, Full Year Up 44%
CLIR sits 73% above its 52-week low of $0.459 on elevated volume (2.9× avg).
Summary
ClearSign Technologies reported preliminary record Q4 2025 revenues up 510% year-over-year and full-year revenues up 44%, driven by strong product demand and a significant burner order.
Key Events · Earnings and Guidance · CLIR
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Record Quarterly Revenue Growth
Preliminary Q4 2025 revenues are expected to be approximately $3.6 million, representing a 510% increase year-over-year from $590 thousand in Q4 2024.
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Strong Full Year Performance
Preliminary full year 2025 revenues are expected to reach approximately $5.2 million, a 44% increase compared to $3.6 million in 2024.
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Operational Drivers
Q4 performance was bolstered by the completion of a significant 26-burner order for a U.S. Gulf Coast petrochemical facility, alongside contributions from diverse product lines and sales channels.
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Positive 2026 Outlook
CEO Jim Deller expressed confidence in sustaining or exceeding this growth trajectory in 2026, citing an expanded portfolio of low-NOx and hydrogen-capable burners, advanced flares, and flame sensors, supported by current backlog and pipeline.
Analysis · CLIR · Industrial Applications And Services
ClearSign Technologies Corporation announced exceptionally strong preliminary financial results for Q4 and the full fiscal year 2025, significantly exceeding prior year performance. The substantial revenue growth, driven by a major burner order and diverse product contributions, indicates strong operational momentum. The CEO's positive outlook for continued growth in 2026 suggests a favorable trajectory for the company, despite the preliminary nature of the figures.
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In the 30 days to Sep 15, 2026, 35.6% of the 1100 measured filings Wiseek scored 8 moved their stock by 5% or more by the next session's close. The median move was -0.43%. These are measured outcomes after filings of this importance, not a forecast for this one.
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At the time of this filing, CLIR was trading at $0.79 on NASDAQ in the Industrial Applications And Services sector, with a market capitalization of approximately $40.9M. The 52-week trading range was $0.46 to $1.60. This filing was assessed with positive market sentiment and an importance score of 8 out of 10.