CLIR

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ClearSign Technologies Corp.

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Key Metrics

Previous Close: $4.40
52-Week Range: $3.16 – $11.20
Market Cap: $31.89M
P/E (TTM): —
EPS (TTM): -0.01
Dividend Yield: —

Advanced Metrics

Price/Book: 2.62
PEG Ratio: —
Return on Equity: -57.06%
Return on Assets: -34.33%
Gross Margin: 16.62%
Operating Margin: -1193.19%
Profit Margin: -111.66%
Current Ratio: 4.05
Debt/Equity: 0.02
Total Debt: $140.00K
Free Cash Flow: $-3.72M
Revenue Growth: -52.40%
Earnings Growth: —
Enterprise Value: $17.57M

CLIR Income statement, annual periods, in USD
USD	FY2022	FY2023	FY2024	FY2025
Revenue	$374.00K	$2.40M	$3.60M	$5.23M
Cost of Revenue	$258.00K	$1.59M	$2.48M	$3.81M
Gross Profit	$116.00K	$817.00K	$1.12M	$1.42M
Research & Development	$505.00K	$739.00K	$1.47M	$1.42M
Selling, General & Admin	$5.73M	$6.06M	$6.13M	$6.67M
Operating Expenses	$6.00M	$6.54M	$6.94M	$7.36M
Operating Income	-$5.88M	-$5.73M	-$5.82M	-$5.93M
EBITDA	-$5.59M	-$5.30M	-$5.55M	-$5.66M
Pretax Income	-$5.76M	-$5.19M	-$5.30M	-$5.50M
Net Income	-$5.76M	-$5.19M	-$5.30M	-$5.50M
Diluted EPS	-0.16	-0.13	-0.11	-0.10
Diluted Shares	35.34M	38.50M	48.94M	55.51M

CLIR Balance Sheet statement, annual periods, in USD
USD	FY2022	FY2023	FY2024	FY2025
Cash & Equivalents	$6.45M	$5.68M	$14.04M	$9.18M
Receivables	$99.00K	$475.00K	$165.00K	$1.36M
Current Assets	$9.73M	$6.51M	$15.22M	$11.23M
Total Assets	$10.93M	$7.62M	$16.28M	$12.18M
Current Liabilities	$1.15M	$2.26M	$2.41M	$2.58M
Total Debt	$359.00K	$243.00K	$188.00K	$163.00K
Total Liabilities	$1.37M	$2.43M	$2.52M	$2.65M
Retained Earnings	-$88.52M	-$93.72M	-$99.02M	-$104.51M
Shareholders' Equity	$9.55M	$5.19M	$13.76M	$9.53M
Working Capital	$8.59M	$4.25M	$12.81M	$8.64M

CLIR Cash Flow statement, annual periods, in USD
USD	FY2022	FY2023	FY2024	FY2025
Operating Cash Flow	-$4.99M	-$3.23M	-$4.37M	-$4.74M
Capital Expenditure	-$164.00K	-$200.00K	-$218.00K	-$101.00K
Free Cash Flow	-$5.16M	-$3.43M	-$4.59M	-$4.84M
Depreciation & Amortisation	$292.00K	$424.00K	$272.00K	$277.00K
Stock-Based Compensation	$373.00K	$614.00K	$528.00K	$893.00K
Investing Cash Flow	-$2.69M	$2.49M	-$218.00K	-$101.00K
Financing Cash Flow	$6.54M	-$15.00K	$12.95M	-$21.00K
Net Change in Cash	-$1.14M	-$758.00K	$8.36M	-$4.86M

CLIR Income statement, quarterly periods, in USD
USD	Q1 2025	Q2 2025	Q3 2025	Q4 2025	Q1 2026
Revenue	$401.00K	$133.00K	$1.03M	$3.67M	$191.00K
Cost of Revenue	$205.00K	$78.00K	$661.00K	$2.87M	$584.00K
Gross Profit	$196.00K	$55.00K	$368.00K	$805.00K	-$393.00K
Research & Development	$447.00K	$247.00K	$310.00K	$418.00K	$249.00K
Selling, General & Admin	$2.01M	$1.65M	$1.81M	$1.21M	$1.64M
Operating Expenses	$2.40M	$1.85M	$1.90M	$1.20M	$1.86M
Operating Income	-$2.21M	-$1.79M	-$1.53M	-$397.00K	-$2.25M
EBITDA	-$2.14M	-$1.72M	-$1.47M	-$331.00K	-$2.19M
Pretax Income	-$2.08M	-$1.68M	-$1.43M	-$311.00K	-$2.19M
Net Income	-$2.08M	-$1.68M	-$1.43M	-$311.00K	-$2.19M
Diluted EPS	-0.38	-0.03	-0.03	—	-0.39
Diluted Shares	5.50M	55.22M	55.74M	—	5.63M

CLIR Balance Sheet statement, quarterly periods, in USD
USD	Q1 2025	Q2 2025	Q3 2025	Q4 2025	Q1 2026
Cash & Equivalents	$12.87M	$12.34M	$10.49M	$9.18M	$7.74M
Receivables	$285.00K	$293.00K	$838.00K	$1.36M	$179.00K
Current Assets	$13.49M	$13.18M	$11.75M	$11.23M	$8.78M
Total Assets	$14.53M	$14.23M	$12.75M	$12.18M	$9.84M
Current Liabilities	$2.40M	$3.70M	$3.58M	$2.58M	$2.17M
Total Debt	$166.00K	$208.00K	$185.00K	$163.00K	$140.00K
Total Liabilities	$2.49M	$3.82M	$3.67M	$2.65M	$2.21M
Retained Earnings	-$101.09M	-$102.77M	-$104.20M	-$104.51M	-$106.70M
Shareholders' Equity	$12.04M	$10.41M	$9.08M	$9.53M	$7.62M
Working Capital	$11.10M	$9.48M	$8.17M	$8.64M	$6.61M

CLIR Cash Flow statement, quarterly periods, in USD
USD	Q1 2025	Q2 2025	Q3 2025	Q4 2025	Q1 2026
Operating Cash Flow	-$1.11M	-$511.00K	-$1.83M	-$1.28M	-$1.35M
Capital Expenditure	-$41.00K	-$16.00K	-$21.00K	-$23.00K	-$64.00K
Free Cash Flow	-$1.15M	-$527.00K	-$1.85M	-$1.31M	-$1.41M
Depreciation & Amortisation	$69.00K	$73.00K	$69.00K	$66.00K	$65.00K
Stock-Based Compensation	$45.00K	$51.00K	$767.00K	$30.00K	$76.00K
Investing Cash Flow	-$41.00K	-$16.00K	-$21.00K	-$23.00K	-$64.00K
Financing Cash Flow	-$17.00K	$0.00	$0.00	-$4.00K	-$32.00K
Net Change in Cash	-$1.17M	-$527.00K	-$1.85M	-$1.31M	-$1.44M

Market Snapshot

About

ClearSign Technologies Corp. develops emission control technologies for industrial, commercial, and power-generation applications. Headquartered in Seattle, Washington, the company's core technology uses porous ceramic tiles and electrodynamic combustion control to reduce nitrogen oxide (NOx) emissions and improve fuel efficiency in burners and boilers. ClearSign's solutions target process heaters in oil refineries, chemical plants, and other industrial facilities facing stringent environmental regulations. The company generates revenue through licensing its technology and providing engineering services for retrofit and new installations.