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CLIR

ClearSign Combustion Corporation

NASDAQ: CLIR · INDUSTRIALS · POLLUTION & TREATMENT CONTROLS

$5.00
-6.89% today

Updated 2026-04-30

Market cap
$27.04M
P/E ratio
P/S ratio
5.17x
EPS (TTM)
$-0.10
Dividend yield
52W range
$3 – $11
Volume
0.1M

ClearSign Combustion Corporation (CLIR) Financial statements

SEC filings — annual and quarterly data.

Income statement — annual

Item20092010201120122013201420152016201720182019202020212022202320242025
Revenue$0.00$93000.00$0.00$61000.00$621000.00$540000.00$530000.00$0.00$44000.00$607000.00$374000.00$2.40M$3.60M$5.23M
Revenue growth (YoY)-100.0%+918.0%-13.0%-1.9%-100.0%+1279.5%-38.4%+542.5%+49.6%+45.6%
Cost of revenue$0.00$88000.00$0.00$50000.00$485000.00$380000.00$427000.00$1000.00$279000.00$1.06M$404000.00$1.59M$2.48M$3.81M
Gross profit$0.00$5000.00$0.00$11000.00$136000.00$160000.00$103000.00$-1000.00$-279000.00$-452000.00$-30000.00$817000.00$1.12M$1.42M
Gross margin5.4%18.0%21.9%29.6%19.4%-634.1%-74.5%-8.0%34.0%31.1%27.2%
R&D$2436.00$463076.00$1.18M$1.85M$2.22M$2.93M$4.83M$4.71M$4.04M$3.06M$2.03M$2.68M$505000.00$739000.00$1.47M$1.42M
SG&A$377000.00$2.95M$3.03M$3.45M$5.08M$5.02M$6.51M$5.16M$5.69M$5.53M$4.62M$5.01M$5.73M$6.06M$6.13M$6.67M
Operating income$-528772.00$-395338.00$-2.98M$-4.21M$-5.30M$-7.30M$-7.94M$-11.21M$-9.71M$-9.62M$-8.58M$-6.93M$-8.14M$-6.12M$-5.98M$-6.49M$-5.93M
Operating margin-5694.6%-13019.7%-1804.3%-1798.5%-1815.5%-15754.5%-1341.8%-1635.6%-248.9%-180.4%-113.4%
EBITDA$-517437.00$-376055.00$-2.95M$-4.09M$-5.09M$-7.30M$-7.70M$-11.21M$-9.41M$-9.35M$-8.24M$-6.68M$-7.63M$-5.47M$-5.68M$-5.55M$-5.66M
EBITDA margin-5469.9%-12619.7%-1804.3%-1743.5%-1764.3%-15172.7%-1257.3%-1461.5%-236.5%-154.4%-108.1%
EBIT$-528772.00$-395089.00$-2.98M$-4.19M$-5.30M$-7.54M$-7.90M$-11.41M$-9.71M$-9.62M$-8.48M$-6.89M$-7.89M$-5.76M$-5.98M$-5.82M$-5.93M
Interest expense$0.00$0.00$158.00$1000.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$1000.00$194000.00
Income tax
Effective tax rate0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%
Net income$-528772.00$-395587.00$-2.98M$-4.19M$-5.29M$-7.30M$-7.90M$-11.17M$-9.68M$-9.57M$-8.38M$-6.84M$-7.89M$-5.76M$-5.19M$-5.30M$-5.50M
Net income growth (YoY)+25.2%-652.4%-40.7%-26.2%-38.1%-8.3%-41.5%+13.4%+1.2%+12.4%+18.4%-15.4%+27.0%+9.8%-2.0%-3.7%
Profit margin-5682.8%-12947.5%-1799.2%-1792.6%-1805.1%-15540.9%-1299.8%-1539.6%-216.1%-147.4%-105.0%