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CLIR

ClearSign Technologies Corporation

Price Chart
Latest Quote

$3.79

-0.28 (-6.88%)
Current Price
Previous Close $4.07
Open $4.10
Day High $4.10
Day Low $3.71
Volume 32,377
Fetched: 2026-06-20T02:43:54
Stock Information
Shares Outstanding 6.19M
Total Debt $140K
Cash Equivalents $7.74M
Revenue $5.02M
Net Income $-5.61M
Sector Industrials
Industry Pollution & Treatment Controls
Market Cap $23.46M
EPS (TTM) $-0.11
Exchange NCM
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📊 Comprehensive Analysis
Company Data
Enterprise Value$14.70M
Sales$5.02M
Income$-5.61M
Book/sh$1.41
Cash/sh$1.25
Employees15
Financial Ratios
Quick Ratio3.65
Current Ratio4.05
Debt/Eq1.84
Returns & Margins
ROA-34.33%
ROE-57.06%
Gross Margin16.62%
Operating Margin-1193.19%
Profit Margin-111.66%
Ownership
Insider Ownership5.14%
Institutional Ownership20.10%
Insider & Institutional transactions data not available
Valuation Ratios
Forward P/E-5.09
P/S4.67
P/B2.69
Analyst Data
Recommendationnone
Target Price$20.00
Technical Indicators
SMA20$4.33
SMA50$4.79
SMA200$6.28
RSI21.23
ATR0.3036
Shares Float4.46M
Short Float0.60%
Short Ratio1.28
Volatility1.34
Rel Volume1.61
Performance History
Week-9.11%
Month-17.61%
Quarter+4.99%
6 Months-35.76%
YTD-33.51%
Year-38.87%
3 Years-67.04%
5 Years-92.81%
10 Years-92.58%
Stock Score: ⭐ Premium
Based on debt, profitability, growth, and cash flow metrics
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Recent Price History
Date Close Volume
2026-06-18 $3.79 34,000
2026-06-17 $4.05 14,000
2026-06-16 $4.12 25,800
2026-06-15 $4.14 12,500
2026-06-12 $4.08 11,000
2026-06-11 $4.17 16,100
2026-06-10 $4.19 18,200
2026-06-09 $4.16 22,800
2026-06-08 $4.15 19,700
2026-06-05 $3.94 9,500
2026-06-04 $4.28 17,500
2026-06-03 $4.38 11,000
2026-06-02 $4.46 9,700
2026-06-01 $4.47 7,900
2026-05-29 $4.63 58,000
2026-05-28 $4.56 43,400
2026-05-27 $4.45 14,500
2026-05-26 $4.63 51,500
2026-05-22 $4.85 17,900
2026-05-21 $5.01 8,100
2026-05-20 $4.90 16,900
2026-05-19 $4.60 6,200
About ClearSign Technologies Corporation

ClearSign Technologies Corporation designs and develops products and technologies for the purpose of decarbonization and improving key performance characteristics of industrial and commercial systems in the United States and the People's Republic of China. The company's technologies include ClearSign core burner technology consists of an industrial burner body and a downstream porous ceramic or metal flame stabilizing structure; ClearSign core process burner technology that provides a direct burner replacement for traditional refinery process heaters; ClearSign core boiler burner technology; ClearSign core flaring burners that can be used to provide a flare product with extremely low nitrogen oxide emissions; and ClearSign eye flame sensor, an electrical flame sensor for industrial applications. It serves energy, institutional, commercial and industrial boiler, chemical, and petrochemical industries. ClearSign Technologies Corporation was formerly known as ClearSign Combustion Corporation and changed its name to ClearSign Technologies Corporation in November 2019. The company was incorporated in 2008 and is headquartered in Tulsa, Oklahoma.

Period:
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Income Statement (Annual)
Metric 2025-12-31 2024-12-31 2023-12-31 2022-12-31
Revenue
Reconciled Cost Of Revenue $3,810,000 $2,478,000 $1,586,000 $258,000
Cost Of Revenue $3,810,000 $2,478,000 $1,586,000 $258,000
Total Revenue $5,234,000 $3,596,000 $2,403,000 $374,000
Operating Revenue $5,234,000 $3,596,000 $2,403,000 $374,000
Expenses
Total Expenses $11,169,000 $9,420,000 $8,129,000 $6,259,000
Net Non Operating Interest Income Expense $439,000 $516,000 $324,000 $83,000
Operating Expense $7,359,000 $6,942,000 $6,543,000 $6,001,000
Other Operating Expenses $-736,000 $-664,000 $-255,000 $-232,000
General And Administrative Expense $6,673,000 $6,135,000 $6,059,000 $5,728,000
Other Income Expense - $9,000 $208,000 $44,000
Other Non Operating Income Expenses - $9,000 $208,000 $6,000
Total Other Finance Cost - - $-324,000 $-83,000
Income & Earnings
Net Income From Continuing Operation Net Minority Interest $-5,496,000 $-5,299,000 $-5,194,000 $-5,758,000
Net Interest Income $439,000 $516,000 $324,000 $83,000
Interest Income $439,000 $516,000 $324,000 -
Normalized Income $-5,496,000 $-5,299,000 $-5,194,000 $-5,796,000
Net Income From Continuing And Discontinued Operation $-5,496,000 $-5,299,000 $-5,194,000 $-5,758,000
Total Operating Income As Reported $-6,671,000 $-6,488,000 $-5,981,000 $-6,117,000
Net Income Common Stockholders $-5,496,000 $-5,299,000 $-5,194,000 $-5,758,000
Net Income $-5,496,000 $-5,299,000 $-5,194,000 $-5,758,000
Net Income Including Noncontrolling Interests $-5,496,000 $-5,299,000 $-5,194,000 $-5,758,000
Net Income Continuous Operations $-5,496,000 $-5,299,000 $-5,194,000 $-5,758,000
Pretax Income $-5,496,000 $-5,299,000 $-5,194,000 $-5,758,000
Interest Income Non Operating $439,000 $516,000 $324,000 -
Operating Income $-5,935,000 $-5,824,000 $-5,726,000 $-5,885,000
Gross Profit $1,424,000 $1,118,000 $817,000 $116,000
Special Income Charges - - $5,000 $38,000
Per Share
Diluted EPS $-0.10 $-0.11 $-0.13 $-0.16
Basic EPS $-0.10 $-0.11 $-0.13 $-0.16
Other
Tax Effect Of Unusual Items $0 $0 $0 $0
Tax Rate For Calcs $0 $0 $0 $0
Normalized EBITDA (Bullshit earnings) $-5,658,000 $-5,552,000 $-5,302,000 $-5,631,000
Reconciled Depreciation $277,000 $272,000 $424,000 $292,000
EBITDA (Bullshit earnings) $-5,658,000 $-5,552,000 $-5,302,000 $-5,593,000
EBIT $-5,935,000 $-5,824,000 $-5,726,000 $-5,885,000
Diluted Average Shares $55,511,940 $48,935,990 $38,500,933 $35,338,712
Basic Average Shares $55,511,940 $48,935,990 $38,500,933 $35,338,712
Diluted NI Availto Com Stockholders $-5,496,000 $-5,299,000 $-5,194,000 $-5,758,000
Research And Development $1,422,000 $1,471,000 $739,000 $505,000
Selling General And Administration $6,673,000 $6,135,000 $6,059,000 $5,728,000
Other Gand A $6,673,000 $6,135,000 $6,059,000 $5,728,000
Total Unusual Items - - $5,000 $38,000
Total Unusual Items Excluding Goodwill - - $5,000 $38,000
Gain On Sale Of Ppe - - $5,000 $38,000
Minority Interests - - - $0
Fetched: 2026-06-14
Balance Sheet (Annual)
Metric 2025-12-31 2024-12-31 2023-12-31 2022-12-31
Assets
Net Tangible Assets $8,770,000 $12,934,000 $4,356,000 $8,754,000
Total Assets $12,181,000 $16,284,000 $7,620,000 $10,925,000
Total Non Current Assets $955,000 $1,068,000 $1,111,000 $1,192,000
Goodwill And Other Intangible Assets $760,000 $830,000 $836,000 $798,000
Other Intangible Assets $760,000 $830,000 $836,000 $798,000
Current Assets $11,226,000 $15,216,000 $6,509,000 $9,733,000
Other Current Assets $359,000 $454,000 $350,000 $577,000
Current Deferred Assets $329,000 $562,000 - -
Receivables $1,360,000 $165,000 $475,000 $99,000
Accounts Receivable $1,360,000 $165,000 $287,000 $79,000
Cash Cash Equivalents And Short Term Investments $9,178,000 $14,035,000 $5,684,000 $9,057,000
Cash And Cash Equivalents $9,178,000 $14,035,000 $5,684,000 $6,451,000
Other Receivables - $194,000 $188,000 $20,000
Other Non Current Assets - - - $10,000
Prepaid Assets - - - -
Debt
Total Debt $163,000 $188,000 $243,000 $359,000
Long Term Debt And Capital Lease Obligation $67,000 $113,000 $172,000 $226,000
Current Debt And Capital Lease Obligation $96,000 $75,000 $71,000 $133,000
Liabilities
Total Liabilities Net Minority Interest $2,651,000 $2,520,000 $2,428,000 $1,373,000
Total Non Current Liabilities Net Minority Interest $67,000 $113,000 $172,000 $226,000
Current Liabilities $2,584,000 $2,407,000 $2,256,000 $1,147,000
Other Current Liabilities $180,000 - - -
Current Deferred Liabilities $100,000 $441,000 $1,116,000 $247,000
Payables And Accrued Expenses $2,208,000 $1,891,000 $1,069,000 $767,000
Payables $2,208,000 $1,891,000 $1,069,000 $767,000
Total Tax Payable $564,000 $671,000 $703,000 $471,000
Accounts Payable $1,644,000 $1,220,000 $366,000 $296,000
Equity
Common Stock Equity $9,530,000 $13,764,000 $5,192,000 $9,552,000
Total Equity Gross Minority Interest $9,530,000 $13,764,000 $5,192,000 $9,552,000
Stockholders Equity $9,530,000 $13,764,000 $5,192,000 $9,552,000
Gains Losses Not Affecting Retained Earnings $-20,000 $-21,000 $-17,000 $-8,000
Other Equity Adjustments $-20,000 $-21,000 $-17,000 $-8,000
Retained Earnings $-104,512,000 $-99,016,000 $-93,717,000 $-88,523,000
Other
Ordinary Shares Number $5,328,730 $5,028,550 $3,868,706 $3,802,370
Share Issued $5,328,730 $5,028,550 $3,868,706 $3,802,370
Tangible Book Value $8,770,000 $12,934,000 $4,356,000 $8,754,000
Invested Capital $9,530,000 $13,764,000 $5,192,000 $9,552,000
Working Capital $8,642,000 $12,809,000 $4,253,000 $8,586,000
Capital Lease Obligations $163,000 $188,000 $243,000 $359,000
Total Capitalization $9,530,000 $13,764,000 $5,192,000 $9,552,000
Additional Paid In Capital $114,061,000 $112,800,000 $98,922,000 $98,079,000
Capital Stock $1,000 $1,000 $4,000 $4,000
Common Stock $1,000 $1,000 $4,000 $4,000
Preferred Stock $0 $0 $0 $0
Long Term Capital Lease Obligation $67,000 $113,000 $172,000 $226,000
Current Deferred Revenue $100,000 $441,000 $1,116,000 $247,000
Current Capital Lease Obligation $96,000 $75,000 $71,000 $133,000
Net PPE $195,000 $238,000 $275,000 $384,000
Accumulated Depreciation $-108,000 $-85,000 $-63,000 $-697,000
Gross PPE $303,000 $323,000 $338,000 $1,081,000
Leases $43,000 $43,000 $43,000 $192,000
Other Properties $157,000 $181,000 $235,000 $322,000
Machinery Furniture Equipment $103,000 $99,000 $60,000 $567,000
Properties $0 $0 $0 $0
Other Short Term Investments - - $0 $2,606,000
Pensionand Other Post Retirement Benefit Plans Current - - - $471,000
Minority Interest - - - -
Construction In Progress - - - -
Fetched: 2026-06-14
Cash Flow Statement (Annual)
Metric 2025-12-31 2024-12-31 2023-12-31 2022-12-31
Free Cash Flow
Free Cash Flow $-4,837,000 $-4,591,000 $-3,433,000 $-5,156,000
Operating Activities
Operating Cash Flow $-4,736,000 $-4,373,000 $-3,233,000 $-4,992,000
Cash Flow From Continuing Operating Activities $-4,736,000 $-4,373,000 $-3,233,000 $-4,992,000
Operating Gains Losses - - $-84,000 $-83,000
Investing Activities
Capital Expenditure $-101,000 $-218,000 $-200,000 $-164,000
Investing Cash Flow $-101,000 $-218,000 $2,490,000 $-2,686,000
Cash Flow From Continuing Investing Activities $-101,000 $-218,000 $2,490,000 $-2,686,000
Financing Activities
Issuance Of Capital Stock $0 $12,967,000 $0 $6,539,000
Financing Cash Flow $-21,000 $12,946,000 $-15,000 $6,539,000
Cash Flow From Continuing Financing Activities $-21,000 $12,946,000 $-15,000 $6,539,000
Net Other Financing Charges $-45,000 $-46,000 $-15,000 -
Net Common Stock Issuance $0 $12,967,000 $0 $6,539,000
Common Stock Issuance $0 $12,967,000 $0 $6,539,000
Other
End Cash Position $9,178,000 $14,035,000 $5,684,000 $6,451,000
Beginning Cash Position $14,035,000 $5,684,000 $6,451,000 $7,607,000
Effect Of Exchange Rate Changes $1,000 $-4,000 $-9,000 $-17,000
Changes In Cash $-4,858,000 $8,355,000 $-758,000 $-1,139,000
Proceeds From Stock Option Exercised $24,000 $25,000 $0 $0
Net Intangibles Purchase And Sale $-97,000 $-179,000 $-200,000 $-154,000
Purchase Of Intangibles $-97,000 $-179,000 $-200,000 $-154,000
Net PPE Purchase And Sale $-4,000 $-39,000 $5,000 $29,000
Purchase Of PPE $-4,000 $-39,000 $0 $-10,000
Change In Working Capital $-478,000 $80,000 $916,000 $139,000
Change In Other Working Capital $-108,000 $-1,048,000 $869,000 $163,000
Change In Other Current Liabilities $180,000 $0 - -
Change In Payables And Accrued Expense $550,000 $1,110,000 $395,000 $235,000
Change In Accrued Expense $172,000 $294,000 $452,000 $360,000
Change In Payable $378,000 $816,000 $-57,000 $-125,000
Change In Account Payable $378,000 $816,000 $-57,000 $-125,000
Change In Prepaid Assets $95,000 $-104,000 $18,000 $-232,000
Change In Receivables $-1,195,000 $122,000 $-376,000 $-27,000
Changes In Account Receivables $-1,195,000 $122,000 $-208,000 $-46,000
Other Non Cash Items $65,000 $26,000 $-4,000 $26,000
Stock Based Compensation $893,000 $528,000 $614,000 $373,000
Asset Impairment Charge $3,000 $20,000 $95,000 $19,000
Depreciation Amortization Depletion $277,000 $272,000 $424,000 $292,000
Depreciation And Amortization $277,000 $272,000 $424,000 $292,000
Depreciation $277,000 $272,000 $424,000 $292,000
Net Income From Continuing Operations $-5,496,000 $-5,299,000 $-5,194,000 $-5,758,000
Net Investment Purchase And Sale - $0 $2,685,000 $-2,561,000
Sale Of Investment - $0 $4,847,000 $3,337,000
Purchase Of Investment - $0 $-2,162,000 $-5,898,000
Sale Of PPE - $0 $5,000 $39,000
Change In Other Current Assets - $0 $10,000 $0
Gain Loss On Sale Of PPE - $0 $-5,000 $-38,000
Gain Loss On Investment Securities - - $-79,000 $-45,000
Issuance Of Debt - - - -
Net Issuance Payments Of Debt - - - -
Net Long Term Debt Issuance - - - -
Long Term Debt Issuance - - - -
Fetched: 2026-06-14