Symbols / CLIR Stock $4.71 -8.54% ClearSign Technologies Corporation

Industrials • Pollution & Treatment Controls • United States • NCM
CLIR (Stock) Chart
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Stock Fundamentals
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Index EQUITY
Sector Industrials
Industry Pollution & Treatment Controls
CEO Dr. Colin James Deller Ph.D.
Exch · Country NCM · United States
Market Cap 25.48M
Enterprise Value 17.90M
Income -5.61M
Sales 5.02M
FCF (ttm) -3.75M
Book/sh 1.79
Cash/sh 1.43
Employees 15
Insider 10d —
IPO Apr 25, 2012
Div forward ($/yr)
Div TTM ($/yr)
Dividend Yield
Ex-Div Date
5Y Avg Yield
Yield vs 5Y Avg
Payout 0.00%
P/E —
Forward P/E -6.20
PEG —
P/S 5.07
P/B 2.63
P/C —
EV/EBITDA -2.75
EV/Sales 3.56
Quick Ratio 3.65
Current Ratio 4.05
Debt/Eq 1.84
LT Debt/Eq —
EPS (ttm) -0.10
EPS next Y -0.76
EPS Growth —
Revenue Growth -52.40%
EPS Gr Q/Q —
Rev Gr Q/Q —
Earnings (next) 2026-08-13
Earnings (prior) 2026-05-15
ROA -34.33%
ROE -57.06%
ROIC —
Gross Margin 16.62%
Oper. Margin -11.93%
Profit Margin -111.66%
Shs Outstand 5.41M
Shs Float 4.46M
Insider Own 5.61%
Instit Own 23.03%
Short Float 0.59%
Short Ratio 0.45
Short Interest 26.12K
52W High 11.20
vs 52W High -57.95%
52W Low 3.24
vs 52W Low 45.37%
Beta —
Impl. Vol. 1.69%
Rel Volume 0.67
Avg Volume 32.64K
Volume 21.74K
Target (mean) $20.00
Tgt Median $20.00
Tgt Low $20.00
Tgt High $20.00
# Analysts 1
Recom None
Prev Close $5.15
Price $4.71
Change -8.54%
About

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.

Valuation Models

Price estimates from analyst targets and simple models.

1. Analyst consensus
$20.00
Mean price target
2. Current target
$4.71
Latest analyst target
3. DCF / Fair value
$-12.47
Simplified: (Free Cash Flow ÷ Shares) × 18 (P/FCF multiple). Not a …
Ratings
Current target
$4.71
Low
$20.00
High
$20.00
Mean
$20.00

Latest analyst rating changes

Date Action Analyst Rating Change Price Target
2026-04-14 main HC Wainwright & Co. Buy → Buy $20
2025-04-17 main HC Wainwright & Co. Buy → Buy $2
2024-08-22 reit HC Wainwright & Co. Buy → Buy $6
2024-05-28 reit HC Wainwright & Co. Buy → Buy $6
2024-04-24 reit HC Wainwright & Co. Buy → Buy $6
2023-11-16 reit HC Wainwright & Co. Buy → Buy $6
2023-09-01 reit HC Wainwright & Co. Buy → Buy $6
2023-05-19 reit HC Wainwright & Co. Buy → Buy $6
2021-09-09 main HC Wainwright & Co. — → Buy $6
2021-03-24 main HC Wainwright & Co. — → Buy $10
2020-10-23 init HC Wainwright & Co. — → Buy $4
News
RSS: Latest CLIR news
Insider Transactions
Filed Date Insider Relationship Transaction Shares Price Value SEC
2026-02-26 DELLER COLIN JAMES PH.D. Chief Executive Officer — 210,043 $0.00 $0
2026-02-26 HINDS BRENT Chief Financial Officer — 56,645 $0.00 $0
2026-02-20 HINDS BRENT Chief Financial Officer — 16,862 — —
2026-02-02 HINDS BRENT Chief Financial Officer — 10,127 — —
2025-02-24 HINDS BRENT Chief Financial Officer — 7,547 — —
2025-02-20 DELLER COLIN JAMES PH.D. Chief Executive Officer — 100,393 $0.00 $0
2025-02-20 HINDS BRENT Chief Financial Officer — 51,176 $0.00 $0
2025-01-31 HINDS BRENT Chief Financial Officer — 12,754 — —
2024-06-24 HOFFMAN ROBERT THURSTON SR. Beneficial Owner of more than 10% of a Class of Security — 3,350,000 $0.65 $2,169,125
Financials
Statement View
Amounts in millions (2 decimals, no suffix) • EPS per share (2 decimals) • Trend = period evolution • YoY Growth = previous period %
Line Item Trend 2025-12-31 2024-12-31 2023-12-31 2022-12-31
Total Revenue
5.23
+45.55%
3.60
+49.65%
2.40
+542.51%
0.37
Operating Revenue
5.23
+45.55%
3.60
+49.65%
2.40
+542.51%
0.37
Cost Of Revenue
3.81
+53.75%
2.48
+56.24%
1.59
+514.73%
0.26
Reconciled Cost Of Revenue
3.81
+53.75%
2.48
+56.24%
1.59
+514.73%
0.26
Gross Profit
1.42
+27.37%
1.12
+36.84%
0.82
+604.31%
0.12
Operating Expense
7.36
+6.01%
6.94
+6.10%
6.54
+9.03%
6.00
Research And Development
1.42
-3.33%
1.47
+99.05%
0.74
+46.34%
0.51
Selling General And Administration
6.67
+8.77%
6.13
+1.25%
6.06
+5.78%
5.73
General And Administrative Expense
6.67
+8.77%
6.13
+1.25%
6.06
+5.78%
5.73
Other Gand A
6.67
+8.77%
6.13
+1.25%
6.06
+5.78%
5.73
Other Operating Expenses
-0.74
-10.84%
-0.66
-160.39%
-0.26
-9.91%
-0.23
Total Expenses
11.17
+18.57%
9.42
+15.88%
8.13
+29.88%
6.26
Operating Income
-5.93
-1.91%
-5.82
-1.71%
-5.73
+2.70%
-5.88
Total Operating Income As Reported
-6.67
-2.82%
-6.49
-8.48%
-5.98
+2.22%
-6.12
EBITDA
-5.66
-1.91%
-5.55
-4.72%
-5.30
+5.20%
-5.59
Normalized EBITDA
-5.66
-1.91%
-5.55
-4.72%
-5.30
+5.84%
-5.63
Reconciled Depreciation
0.28
+1.84%
0.27
-35.85%
0.42
+45.21%
0.29
EBIT
-5.93
-1.91%
-5.82
-1.71%
-5.73
+2.70%
-5.88
Total Unusual Items
—
—
0.01
-86.84%
0.04
Total Unusual Items Excluding Goodwill
—
—
0.01
-86.84%
0.04
Special Income Charges
—
—
0.01
-86.84%
0.04
Net Income
-5.50
-3.72%
-5.30
-2.02%
-5.19
+9.80%
-5.76
Pretax Income
-5.50
-3.72%
-5.30
-2.02%
-5.19
+9.80%
-5.76
Net Non Operating Interest Income Expense
0.44
-14.92%
0.52
+59.26%
0.32
+290.36%
0.08
Net Interest Income
0.44
-14.92%
0.52
+59.26%
0.32
+290.36%
0.08
Interest Income Non Operating
0.44
-14.92%
0.52
+59.26%
0.32
—
Interest Income
0.44
-14.92%
0.52
+59.26%
0.32
—
Other Income Expense
—
0.01
-95.67%
0.21
+372.73%
0.04
Other Non Operating Income Expenses
—
0.01
-95.67%
0.21
+3366.67%
0.01
Tax Rate For Calcs
0.00
0.00
0.00
0.00
Tax Effect Of Unusual Items
0.00
0.00
0.00
0.00
Net Income Including Noncontrolling Interests
-5.50
-3.72%
-5.30
-2.02%
-5.19
+9.80%
-5.76
Net Income From Continuing Operation Net Minority Interest
-5.50
-3.72%
-5.30
-2.02%
-5.19
+9.80%
-5.76
Net Income From Continuing And Discontinued Operation
-5.50
-3.72%
-5.30
-2.02%
-5.19
+9.80%
-5.76
Net Income Continuous Operations
-5.50
-3.72%
-5.30
-2.02%
-5.19
+9.80%
-5.76
Minority Interests
—
—
—
0.00
Normalized Income
-5.50
-3.72%
-5.30
-2.02%
-5.19
+10.39%
-5.80
Net Income Common Stockholders
-5.50
-3.72%
-5.30
-2.02%
-5.19
+9.80%
-5.76
Diluted EPS
-0.99
-816.67%
-0.11
+91.69%
-1.30
+18.75%
-1.60
Basic EPS
-0.99
-816.67%
-0.11
+91.69%
-1.30
+18.75%
-1.60
Basic Average Shares
5.55
-88.66%
48.94
+1171.03%
3.85
+8.95%
3.53
Diluted Average Shares
5.55
-88.66%
48.94
+1171.03%
3.85
+8.95%
3.53
Diluted NI Availto Com Stockholders
-5.50
-3.72%
-5.30
-2.02%
-5.19
+9.80%
-5.76
Gain On Sale Of PPE
—
—
0.01
-86.84%
0.04
Total Other Finance Cost
—
—
-0.32
-290.36%
-0.08
Line Item Trend 2025-12-31 2024-12-31 2023-12-31 2022-12-31
Total Assets
12.18
-25.20%
16.28
+113.70%
7.62
-30.25%
10.93
Current Assets
11.23
-26.22%
15.22
+133.77%
6.51
-33.12%
9.73
Cash Cash Equivalents And Short Term Investments
9.18
-34.61%
14.04
+146.92%
5.68
-37.24%
9.06
Cash And Cash Equivalents
9.18
-34.61%
14.04
+146.92%
5.68
-11.89%
6.45
Other Short Term Investments
—
—
0.00
-100.00%
2.61
Receivables
1.36
+724.24%
0.17
-65.26%
0.47
+379.80%
0.10
Accounts Receivable
1.36
+724.24%
0.17
-42.51%
0.29
+263.29%
0.08
Other Receivables
—
0.19
+3.19%
0.19
+840.00%
0.02
Prepaid Assets
—
—
—
—
Current Deferred Assets
0.33
-41.46%
0.56
—
—
Other Current Assets
0.36
-20.93%
0.45
+29.71%
0.35
-39.34%
0.58
Total Non Current Assets
0.95
-10.58%
1.07
-3.87%
1.11
-6.80%
1.19
Net PPE
0.20
-18.07%
0.24
-13.45%
0.28
-28.39%
0.38
Gross PPE
0.30
-6.19%
0.32
-4.44%
0.34
-68.73%
1.08
Accumulated Depreciation
-0.11
-27.06%
-0.09
-34.92%
-0.06
+90.96%
-0.70
Properties
0.00
0.00
0.00
0.00
Machinery Furniture Equipment
0.10
+4.04%
0.10
+65.00%
0.06
-89.42%
0.57
Construction In Progress
—
—
—
—
Other Properties
0.16
-13.26%
0.18
-22.98%
0.23
-27.02%
0.32
Leases
0.04
+0.00%
0.04
+0.00%
0.04
-77.60%
0.19
Goodwill And Other Intangible Assets
0.76
-8.43%
0.83
-0.72%
0.84
+4.76%
0.80
Other Intangible Assets
0.76
-8.43%
0.83
-0.72%
0.84
+4.76%
0.80
Other Non Current Assets
—
—
—
0.01
Total Liabilities Net Minority Interest
2.65
+5.20%
2.52
+3.79%
2.43
+76.84%
1.37
Current Liabilities
2.58
+7.35%
2.41
+6.69%
2.26
+96.69%
1.15
Payables And Accrued Expenses
2.21
+16.76%
1.89
+76.89%
1.07
+39.37%
0.77
Payables
2.21
+16.76%
1.89
+76.89%
1.07
+39.37%
0.77
Accounts Payable
1.64
+34.75%
1.22
+233.33%
0.37
+23.65%
0.30
Pensionand Other Post Retirement Benefit Plans Current
—
—
—
0.47
Total Tax Payable
0.56
-15.95%
0.67
-4.55%
0.70
+49.26%
0.47
Current Debt And Capital Lease Obligation
0.10
+28.00%
0.07
+5.63%
0.07
-46.62%
0.13
Current Capital Lease Obligation
0.10
+28.00%
0.07
+5.63%
0.07
-46.62%
0.13
Current Deferred Liabilities
0.10
-77.32%
0.44
-60.48%
1.12
+351.82%
0.25
Current Deferred Revenue
0.10
-77.32%
0.44
-60.48%
1.12
+351.82%
0.25
Other Current Liabilities
0.18
—
—
—
Total Non Current Liabilities Net Minority Interest
0.07
-40.71%
0.11
-34.30%
0.17
-23.89%
0.23
Long Term Debt And Capital Lease Obligation
0.07
-40.71%
0.11
-34.30%
0.17
-23.89%
0.23
Long Term Capital Lease Obligation
0.07
-40.71%
0.11
-34.30%
0.17
-23.89%
0.23
Stockholders Equity
9.53
-30.76%
13.76
+165.10%
5.19
-45.64%
9.55
Common Stock Equity
9.53
-30.76%
13.76
+165.10%
5.19
-45.64%
9.55
Capital Stock
0.00
+0.00%
0.00
-75.00%
0.00
+0.00%
0.00
Common Stock
0.00
+0.00%
0.00
-75.00%
0.00
+0.00%
0.00
Preferred Stock
0.00
0.00
0.00
0.00
Share Issued
5.33
+5.97%
5.03
+29.98%
3.87
+1.74%
3.80
Ordinary Shares Number
5.33
+5.97%
5.03
+29.98%
3.87
+1.74%
3.80
Additional Paid In Capital
114.06
+1.12%
112.80
+14.03%
98.92
+0.86%
98.08
Retained Earnings
-104.51
-5.55%
-99.02
-5.65%
-93.72
-5.87%
-88.52
Gains Losses Not Affecting Retained Earnings
-0.02
+4.76%
-0.02
-23.53%
-0.02
-112.50%
-0.01
Minority Interest
—
—
—
—
Other Equity Adjustments
-0.02
+4.76%
-0.02
-23.53%
-0.02
-112.50%
-0.01
Total Equity Gross Minority Interest
9.53
-30.76%
13.76
+165.10%
5.19
-45.64%
9.55
Total Capitalization
9.53
-30.76%
13.76
+165.10%
5.19
-45.64%
9.55
Working Capital
8.64
-32.53%
12.81
+201.18%
4.25
-50.47%
8.59
Invested Capital
9.53
-30.76%
13.76
+165.10%
5.19
-45.64%
9.55
Total Debt
0.16
-13.30%
0.19
-22.63%
0.24
-32.31%
0.36
Capital Lease Obligations
0.16
-13.30%
0.19
-22.63%
0.24
-32.31%
0.36
Net Tangible Assets
8.77
-32.19%
12.93
+196.92%
4.36
-50.24%
8.75
Tangible Book Value
8.77
-32.19%
12.93
+196.92%
4.36
-50.24%
8.75
Line Item Trend 2025-12-31 2024-12-31 2023-12-31 2022-12-31
Operating Cash Flow
-4.74
-8.30%
-4.37
-35.26%
-3.23
+35.24%
-4.99
Cash Flow From Continuing Operating Activities
-4.74
-8.30%
-4.37
-35.26%
-3.23
+35.24%
-4.99
Net Income From Continuing Operations
-5.50
-3.72%
-5.30
-2.02%
-5.19
+9.80%
-5.76
Depreciation Amortization Depletion
0.28
+1.84%
0.27
-35.85%
0.42
+45.21%
0.29
Depreciation
0.28
+1.84%
0.27
-35.85%
0.42
+45.21%
0.29
Depreciation And Amortization
0.28
+1.84%
0.27
-35.85%
0.42
+45.21%
0.29
Other Non Cash Items
0.07
+150.00%
0.03
+750.00%
-0.00
-115.38%
0.03
Stock Based Compensation
0.89
+69.13%
0.53
-14.01%
0.61
+64.61%
0.37
Asset Impairment Charge
0.00
-85.00%
0.02
-78.95%
0.10
+400.00%
0.02
Operating Gains Losses
—
—
-0.08
-1.20%
-0.08
Gain Loss On Investment Securities
—
—
-0.08
-75.56%
-0.04
Gain Loss On Sale Of PPE
—
0.00
+100.00%
-0.01
+86.84%
-0.04
Change In Working Capital
-0.48
-697.50%
0.08
-91.27%
0.92
+558.99%
0.14
Change In Receivables
-1.20
-1079.51%
0.12
+132.45%
-0.38
-1292.59%
-0.03
Changes In Account Receivables
-1.20
-1079.51%
0.12
+158.65%
-0.21
-352.17%
-0.05
Change In Prepaid Assets
0.10
+191.35%
-0.10
-677.78%
0.02
+107.76%
-0.23
Change In Payables And Accrued Expense
0.55
-50.45%
1.11
+181.01%
0.40
+68.09%
0.23
Change In Accrued Expense
0.17
-41.50%
0.29
-34.96%
0.45
+25.56%
0.36
Change In Payable
0.38
-53.68%
0.82
+1531.58%
-0.06
+54.40%
-0.12
Change In Account Payable
0.38
-53.68%
0.82
+1531.58%
-0.06
+54.40%
-0.12
Change In Other Working Capital
-0.11
+89.69%
-1.05
-220.60%
0.87
+433.13%
0.16
Change In Other Current Assets
—
0.00
-100.00%
0.01
0.00
Change In Other Current Liabilities
0.18
0.00
—
—
Investing Cash Flow
-0.10
+53.67%
-0.22
-108.76%
2.49
+192.70%
-2.69
Cash Flow From Continuing Investing Activities
-0.10
+53.67%
-0.22
-108.76%
2.49
+192.70%
-2.69
Net PPE Purchase And Sale
-0.00
+89.74%
-0.04
-880.00%
0.01
-82.76%
0.03
Purchase Of PPE
-0.00
+89.74%
-0.04
0.00
+100.00%
-0.01
Sale Of PPE
—
0.00
-100.00%
0.01
-87.18%
0.04
Capital Expenditure
-0.10
+53.67%
-0.22
-9.00%
-0.20
-21.95%
-0.16
Net Investment Purchase And Sale
—
0.00
-100.00%
2.69
+204.84%
-2.56
Purchase Of Investment
—
0.00
+100.00%
-2.16
+63.34%
-5.90
Sale Of Investment
—
0.00
-100.00%
4.85
+45.25%
3.34
Net Intangibles Purchase And Sale
-0.10
+45.81%
-0.18
+10.50%
-0.20
-29.87%
-0.15
Purchase Of Intangibles
-0.10
+45.81%
-0.18
+10.50%
-0.20
-29.87%
-0.15
Financing Cash Flow
-0.02
-100.16%
12.95
+86406.67%
-0.01
-100.23%
6.54
Cash Flow From Continuing Financing Activities
-0.02
-100.16%
12.95
+86406.67%
-0.01
-100.23%
6.54
Net Issuance Payments Of Debt
—
—
—
—
Issuance Of Debt
—
—
—
—
Long Term Debt Issuance
—
—
—
—
Net Long Term Debt Issuance
—
—
—
—
Net Common Stock Issuance
0.00
-100.00%
12.97
0.00
-100.00%
6.54
Proceeds From Stock Option Exercised
0.02
-4.00%
0.03
0.00
0.00
Net Other Financing Charges
-0.04
+2.17%
-0.05
-206.67%
-0.01
—
Changes In Cash
-4.86
-158.14%
8.36
+1202.24%
-0.76
+33.45%
-1.14
Effect Of Exchange Rate Changes
0.00
+125.00%
-0.00
+55.56%
-0.01
+47.06%
-0.02
Beginning Cash Position
14.04
+146.92%
5.68
-11.89%
6.45
-15.20%
7.61
End Cash Position
9.18
-34.61%
14.04
+146.92%
5.68
-11.89%
6.45
Free Cash Flow
-4.84
-5.36%
-4.59
-33.73%
-3.43
+33.42%
-5.16
Common Stock Issuance
0.00
-100.00%
12.97
0.00
-100.00%
6.54
Issuance Of Capital Stock
0.00
-100.00%
12.97
0.00
-100.00%
6.54
SEC Filings

Recent 10-K, 10-Q, 8-K, and Form 4 (insider) filings.

Trades
Date User Broker Pattern Type Position Size Entry Price Trade P&L Status
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