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ClearSign Combustion (CLIR)
NASDAQ:CLIR
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ClearSign Combustion (CLIR) AI Stock Analysis

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CLIR

ClearSign Combustion

(NASDAQ:CLIR)

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Neutral 45 (OpenAI - 5.2)
Rating:45Neutral
Price Target:
$4.00
▼(-26.61% Downside)
Action:Reiterated
Date:06/10/26
The score is primarily held back by weak financial performance (large ongoing losses, deteriorating margins, and persistent cash burn) and bearish technicals (price below all key moving averages with negative MACD). Valuation is difficult to support given negative earnings and no dividend, while the earnings call adds some offsetting credit for tangible order activity, improving expense discipline, and execution milestones—tempered by near-term revenue softness and timing risk.
Positive Factors
Hydrogen-capable low-NOx tech
ClearSign’s Gen‑2 process burner demonstrated full operating-range hydrogen capability and strong sub‑5 ppm NOx results. That technical validation addresses long-term regulatory and hydrogen-transition demand, creating a durable product differentiation for emissions‑regulated industrial customers.
Negative Factors
Persistent cash burn
Consistent negative operating and free cash flow (~-$5M TTM) means the business relies on external funding or equity raises to sustain operations. That structural cash burn raises dilution and execution risk if project revenues or staged payments don’t materialize on schedule.
Read all positive and negative factors
Positive Factors
Negative Factors
Hydrogen-capable low-NOx tech
ClearSign’s Gen‑2 process burner demonstrated full operating-range hydrogen capability and strong sub‑5 ppm NOx results. That technical validation addresses long-term regulatory and hydrogen-transition demand, creating a durable product differentiation for emissions‑regulated industrial customers.
Read all positive factors

ClearSign Combustion (CLIR) vs. SPDR S&P 500 ETF (SPY)

ClearSign Combustion Business Overview & Revenue Model

Company Description
ClearSign Technologies Corporation, founded in 2008 and headquartered in Tulsa, Oklahoma, is a company focused on inventing and refining products and technological solutions. Operating in both the United States and the People's Republic of China, ...
How the Company Makes Money
ClearSign makes money primarily by commercializing its combustion and burner technologies for industrial combustion applications. Revenue is generated through (1) product-related sales tied to the deployment of its burner/combustion solutions (e.g...

ClearSign Combustion Earnings Call Summary

Earnings Call Date:May 20, 2026
(Q1-2026)
|
% Change Since: |
Next Earnings Date:Aug 27, 2026
Earnings Call Sentiment Neutral
The call presented a mixed but constructive picture: near-term financials were weak (revenues down ~50%, lower gross profit, increased net loss and higher operating cash usage), but there are meaningful operational positives — multiple large burner orders (32- and 36-burner), successful full-scale demonstration with strong industry attendance, a substantial project pipeline, self-funding project terms with stage payments, repeat customers, and a healthy cash balance of $7.7M. Management emphasized execution milestones (upcoming installations and source testing) that could meaningfully de-risk and accelerate revenue recognition later in the year. Given the size and quality of recent orders and demonstration traction balanced against current quarter financial softness and timing risks, the overall tone is cautiously optimistic but not yet clearly positive.
Positive Updates
New Process Burner Orders (32 and 36 burners)
Received a next-phase order for a 32-burner California project (next phase engineering/fabrication and first-article testing; engineering/testing portion ~ $0.5M) and a separate 36-burner Texas order focused on increased heater performance. These larger orders expand addressable market vs prior smaller orders (e.g., 5–8 burners).
Negative Updates
Significant Revenue Decline
Q1 2026 revenue was approximately $200,000 versus ~$400,000 in Q1 2025 — a year‑over‑year decline of ~50%, driven predominantly by decreased spare part deliveries.
Read all updates
Q1-2026 Updates
Negative
New Process Burner Orders (32 and 36 burners)
Received a next-phase order for a 32-burner California project (next phase engineering/fabrication and first-article testing; engineering/testing portion ~ $0.5M) and a separate 36-burner Texas order focused on increased heater performance. These larger orders expand addressable market vs prior smaller orders (e.g., 5–8 burners).
Read all positive updates
Company Guidance
The call’s guidance emphasized that projects are typically self-funding and revenues will be lumpy but should pick up after key start-ups, with specific metrics: Q1 2026 revenue was ~$200K (vs. ~$400K in Q1 2025), a warranty accrual of $410K contributed to an approximate $589K year‑over‑year gross profit decline, net loss rose by $114K, G&A fell by $369K, net cash used in operations was ~$1.3M (vs. ~$1.1M), and cash on hand was ~$7.7M with ~5.4M shares outstanding; order activity includes a 32‑burner California project (engineering/testing for the next phase ~$0.5M), a 36‑burner Texas project, and a 26‑burner job shipped in January with installation slated for July and start‑up targeted for October, while a typical 30‑burner process order was described as ~30 × $100K burners = ~$3M equipment plus ~$300K engineering (initial engineering/modeling ~$150K, next phase ~$250K with ~$100K for the first burner), stage payments commonly ~50% upfront, M‑Series prices averaging ~$100K (M1 ~$80K–$200K+, M25 ~$50K–$150–200K), flare system projects in the $750K–$1M range, a successful demo attended by ~23 people from 8 large refiners (showing 100% gas→100% hydrogen transitions), formal flare source testing scheduled next month, and additional fabrication completions and shipments expected later in Q3.

ClearSign Combustion Financial Statement Overview

Summary
Top-line growth versus 2022 is a positive, and leverage is very low (TTM debt-to-equity ~0.02). However, profitability and cash generation remain major concerns: TTM net margin is about -112%, gross margin has fallen to ~17% from ~27% in 2025, and operating/free cash flow are both around -$5.0M TTM, indicating ongoing cash burn and reliance on funding.
Income Statement
22
Negative
Balance Sheet
58
Neutral
Cash Flow
24
Negative
BreakdownMar 2026Mar 2025Mar 2024Mar 2023Mar 2022
Income Statement
Total Revenue5.23M3.60M2.40M374.00K607.00K
Gross Profit1.42M1.12M817.00K116.00K-452.00K
EBITDA-5.22M-5.55M-5.30M-5.47M-7.63M
Net Income-5.50M-5.30M-5.19M-5.76M-7.89M
Balance Sheet
Total Assets12.18M15.92M7.62M10.93M9.36M
Cash, Cash Equivalents and Short-Term Investments9.18M14.04M5.68M9.06M7.61M
Total Debt163.00K188.00K243.00K359.00K555.00K
Total Liabilities2.65M2.15M2.43M1.37M1.08M
Stockholders Equity9.53M13.76M5.19M9.55M8.28M
Cash Flow
Free Cash Flow-4.84M-4.59M-3.43M-5.16M-6.92M
Operating Cash Flow-4.74M-4.37M-3.23M-4.99M-6.71M
Investing Cash Flow-101.00K-218.00K2.49M-2.69M-213.00K
Financing Cash Flow-21.00K12.95M-15.00K6.54M5.69M

ClearSign Combustion Technical Analysis

Technical Analysis Sentiment
Negative
Last Price5.45
Price Trends
50DMA
4.95
Negative
100DMA
5.16
Negative
200DMA
6.31
Negative
Market Momentum
MACD
-0.21
Positive
RSI
39.69
Neutral
STOCH
39.94
Neutral
Evaluating momentum and price trends is crucial in stock analysis to make informed investment decisions. For CLIR, the sentiment is Negative. The current price of 5.45 is above the 20-day moving average (MA) of 4.45, above the 50-day MA of 4.95, and below the 200-day MA of 6.31, indicating a bearish trend. The MACD of -0.21 indicates Positive momentum. The RSI at 39.69 is Neutral, neither overbought nor oversold. The STOCH value of 39.94 is Neutral, not indicating any strong overbought or oversold conditions. Overall, these indicators collectively point to a Negative sentiment for CLIR.

ClearSign Combustion Risk Analysis

ClearSign Combustion disclosed 40 risk factors in its most recent earnings report. ClearSign Combustion reported the most risks in the "Finance & Corporate" category.
Finance & Corporate - Financial and accounting risks. Risks related to the execution of corporate activity and strategy
Latest Risks Added 0 New Risks

ClearSign Combustion Peers Comparison

Overall Rating
UnderperformOutperform
Sector (63)
Financial Indicators
Name
Overall Rating
Market Cap
P/E Ratio
ROE
Dividend Yield
Revenue Growth
EPS Growth
64
Neutral
$5.65B201.385.54%32.11%-71.47%
63
Neutral
$10.79B15.437.44%2.01%2.89%-14.66%
57
Neutral
$41.76M-14.17-7.34%-0.69%1.97%
53
Neutral
$9.49M62.203.61%-13.77%-78.34%
45
Neutral
$25.26M-4.09-53.54%73.54%17.08%
45
Neutral
$26.05M-0.96-73.79%6.94%38.10%
45
Neutral
$40.41M-1.84-338.76%
* Industrials Sector Average
Performance Comparison
Ticker
Company Name
Price
Change
% Change
CLIR
ClearSign Combustion
4.08
-2.02
-33.11%
CECO
Ceco Environmental
96.74
67.44
230.17%
CLWT
Euro Tech Holdings Company
1.28
0.18
16.36%
FTEK
Fuel Tech
1.34
-0.73
-35.27%
LIQT
LiqTech International
0.87
-0.63
-42.00%
SCWO
374Water
2.31
-1.58
-40.62%

ClearSign Combustion Corporate Events

Executive/Board ChangesShareholder Meetings
ClearSign Stockholders Approve Directors, Auditor and Equity Plan
Positive
Jun 9, 2026
On June 8, 2026, ClearSign Technologies Corporation held its 2026 annual meeting of stockholders, where 67.79% of the voting power was present, establishing a quorum and confirming solid shareholder participation. Stockholders re-elected four dire...
Business Operations and StrategyPrivate Placements and Financing
ClearSign Combustion Announces Underwritten Public Equity Offering
Positive
Jun 1, 2026
On May 28, 2026, ClearSign Technologies Corporation entered into an underwriting agreement with Newbridge Securities for a firm-commitment underwritten public offering of 777,780 common shares at $4.33 per share, primarily to existing stockholders...
Business Operations and StrategyPrivate Placements and FinancingRegulatory Filings and Compliance
ClearSign Suspends Prospectus for At-The-Market Equity Program
Neutral
May 28, 2026
On May 26, 2026, ClearSign Technologies Corporation notified H.C. Wainwright Co., LLC that it has suspended the use of and terminated the prospectus supplement supporting its at-the-market equity offering program, which had been effective since J...
Business Operations and StrategyFinancial DisclosuresProduct-Related AnnouncementsStock Split
ClearSign Combustion Advances Low-Emission Burners and Flare Retrofits
Positive
May 21, 2026
ClearSign Technologies Corporation, a developer of advanced combustion and sensing solutions for industrial markets, reported operational progress for the quarter ended March 31, 2026, alongside a strengthened position in low-emission burner and f...
Business Operations and StrategyFinancial Disclosures
ClearSign Combustion Reports Record Revenue and Strong Backlog
Positive
Apr 10, 2026
On April 9, 2026, ClearSign reported record fourth-quarter 2025 revenue of $3.7 million and full-year revenue of $5.2 million, a 44% annual increase, highlighting growing industry recognition and a stronger order backlog driven by its flexible-fue...
Delistings and Listing ChangesRegulatory Filings and Compliance
ClearSign Combustion Regains Nasdaq Minimum Bid Compliance
Positive
Mar 31, 2026
On March 30, 2026, ClearSign Technologies Corporation announced it had regained compliance with the Nasdaq Capital Market’s minimum bid price requirement after its common stock closed at or above $1.00 per share for at least ten consecutive ...
Delistings and Listing ChangesRegulatory Filings and ComplianceShareholder MeetingsStock Split
ClearSign Implements Reverse Stock Split to Maintain Nasdaq Listing
Neutral
Mar 11, 2026
On March 6, 2026, ClearSign Technologies Corporation filed a charter amendment in Delaware to implement a 1-for-10 reverse stock split of its common stock, which will take effect at 12:01 a.m. Eastern Time on March 16, 2026, with trading on a spli...
Glossary
BuyA stock rated as a "Buy" is expected to perform better than the overall market or a specific benchmark over the near-to-medium term. This rating suggests the stock is likely to deliver higher returns compared to other stocks in the same sector or market index. Note: This is not investment advice; please consult a financial advisor before making investment decisions.
HoldA stock rated as a "Hold" is expected to perform in line with the overall market or a specific benchmark. This rating indicates that the stock is neither particularly compelling nor unfavorable for investment. Note: This is not investment advice; please consult a financial advisor before making investment decisions.
SellA stock rated as a "Sell" is expected to perform worse than the overall market or a specific benchmark over the near-to-medium term. This rating suggests the stock may deliver lower returns compared to other stocks in the same sector or market index. Note: This is not investment advice; please consult a financial advisor before making investment decisions.

Disclaimer

This AI Analyst Stock Report is automatically generated by our AI systems using advanced algorithms and publicly available financial, technical, and market data. While the information provided aims to be accurate and insightful, it is intended for informational purposes only and should not be considered financial advice. Any content created by an AI (Artificial Intelligence) system may contain inaccuracies and/or contain errors. Investing in stocks carries inherent risks, and past performance is not indicative of future results. This report does not account for your personal financial circumstances, objectives, or risk tolerance. Always conduct your own research or consult with a qualified financial advisor before making investment decisions. The analysis and recommendations provided are based on historical and current data and may not fully reflect future market conditions or unexpected developments. Neither the creators of this report nor its affiliated entities guarantee the accuracy, completeness, or reliability of the information presented. Use this report at your own discretion and risk.Date of analysis: Jun 10, 2026