ClearSign Technologies Corporation Provides Fourth Quarter and Full Year 2025 Update
Rhea-AI Summary
ClearSign (Nasdaq:CLIR) reported record Q4 revenue of $3.7 million and full-year 2025 revenue of $5.2 million, up 44% year-over-year. The company cited expanding proposal pipeline, new ClearSign Core-2 hydrogen-capable burners, multiple engineering orders and successful DOE SBIR sub-5ppm burner testing.
Cash and cash equivalents were approximately $9.2 million as of December 31, 2025, and 5,328,730 shares were outstanding following a 1-for-10 reverse split effective March 16, 2026.
AI-generated analysis. Not financial advice.
Positive
- Revenue +44% YoY to $5.2M
- Record Q4 revenue $3.7M
- Secured engineering orders for 68 process burners
- Successful DOE SBIR sub-5ppm flexible-fuel testing
- Received fifth low-emission flare retrofit order
Negative
- Completed 1-for-10 reverse stock split effective Mar 16, 2026
News Market Reaction – CLIR
On the day this news was published, CLIR declined 14.40%, reflecting a significant negative market reaction. Argus tracked a peak move of +2.4% during that session. Argus tracked a trough of -28.5% from its starting point during tracking. Our momentum scanner triggered 9 alerts that day, indicating moderate trading interest and price volatility. This price movement removed approximately $6M from the company's valuation, bringing the market cap to $37.16M at that time.
Data tracked by StockTitan Argus on the day of publication.
Achieves Record Quarterly Revenue of
Annual Revenue Up
TULSA, OK / ACCESS Newswire / April 9, 2026 / ClearSign Technologies Corporation (Nasdaq:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and safety, and support the use of cleaner fuels including hydrogen, today provides an update on operations for the fourth quarter and full year ended December 31, 2025.
"We're pleased to have closed the year on a high note, delivering record results for both the fourth quarter and the full year. We believe that this performance reflects ClearSign's growing recognition across the industry and increasing traction in our markets," said Jim Deller, Ph.D., Chief Executive Officer of ClearSign. "We expect this momentum to continue, supported by a strong and expanding proposal pipeline. Our highly adaptable, new flexible fuel ClearSign Core-2 process burner technology, which delivers ultra-low emissions while utilizing fuel blends, including up to
"We anticipate that these, and other ongoing projects, when completed and operational will strengthen our track record and expand our base of references. Looking ahead, our priorities are clear: continue to grow our proposal pipeline and convert those opportunities into orders," concluded Dr. Deller.
Strategic and Operational Highlights
Recent strategic and operational highlights including, and subsequent to, the fourth quarter of 2025:
Received Engineering Orders for 36 Process Burner Heaters and 32 Burner Process Heaters: The Company received two separate orders:(1) the first order was from an integrated petroleum producer as the first phase of a process heater retrofit for a total of 36 ClearSign Core™ burners to be installed in their U.S. Gulf Coast refinery, and (2) the second order was from a major refiner as the first phase of a process heater retrofit for a total of 32 ClearSign Core™ burners to be installed in one of its California refineries.
Reported Successful Sub 5ppm Department of Energy/Small Business Innovation Research Flexible Fuel Burner Testing: In conjunction with the U.S. Department of Energy's ("DOE") National Energy Technology Laboratory ("NETL"), under its Small Business Innovation Research ("SBIR") program, the Company successfully completed the testing of its ClearSign Core™ Flexible Fuel,
Received Fifth Low-Emission Flare Order from an Energy Company in California: The Company received an order covering engineering and product delivery for a total retrofit enclosed flare system at a production facility in California's San Joaquin Valley, scheduled for delivery in the third quarter of 2026. The scope of the order includes upgraded flare technology, stack components, and control upgrades, further expanding ClearSign's engagement beyond burner technology and into broader emission and system integration solutions.
Received Order for Comprehensive Testing of
Received Two Separate ClearSign CoreTM "M" Series Burner Orders from Heater Manufacturer Devco Process Heaters: Both orders are for the new ClearSign Core™ M25. One of these orders has shipped and is awaiting installation in a hot oil heater at a New Mexico gas processing facility and the other has been installed and successfully started up in a gas processing facility of a multinational energy company in West Texas.
Financial Information
Cash and cash equivalents were approximately
There were 5,328,730 shares of the Company's common stock issued and outstanding as of December 31, 2025, which reflects the 1-for-10 reverse stock split of our shares of common stock that became effective on March 16, 2026.
Conference Call
The Company will be hosting a call at 5:00 PM ET today. Investors interested in participating on the live call can dial 1-888-506-0062 within the U.S. or 1-973-528-0011 from abroad, both using Participant Access Code: 837062. Investors can also access the call online through a listen-only webcast at https://www.webcaster5.com/Webcast/Page/3133/53796 or on the investor relations section of the Company's website at http://ir.clearsign.com/overview.
The Company will host a Q&A session during the call and investors wishing to submit a question ahead of time can do so by emailing questions to mselinger@firmirgroup.com.
The webcast will be archived on the Company's investor relations website for at least 90 days and a telephonic playback of the conference call will be available by calling 877-481-4010 within the U.S. or 919-882-2331 from abroad using Replay Passcode #53796. The telephonic playback will be available for 7 days after the conference call.
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, including operational performance, energy efficiency, emission reduction, safety, the use of hydrogen as a fuel and overall cost-effectiveness. Our patented technologies, embedded in established OEM products as ClearSign Core™ and ClearSign Eye™ and other sensing configurations, enhance the performance of combustion systems and fuel safety systems in a broad range of markets, including the energy (upstream oil production and down-stream refining), commercial/industrial boiler, chemical, petrochemical, transport and power industries. For more information, please visit www.clearsign.com.
Cautionary Note on Forward-Looking Statements
All statements in this press release that are not based on historical fact are "forward-looking statements." You can find many (but not all) of these statements by looking for words such as "approximates," "believes," "hopes," "expects," "anticipates," "estimates," "projects," "intends," "plans," "would," "should," "could," "may," "will" or other similar expressions. While management has based any forward-looking statements included in this press release on its current expectations on the Company's strategy, plans, intentions, performance, or future occurrences or results, the information on which such expectations were based may change. These forward-looking statements rely on a number of assumptions concerning future events and are subject to a number of risks, uncertainties and other factors, many of which are outside of the Company's control, that could cause actual results to materially differ from such statements. Such risks, uncertainties and other factors include, but are not limited to, the Company's ability to successfully deliver, install, and meet the performance obligations of the Company's burners, sensors, flares and any other products it may offer from time to time in the markets it operate in, and any other markets the Company may sell products in; the performance of the Company's products, including its ultra-low NOx burner and the related fuel and electricity savings; the Company's ability to timely fabricate and ship its burners, sensors, flares and any other products or technologies it may offer from time to time; the Company's ability to further expand the sale of ultra-low NOx process and boiler burners; the Company's ability to expand its sales of flaring solutions; the Company's and Zeeco's ability to successfully market the co-branded process burner line with Zeeco; the Company's ability to diversify its product offerings through different applications of its technologies and core competencies; the Company's ability to successfully perform engineering and computer modeling orders; the Company's ability to generate sales and purchase orders from its engineering and computer modeling orders; the Company's ability to generate orders from proposals and quotes sent to potential customers and other participants in the industry; the Company's ability to market and gain market acceptance of its fuel flexible
For further information:
Investor Relations:
Matthew Selinger
Firm IR Group for ClearSign
+1 415-572-8152
mselinger@firmirgroup.com
ClearSign Technologies Corporation
Consolidated Balance Sheets
(in thousands, except share and per share data) | December 31, | |||||||
2025 | 2024 | |||||||
ASSETS | ||||||||
Current Assets: | ||||||||
Cash and cash equivalents | $ | 9,178 | $ | 14,035 | ||||
Accounts receivable | 1,360 | 165 | ||||||
Deferred costs | 329 | 562 | ||||||
Prepaid expenses and other assets | 359 | 454 | ||||||
Total current assets | 11,226 | 15,216 | ||||||
Fixed assets, net | 195 | 238 | ||||||
Patents and other intangible assets, net | 760 | 830 | ||||||
Total Assets | $ | 12,181 | $ | 16,284 | ||||
LIABILITIES AND STOCKHOLDERS' EQUITY | ||||||||
Current Liabilities: | ||||||||
Accounts payable and accrued liabilities | $ | 1,644 | $ | 1,220 | ||||
Current portion of lease liabilities | 96 | 75 | ||||||
Accrued compensation and related taxes | 564 | 671 | ||||||
Contract liabilities | 100 | 441 | ||||||
Other current liabilities | 180 | - | ||||||
Total current liabilities | 2,584 | 2,407 | ||||||
Long Term Liabilities: | ||||||||
Long term lease liabilities | 67 | 113 | ||||||
Total liabilities | 2,651 | 2,520 | ||||||
Commitments and contingencies (Note 12) | ||||||||
Stockholders' Equity: | ||||||||
Preferred stock, | - | - | ||||||
Common stock, | 1 | 1 | ||||||
Additional paid-in capital* | 114,061 | 112,800 | ||||||
Accumulated other comprehensive loss | (20 | ) | (21 | ) | ||||
Accumulated deficit | (104,512 | ) | (99,016 | ) | ||||
Total stockholders' equity | 9,530 | 13,764 | ||||||
Total Liabilities and Stockholders' Equity | $ | 12,181 | $ | 16,284 | ||||
* Share, additional paid-in capital, and per share amounts for the years ended December 31, 2025 and 2024 have been adjusted to reflect the impact of a 1-for-10 reverse stock split effected on March 16, 2026.
ClearSign Technologies Corporation
Consolidated Statements of Operations and Comprehensive Loss
(in thousands, except share and per share data) | For the Year Ended | |||||||
December 31, | ||||||||
2025 | 2024 | |||||||
Revenues | $ | 5,234 | $ | 3,596 | ||||
Cost of goods sold | 3,810 | 2,478 | ||||||
Gross profit | 1,424 | 1,118 | ||||||
Operating expenses: | ||||||||
Research and development | 1,422 | 1,471 | ||||||
General and administrative | 6,673 | 6,135 | ||||||
Total operating expenses | 8,095 | 7,606 | ||||||
Loss from operations | (6,671 | ) | (6,488 | ) | ||||
Other income, net: | ||||||||
Interest income | 439 | 516 | ||||||
Government assistance | 736 | 664 | ||||||
Other income, net | - | 9 | ||||||
Total other income, net | 1,175 | 1,189 | ||||||
Net loss | $ | (5,496 | ) | $ | (5,299 | ) | ||
Net loss per share - basic and fully diluted | $ | (0.99 | ) | $ | (1.08 | ) | ||
Weighted average number of shares outstanding - basic and fully diluted* | 5,551,194 | 4,893,599 | ||||||
Comprehensive loss: | ||||||||
Net loss | $ | (5,496 | ) | $ | (5,299 | ) | ||
Foreign-exchange translation adjustments | 1 | (4 | ) | |||||
Comprehensive loss | $ | (5,495 | ) | $ | (5,303 | ) | ||
* Share and per share amounts for the years ended December 31, 2025 and 2024 have been adjusted to reflect the impact of a 1-for-10 reverse stock split effected on March 16, 2026.
SOURCE: ClearSign Technologies
View the original press release on ACCESS Newswire