ClearSign Technologies Corporation Announces 1-for-10 Reverse Stock Split to be Effective As of March 16, 2026
Rhea-AI Summary
ClearSign Technologies (NASDAQ:CLIR) announced a 1-for-10 reverse stock split effective 12:01 a.m. ET on March 16, 2026, intended to increase the per-share price and regain compliance with Nasdaq's $1.00 minimum bid requirement. Shares outstanding will reduce from ~54.1 million to ~5.41 million; the ticker remains CLIR and a new CUSIP is 185064201.
Outstanding warrants and equity awards will be proportionately adjusted, no fractional shares will be issued (rounded up at the DTC participant level), and transfer agent VStock Transfer will act as exchange agent.
Positive
- Reverse split targets Nasdaq compliance by raising per-share price
- Shares outstanding reduced from ~54.1M to ~5.41M, increasing per-share metrics
Negative
- Reverse split may reduce liquidity due to ~90% fewer outstanding shares
- Proportionate increase in exercise prices for warrants and equity awards may affect option economics
News Market Reaction – CLIR
On the day this news was published, CLIR declined 21.65%, reflecting a significant negative market reaction. Argus tracked a peak move of +7.5% during that session. Argus tracked a trough of -29.8% from its starting point during tracking. Our momentum scanner triggered 13 alerts that day, indicating notable trading interest and price volatility. This price movement removed approximately $10M from the company's valuation, bringing the market cap to $34M at that time. Trading volume was very high at 5.0x the daily average, suggesting heavy selling pressure.
Data tracked by StockTitan Argus on the day of publication.
Key Figures
Market Reality Check
Peers on Argus
Momentum scanner flags CLIR in the down direction while only one peer (CLWT) appears, moving up 1.61%. Broader peers show mixed moves (LIQT +5%, TOMZ +11.15%, CLWT -0.75%, DEVS -2.07%, ZONE +3.9%), pointing to stock-specific dynamics around the reverse split news.
Historical Context
| Date | Event | Sentiment | Move | Catalyst |
|---|---|---|---|---|
| Feb 18 | Corporate update call | Neutral | -3.4% | Announcement of upcoming business update conference call and webcast details. |
| Feb 17 | Commercial order win | Positive | +2.3% | Fifth low-emission retrofit enclosed flare burner order from California energy customer. |
| Jan 07 | Preliminary earnings | Positive | +27.9% | Preliminary 2025 results with record Q4 revenue of ~$3.6M and FY ~$5.2M. |
| Nov 19 | Operational update | Positive | -4.5% | Q3 2025 update highlighting multiple burner, flare and hydrogen testing orders. |
| Nov 06 | Earnings call notice | Neutral | -2.2% | Scheduling and access details for the Q3 2025 earnings conference call. |
Positive operational and revenue updates have sometimes produced strong gains, but several neutral or positive disclosures were followed by modest declines, indicating uneven news-to-price alignment.
Over the past months, ClearSign reported record preliminary Q4 2025 revenue of ~$3.6M and full-year revenue of ~$5.2M on Jan 7, 2026, which coincided with a +27.85% move. Operational updates on orders and hydrogen-capable testing in Nov 2025 and a fifth low‑emission flare order on Feb 17, 2026 showed commercial traction, though price reactions were mixed. Conference and corporate update call announcements in Nov 2025 and Feb 2026 saw modest declines, suggesting routine communications have not consistently supported the share price.
Market Pulse Summary
The stock dropped -21.6% in the session following this news. A negative reaction despite the mechanical nature of a 1-for-10 reverse split would fit a pattern where some operational or corporate updates coincided with declines, such as the Q3 2025 update’s -4.46% move. The stock traded near $0.5361, well below the $1.00 Nasdaq threshold, so sentiment around listing risk and reduced post‑split share count of roughly 5.41M could have amplified downside, even though the action itself primarily adjusted share count and price per share.
Key Terms
reverse stock split financial
Nasdaq Capital Market financial
CUSIP financial
Depository Trust Company financial
equity incentive plans financial
Definitive Proxy Statement regulatory
Form 8-K regulatory
Securities and Exchange Commission regulatory
AI-generated analysis. Not financial advice.
TULSA, OKLAHOMA / ACCESS Newswire / March 10, 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 announced a 1-for-10 reverse stock split of its outstanding common stock. The reverse stock split will become effective at 12:01 a.m. ET on March 16, 2026. The common stock is expected to begin trading on a split-adjusted basis on the Nasdaq Capital Market ("Nasdaq") under the same symbol "CLIR" when the market opens on March 16, 2026, with the new CUSIP number 185064201.
The reverse stock split was approved by the Company's stockholders at the Company's special meeting of stockholders held on February 26, 2026. The reverse stock split is intended to increase the per share trading price of the Company's common stock to regain compliance with the
The number of authorized shares of common stock and the par value per share will remain unchanged. As a result of the reverse stock split, every 10 shares of the Company's pre-reverse split common stock will be combined and reclassified into one share of common stock. Proportionate voting rights and other rights of such holders will not be affected by the reverse stock split. No fractional shares will be issued. Stockholders otherwise entitled to a fractional share will receive one whole share rounded up at the participant level with the Depository Trust Company (the "DTC").
In accordance with the terms of the Company's outstanding warrants, equity incentive plans and applicable award agreements, the number of shares underlying outstanding warrants and equity awards will be proportionately adjusted, and any exercise prices will be proportionately increased, to reflect the reverse stock split.
The Company's transfer agent, VStock Transfer, LLC, is acting as exchange agent for the reverse stock split and will send instructions to stockholders of record regarding the exchange of certificates for common stock, if any, for uncertificated shares of common stock. Stockholders owning shares via a broker or other nominee will have their positions automatically adjusted at the participant level with the DTC to reflect the reverse stock split, subject to the brokers' particular processes, and will not be required to take any action in connection with the reverse stock split.
Additional information about the reverse stock split can be found in the Company's Definitive Proxy Statement filed with the Securities and Exchange Commission (the "SEC") on February 2, 2026 (the "Proxy Statement"). The Proxy Statement is available at www.sec.gov or at the Company's website at www.clearsign.com. Additional information regarding this reverse stock split will be included in a Current Report on Form 8-K to be filed by the Company with the SEC on or about March 11, 2026.
Forward-Looking Statements
This press release may contain forward-looking statements about the Company, including, without limitation, the Company's expectations regarding anticipated compliance with Nasdaq's minimum bid price rules. 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 regain compliance with Nasdaq's minimum bid price rule, the Company's ability to successfully complete engineering orders for its customers; the Company's ability to generate equipment and installation orders following an initial engineering order from customers; the Company's ability to successfully deliver, install, and meet the performance obligations of the Company's burners in the California market and any other markets the Company may sell products in; the Company's ability to further expand the sale of ultra-low NOx process, flare and boiler burners; the Company's ability to continue expanding its customer base in the refining industry; the Company's ability to effectively compete in the flare industry and to retain its existing customers in such industry; the Company's ability to provide low emissions retrofit solutions based on continuously changing air permit requirements at the federal and state level; the Company's ability to continue innovating and expanding its scope of product and service applications; the Company's ability to expand its engagement with current, and future, customers beyond burner technology and into broader emission and system integration solutions; general business and economic conditions; the performance of management and the Company's employees; the Company's ability to obtain financing; whether the Company's technology will be accepted and adopted and other factors identified in the Company's Annual Report on Form 10-K and other periodic and current reports filed with the SEC and available for review at www.sec.gov. Furthermore, the Company operates in a competitive environment where new and unanticipated risks may arise. Accordingly, investors should not place any reliance on forward-looking statements as a prediction of actual results. The Company disclaims any intention to, and, except as may be required by law, undertakes no obligation to, update or revise forward-looking statements to reflect events or circumstances that subsequently occur or of which the Company hereafter become aware.
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.
Investor Relations:
Matthew Selinger
Firm IR Group for ClearSign
+1 415-572-8152
mselinger@firmirgroup.com
SOURCE: ClearSign Technologies
View the original press release on ACCESS Newswire
FAQ
What does ClearSign (CLIR) 1-for-10 reverse stock split mean for shareholders?
When will the CLIR reverse stock split take effect and begin trading on Nasdaq?
Will my ClearSign (CLIR) fractional shares be paid in cash after the 1-for-10 split?
How will ClearSign's (CLIR) warrants and equity awards be affected by the reverse split?
Do CLIR stockholders need to take action for the March 16, 2026 reverse split?