ClearSign Technologies (STU:4CC0) Research & Development: €1.05 Mil (TTM As of Mar. 2026)


STU:4CC0 ClearSign Technologies Corp STU:4CC0
40 GF Score
Price €3.52
GF Value €14.85
! 2 Warning Signs
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What is ClearSign Technologies Research & Development?

ClearSign Technologies STU:4CC0 40 Research & Development is €1.05 Mil as of Mar. 2026. GuruFocus rates STU:4CC0 with a GF Score™ of 40/100 and a GF Value™ of €14.85. The stock has 2 warning signs investors should review.

Research & Development is the aggregate amount of research and development expenses during the year. ClearSign Technologies's Research & Development for the three months ended in Mar. 2026 was €0.22 Mil. Its Research & Development for the trailing twelve months (TTM) ended in Mar. 2026 was €1.05 Mil.

ClearSign Technologies  (STU:4CC0) Research & Development Explanation

If competitive advantage is created by a patent or tech advantage, at some point it will disappear.

High R&D usually dictates high SG&A which threatens the competitive advantage.

ClearSign Technologies Research & Development Related Terms

ClearSign Technologies Research & Development Historical Data

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The historical data trend for ClearSign Technologies's Research & Development can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

ClearSign Technologies Research & Development Chart

ClearSign Technologies Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Research & Development
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.37 0.48 0.68 1.41 1.21

ClearSign Technologies Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Research & Development Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.41 0.21 0.26 0.36 0.22
STU:4CC0
40GF Score
ClearSign Technologies Corp STU:4CC0
Research & Development is just one metric. See GF Score™, valuation, warning signs, and more.
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ClearSign Technologies Research & Development Calculation

This is the expense the company spent on research and development.

Research & Development for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €1.05 Mil.

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Research & Development →
What does a Research & Development of €1.05 Mil mean?
ClearSign Technologies (STU:4CC0) has a Research & Development of €1.05 Mil as of Mar. 2026. Research and development expense is the total cost for research and development activities. View historical data on ClearSign Technologies and its competitors.
Is ClearSign Technologies' Research & Development too high?
ClearSign Technologies' current Research & Development is €1.05 Mil. Overall, ClearSign Technologies has a GF Score™ of 40/100, reflecting its overall financial health beyond just this single metric.
How does ClearSign Technologies' Research & Development compare to TOMZ and RAIN?
ClearSign Technologies' Research & Development of €1.05 Mil can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Research & Development for an Industrial Products company?
A good Research & Development depends on the Industrial Products industry context. However, Research & Development should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Research & Development mean?
A high Research & Development can signal that a stock is expensive relative to its fundamentals. Research and development expense is the total cost for research and development activities. View historical data on ClearSign Technologies and its competitors. ClearSign Technologies's current Research & Development is €1.05 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ClearSign Technologies stock overvalued right now?
ClearSign Technologies (STU:4CC0) has a current Research & Development of €1.05 Mil. The stock's GF Value™ is €14.85, compared to a current price of €3.52 — trading 76.3% below its estimated fair value. The current Research & Development is €1.05 Mil. ClearSign Technologies' overall GF Score™ is 40/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Research & Development calculated?
Research & Development is calculated from a company's financial statements. For ClearSign Technologies (STU:4CC0), the current Research & Development is €1.05 Mil as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is ClearSign Technologies (STU:4CC0) Overvalued in 2026?

Based on GuruFocus' analysis, ClearSign Technologies stock appears to be undervalued. The current stock price of €3.52 is trading 76.3% below its estimated GF Value™ of €14.85.

Key valuation signals for STU:4CC0:

  • Research & Development: €1.05 Mil
  • GF Value™: €14.85 vs. price of €3.52 (76.3% below fair value)
  • GF Score™: 40/100 with 2 warning signs

No single metric tells the full story. See the STU:4CC0 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

ClearSign Technologies Business Description

Other Exchanges CLIR:USA0I0B:UK
Address 8023 East 63rd Place, Suite 101, Tulsa, OK, USA, 74133
ClearSign Technologies Corp is engaged in designing and develop technologies for the purpose of decarbonization and improving key performance characteristics of industrial and commercial combustion systems, including emission and operational performance, energy efficiency and overall cost-effectiveness. Its ClearSign Core technology has been proved to be in full scale industrial test furnaces and boilers and first customer installations are currently operating in normal commercial applications The company offers products that include process burners, boiler burners, flares, and ClearSign Eye. The company operates in one segment: Combustion segment. The products of the company include: Process Burners, Midstream and Power, Flares, Boiler Burners, and Sensing Technology.
40GF Score

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Research & Development is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€3.52
Price
€14.85
GF Value