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CLIR Insider Trading

Insider Ownership Percentage: 4.96%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $0.00

ClearSign Technologies Insider Trading History Chart

This chart shows the insider buying and selling history at ClearSign Technologies by year and by quarter.

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ClearSign Technologies Share Price & Price History

Current Price: $0.66
Price Change: ▲ Price Increase of +0.0425 (6.94%)
As of 12/12/2025 05:00 PM ET

This chart shows the closing price history over time for CLIR up to the past year.

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Days: 30 | 90 | 365

ClearSign Technologies Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
6/24/2024Robert Thurston Sr Hoffman SrMajor ShareholderBuy3,350,000$0.91$3,048,500.009,539,857View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for ClearSign Technologies (NASDAQ:CLIR)

24.03% of ClearSign Technologies stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at CLIR by year and by quarter.

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ClearSign Technologies Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/13/2025Beacon Pointe Advisors LLC271,739$0.15M0.0%N/A0.518%Search for SEC Filing on Google Icon
8/13/2025Northwestern Mutual Wealth Management Co.71,730$40K0.0%+895.3%0.137%Search for SEC Filing on Google Icon
5/20/2025Integrity Alliance LLC.39,524$30K0.0%N/A0.075%Search for SEC Filing on Google Icon
4/15/2025Simon Quick Advisors LLC603,149$0.45M0.0%N/A1.151%Search for SEC Filing on Google Icon
2/17/2025Citadel Advisors LLC34,134$49K0.0%N/A0.068%Search for SEC Filing on Google Icon
2/14/2025Northern Trust Corp75,466$0.11M0.0%+23.8%0.150%Search for SEC Filing on Google Icon
2/13/2025Raymond James Financial Inc.51,832$75K0.0%N/A0.103%Search for SEC Filing on Google Icon
2/13/2025Renaissance Technologies LLC58,500$84K0.0%N/A0.116%Search for SEC Filing on Google Icon
2/12/2025Geode Capital Management LLC536,995$0.77M0.0%+3.0%1.069%Search for SEC Filing on Google Icon
2/6/2025Raymond James Financial Inc.51,832$75K0.0%N/A0.103%Search for SEC Filing on Google Icon
1/31/2025DDD Partners LLC105,000$0.15M0.0%-8.7%0.209%Search for SEC Filing on Google Icon
11/16/2024Geode Capital Management LLC521,229$0.44M0.0%+35.5%1.038%Search for SEC Filing on Google Icon
10/28/2024Americana Partners LLC30,000$25K0.0%N/A0.060%Search for SEC Filing on Google Icon
10/11/2024Creative Planning207,070$0.18M0.0%-22.2%0.412%Search for SEC Filing on Google Icon
5/10/2024Prevail Innovative Wealth Advisors LLC46,306$45K0.0%N/A0.101%Search for SEC Filing on Google Icon
4/15/2024Disciplined Investments LLC48,016$46K0.0%+223.0%0.123%Search for SEC Filing on Google Icon
7/13/2023Cambridge Investment Research Advisors Inc.443,000$0.58M0.0%N/A1.149%Search for SEC Filing on Google Icon
8/12/2022Robertson Stephens Wealth Management LLC21,440$25K0.0%N/A0.056%Search for SEC Filing on Google Icon
2/1/2022Traynor Capital Management Inc.34,000$46K0.0%+61.9%0.108%Search for SEC Filing on Google Icon
12/8/2021Moors & Cabot Inc.21,000$42K0.0%N/A0.067%Search for SEC Filing on Google Icon
11/10/2021Avidian Wealth Solutions LLC115,995$0.23M0.0%+30.3%0.368%Search for SEC Filing on Google Icon
11/10/2021Levin Capital Strategies L.P.142,103$0.28M0.0%-26.6%0.451%Search for SEC Filing on Google Icon
11/4/2021Close Asset Management Ltd14,000$28K0.0%+211.1%0.044%Search for SEC Filing on Google Icon
Data available starting January 2016

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ClearSign Technologies logo
ClearSign Technologies Corporation designs and develops products and technologies to enhance emission and operational performance, energy efficiency, emission reduction, safety, and overall cost-effectiveness of industrial and commercial systems in the United States, the People's Republic of China, and Hong Kong. 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 individually, or in combination, 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. The company was formerly known as ClearSign Combustion Corporation and changed its name ClearSign Technologies Corporation in November 2019. ClearSign Technologies Corporation was incorporated in 2008 and is headquartered in Tulsa, Oklahoma.
Read More on ClearSign Technologies

Today's Range

Now: $0.66
Low: $0.65
High: $0.74

50 Day Range

MA: $0.84
Low: $0.61
High: $1.06

52 Week Range

Now: $0.66
Low: $0.46
High: $1.72

Volume

314,127 shs

Average Volume

90,444 shs

Market Capitalization

$34.90 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.2

Who are the company insiders with the largest holdings of ClearSign Technologies?

ClearSign Technologies' top insider investors include:
  1. Robert Thurston Sr Hoffman Sr (Major Shareholder)
Learn More about top insider investors at ClearSign Technologies.