Clearsign Technologies CORP (CLIR) — SEC Filings

Q: What are the key financial highlights for Clearsign Technologies CORP?

Key financial highlights for Clearsign Technologies CORP are extracted from the most recent 10-K or 10-Q filings, including revenue, net income, EPS, debt-to-equity, cash position, and operating margin.

Q: Who are the key executives at Clearsign Technologies CORP?

Key executives at Clearsign Technologies CORP are identified from SEC filings including 10-K annual reports, proxy statements, and insider trade forms.

Q: What are the main risk factors for Clearsign Technologies CORP stock?

Risk factors for Clearsign Technologies CORP (CLIR) are assessed from SEC filings using AI analysis. Each filing is categorized as high, medium, or low risk based on disclosed risk factors and financial indicators.

Q: What are recent predictions and forward guidance from Clearsign Technologies CORP?

Forward-looking statements and predictions from Clearsign Technologies CORP are extracted from SEC filings including earnings reports, annual reports, and current event filings.

Latest SEC filings for Clearsign Technologies CORP. Recent 4 filing on Apr 2, 2026. AI-decoded analysis of earnings, risk factors, and insider trades.

View Clearsign Technologies CORP on SEC EDGAR

Overview

Clearsign Technologies CORP (CLIR) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 4 filed on Apr 2, 2026: On March 31, 2026, Anthony DiDomenico reported a change in beneficial ownership of securities for ClearSign Technologies Corp. The filing details transactions related to his holdings, but specific dollar amounts and the nature of the transactions are not detailed in this summary.

Sentiment Summary

Across 50 filings, the sentiment breakdown is: 7 bearish, 42 neutral, 1 mixed. The dominant filing sentiment for Clearsign Technologies CORP is neutral.

Filing Type Overview

Clearsign Technologies CORP (CLIR) has filed 1 4, 28 8-K, 6 10-Q, 2 S-1/A, 2 S-1, 2 DEF 14A, 3 10-K/A, 2 10-K, 2 8-K/A, 1 SC 13D/A, 1 DEFA14A with the SEC between Apr 2024 to Apr 2026.

Filings by Year

2026 · 2025 · 2024

Recent Filings (50)

ClearSign Technologies Corp: Ownership Change Reported — 4 · Apr 2, 2026 Risk: low
On March 31, 2026, Anthony DiDomenico reported a change in beneficial ownership of securities for ClearSign Technologies Corp. The filing details transactions r
ClearSign Technologies Files 8-K for Regulation FD Disclosure — 8-K · Dec 8, 2025 Risk: low
ClearSign Technologies Corporation filed an 8-K on December 8, 2025, reporting a Regulation FD Disclosure. The filing does not contain specific financial figure
ClearSign Technologies Corp Files 8-K — 8-K · Nov 21, 2025 Risk: low
ClearSign Technologies Corporation filed an 8-K on November 21, 2025, reporting on events that occurred on November 19, 2025. The filing pertains to Results of
8-K Filing — 8-K · Nov 17, 2025
ClearSign Revenue Plummets 48%, Net Loss Widens Amid China Exit — 10-Q · Nov 14, 2025 Risk: high
ClearSign Technologies Corp (CLIR) reported a significant decline in revenue and an increased net loss for the three and nine months ended September 30, 2025. R
ClearSign Technologies Faces Delisting Concerns — 8-K · Sep 30, 2025 Risk: high
ClearSign Technologies Corporation filed an 8-K on September 30, 2025, reporting a notice of delisting or failure to satisfy continued listing rules. The filing
ClearSign Technologies Acquires Clean Combustion Technologies — 8-K · Aug 29, 2025 Risk: medium
ClearSign Technologies Corporation announced on August 26, 2025, that it has entered into a definitive agreement to acquire substantially all of the assets of C
ClearSign Technologies Corp Files S-1/A Amendment — S-1/A · Aug 20, 2025 Risk: medium
ClearSign Technologies Corporation filed an S-1/A amendment on August 20, 2025, for its registration statement. The company, formerly known as Clearsign Combust
ClearSign Technologies Corp Files 8-K — 8-K · Aug 15, 2025 Risk: low
ClearSign Technologies Corporation filed an 8-K on August 15, 2025, reporting on its financial condition and results of operations as of August 14, 2025. The fi
ClearSign's Revenue Halves, Losses Widen Amid China Exit — 10-Q · Aug 14, 2025 Risk: high
ClearSign Technologies Corp (CLIR) reported a significant decline in revenues for the six months ended June 30, 2025, dropping to $534 thousand from $1.147 mill
ClearSign Files S-1 for Shelf Offering, Signaling Future Capital Raise — S-1 · Aug 12, 2025 Risk: medium
ClearSign Technologies Corp (CLIR) filed an S-1 registration statement on August 12, 2025, for a delayed or continuous offering of securities under Rule 415. Th
ClearSign Technologies Faces Delisting Concerns, Officer Changes — 8-K · Aug 8, 2025 Risk: high
ClearSign Technologies Corporation filed an 8-K on August 8, 2025, reporting events as of August 4, 2025. The filing indicates a potential notice of delisting o
ClearSign Technologies Corp Reports on Shareholder Vote — 8-K · Jul 28, 2025 Risk: low
ClearSign Technologies Corporation filed an 8-K on July 28, 2025, reporting on a submission of matters to a vote of security holders that occurred on July 25, 2
ClearSign Technologies Corp Files 8-K — 8-K · Jul 18, 2025 Risk: medium
ClearSign Technologies Corporation entered into a Material Definitive Agreement on July 12, 2025. The filing also reports on other events and includes financial
ClearSign Technologies Corp Files 8-K — 8-K · Jul 11, 2025 Risk: medium
ClearSign Technologies Corporation filed an 8-K on July 11, 2025, reporting an event that occurred on June 27, 2025. The filing is categorized under 'Other Even
ClearSign Details Executive Equity Awards in Latest Proxy Filing — DEF 14A · Jun 13, 2025 Risk: medium
ClearSign Technologies Corp's DEF 14A filing, dated June 13, 2025, primarily details executive compensation and corporate governance matters for the fiscal year
ClearSign Files 10-K/A, Amending 2024 Annual Report — 10-K/A · May 28, 2025 Risk: medium
ClearSign Technologies Corp (CLIR) filed a 10-K/A on May 28, 2025, for the fiscal year ended December 31, 2024, indicating an amendment to its annual report. Th
ClearSign Technologies Corp. Files 8-K with Material Agreements & Officer Changes — 8-K · May 27, 2025 Risk: medium
ClearSign Technologies Corp. announced on May 22, 2025, a material definitive agreement and changes in its officer and director positions. The company also made
ClearSign Technologies Corp Files 8-K — 8-K · May 23, 2025 Risk: low
ClearSign Technologies Corporation filed an 8-K on May 23, 2025, reporting on events as of May 21, 2025. The filing pertains to Results of Operations and Financ
ClearSign Technologies Reports Q1 2025 Financials — 10-Q · May 15, 2025 Risk: medium
ClearSign Technologies Corp. filed its 10-Q for the period ending March 31, 2025. The company reported total assets of $52,422,532 and total equity of $50,285,5
ClearSign Technologies Corp. Faces Listing Rule Scrutiny — 8-K · Apr 4, 2025 Risk: high
ClearSign Technologies Corporation filed an 8-K on April 4, 2025, reporting events as of April 1, 2025. The filing indicates potential delisting or failure to m
ClearSign Technologies Corp. Files 2024 10-K — 10-K · Mar 31, 2025 Risk: medium
ClearSign Technologies Corp. filed its 2024 10-K on March 31, 2025, reporting on its fiscal year ending December 31, 2024. The company, formerly known as Clears
ClearSign Technologies Corp Files 8-K — 8-K · Dec 9, 2024 Risk: low
ClearSign Technologies Corporation filed an 8-K on December 6, 2024, reporting other events and financial statements. The company, formerly known as Clearsign C
ClearSign Technologies Files 8-K — 8-K · Nov 21, 2024 Risk: low
ClearSign Technologies Corporation filed an 8-K on November 20, 2024, reporting on its financial condition and operations. The filing includes financial stateme
ClearSign Technologies Reports Q3 2024 Financials — 10-Q · Nov 14, 2024 Risk: medium
ClearSign Technologies Corp filed its 10-Q for the period ending September 30, 2024. The company reported total assets of $50,234,407 and total liabilities of $
ClearSign Technologies Corp Files 2023 10-K Amendment — 10-K/A · Nov 7, 2024 Risk: low
ClearSign Technologies Corporation filed an amendment (No. 2) to its 2023 annual report on Form 10-K on November 7, 2024. The filing pertains to the fiscal year
ClearSign Technologies Faces Listing Rule Concerns — 8-K · Oct 30, 2024 Risk: high
ClearSign Technologies Corporation filed an 8-K on October 30, 2024, to report a notice of delisting or failure to satisfy a continued listing rule or standard,
ClearSign Technologies Reports Exit/Disposal Costs — 8-K · Oct 1, 2024 Risk: medium
ClearSign Technologies Corporation filed an 8-K on October 1, 2024, to report costs associated with exit or disposal activities. The filing does not specify the
ClearSign Technologies Files 8-K/A Amendment — 8-K/A · Aug 23, 2024 Risk: low
ClearSign Technologies Corporation filed an amendment (8-K/A) on August 23, 2024, regarding a submission of matters to a vote of security holders and financial
ClearSign Technologies Q2 2024 10-Q Filed — 10-Q · Aug 14, 2024 Risk: medium
ClearSign Technologies Corp. filed its 10-Q for the period ending June 30, 2024. The company reported total assets of $50,205,657 and total liabilities of $38,6
ClearSign Appoints New CFO, Offers Stock Incentives — 8-K · Aug 6, 2024 Risk: low
ClearSign Technologies Corporation announced on August 1, 2024, the appointment of Michael J. Collins as Chief Financial Officer, effective August 5, 2024. Coll
ClearSign Technologies Corp Files S-1/A Amendment — S-1/A · Jul 3, 2024 Risk: medium
ClearSign Technologies Corporation filed an S-1/A amendment on July 3, 2024, regarding its registration statement. The company, formerly known as Clearsign Comb
ClearSign Technologies Corp Files 8-K/A Amendment — 8-K/A · Jun 28, 2024 Risk: low
ClearSign Technologies Corporation filed an amendment (8-K/A) on June 28, 2024, regarding a submission of matters to a vote of security holders that occurred on
ClearSign Technologies Corp Files 8-K with Material Agreements — 8-K · Jun 26, 2024 Risk: medium
ClearSign Technologies Corporation announced on June 24, 2024, that it entered into a Material Definitive Agreement. The company also reported on unregistered s
clirSPV LLC Amends ClearSign Technologies Filing — SC 13D/A · Jun 26, 2024 Risk: medium
clirSPV LLC, through Robert T. Hoffman Sr., has filed an amendment (Amendment No. 4) to its Schedule 13D on June 26, 2024, regarding its holdings in ClearSign T
ClearSign Technologies Corp Reports Director/Officer Changes — 8-K · Jun 20, 2024 Risk: medium
ClearSign Technologies Corporation filed an 8-K on June 16, 2024, reporting changes in its board of directors and certain officers, along with updates to compen
ClearSign Technologies Corp. Files Proxy Statement Amendment — DEFA14A · Jun 10, 2024 Risk: low
ClearSign Technologies Corp. filed an amendment (Amendment No. 1) to its Definitive Proxy Statement (DEFA14A) on June 10, 2024. This filing relates to the compa
ClearSign Technologies Acquires Clean Combustion Technologies — 8-K · Jun 7, 2024 Risk: medium
ClearSign Technologies Corporation announced on June 3, 2024, that it has entered into a definitive agreement to acquire substantially all of the assets of Clea
ClearSign Technologies Corp Files 8-K on Financials — 8-K · May 28, 2024 Risk: low
ClearSign Technologies Corporation filed an 8-K on May 28, 2024, reporting on events that occurred on May 23, 2024. The filing pertains to Results of Operations
ClearSign Technologies Files S-1 for Security Registration — S-1 · May 20, 2024 Risk: medium
ClearSign Technologies Corporation filed an S-1 registration statement on May 20, 2024, to register securities under the Securities Act of 1933. The company, fo
ClearSign Technologies Corp. Files 10-Q for Period Ending March 31, 2024 — 10-Q · May 15, 2024 Risk: medium
ClearSign Technologies Corp (CLIR) filed a Quarterly Report (10-Q) with the SEC on May 15, 2024. ClearSign Technologies Corp. filed a 10-Q for the period ending
ClearSign Technologies Files 8-K on Equity Sales — 8-K · May 10, 2024 Risk: medium
ClearSign Technologies Corporation filed an 8-K on May 10, 2024, reporting on unregistered sales of equity securities and other events. The filing details the c
ClearSign Technologies Corp. Announces 2024 Annual Meeting of Stockholders — DEF 14A · May 10, 2024 Risk: low
ClearSign Technologies Corp (CLIR) filed a Proxy Statement (DEF 14A) with the SEC on May 10, 2024. The 2024 annual meeting of stockholders for ClearSign Technol
ClearSign Technologies Corp Files 8-K — 8-K · May 3, 2024 Risk: medium
ClearSign Technologies Corporation filed an 8-K on May 2, 2024, to report a notice of delisting or failure to satisfy a continued listing rule or standard, and
ClearSign Technologies Corp. Files Amendment to Annual Report — 10-K/A · Apr 26, 2024 Risk: low
ClearSign Technologies Corp (CLIR) filed a Amended Annual Report (10-K/A) with the SEC on April 26, 2024. ClearSign Technologies Corporation filed an amendment
ClearSign Technologies Corp Files 8-K — 8-K · Apr 25, 2024 Risk: low
ClearSign Technologies Corporation filed an 8-K on April 25, 2024, reporting on results of operations, financial condition, and other events as of April 23, 202
ClearSign Technologies Appoints New CFO — 8-K · Apr 24, 2024 Risk: medium
ClearSign Technologies Corporation announced on April 23, 2024, the appointment of Michael J. Collins as Chief Financial Officer, effective immediately. Collins
ClearSign Technologies Corp Files 8-K for Material Agreement — 8-K · Apr 23, 2024 Risk: medium
ClearSign Technologies Corporation entered into a Material Definitive Agreement on April 22, 2024, related to the unregistered sale of equity securities. The fi
ClearSign Technologies Corp Files 8-K: Material Agreement & Equity Sales — 8-K · Apr 19, 2024 Risk: medium
ClearSign Technologies Corporation announced on April 19, 2024, that it has entered into a material definitive agreement. The company also disclosed unregistere
ClearSign Technologies Corp. Files 2023 Annual Report on Form 10-K — 10-K · Apr 1, 2024 Risk:
ClearSign Technologies Corp (CLIR) filed a Annual Report (10-K) with the SEC on April 1, 2024. ClearSign Technologies Corp. filed its 2023 10-K report on April

Risk Profile

Risk Assessment: Of CLIR's 48 recent filings, 6 were flagged as high-risk, 25 as medium-risk, and 17 as low-risk. The overall risk profile suggests moderate risk with a balanced mix of positive and cautionary disclosures.

Financial Highlights

Key financial metrics from Clearsign Technologies CORP's most recent 10-Q filing (Nov 14, 2025):

Revenue: $1.029M
Net Income: -$1.429M
EPS: -$0.03
Debt-to-Equity: 0.40
Cash Position: $10.488M
Operating Margin: -170.07%
Total Assets: $12.747M
Total Debt: $3.669M

Key Executives

Anthony DiDomenico
0001083544
Board of Directors
Chief Executive Officer
Colin James Deller
Blake Baron
Blake Baron, Esq.
Gabriel Miranda, Esq.
Michael J. Collins
Robert T. Hoffman Sr.
Nimish Patel

Industry Context

ClearSign Technologies operates in the industrial combustion and emissions control sector, focusing on decarbonization technologies. This market is driven by increasing regulatory pressure for emission reductions and the global push towards sustainability. Competitors range from established industrial equipment manufacturers to specialized cleantech firms, all vying for market share in a transition towards cleaner energy and industrial processes.

Top Tags

corporate-governance (6) · operations (5) · material-agreement (5) · financials (5) · amendment (5) · 8-K (4) · financial-condition (4) · sec-filing (4) · 8-k (4) · SEC Filing (4)

Executive Compensation

From the most recent DEF 14A filing (Jun 13, 2025):

Not Disclosed — Principal Executive Officer: $0
Not Disclosed — Principal Financial Officer: $0
Not Disclosed — Other Named Executive Officers: $0
Not Disclosed — Non-PEO/NEO Individuals: $0

Key Numbers

Revenue for Q3 2025: $1.029M — 44.7% decrease from $1.859M in Q3 2024
Revenue for nine months ended Sep 30, 2025: $1.563M — 48.0% decrease from $3.006M in 2024
Net loss for Q3 2025: $1.429M — Increased from $1.155M in Q3 2024
Net loss for nine months ended Sep 30, 2025: $5.185M — Increased from $4.135M in 2024
Cash and cash equivalents as of Sep 30, 2025: $10.488M — Decreased from $14.035M at Dec 31, 2024
Contract liabilities as of Sep 30, 2025: $1.148M — Increased significantly from $73K at Dec 31, 2024
Shares of common stock outstanding: 53,273,405 — As of November 6, 2025
Net loss per share for Q3 2025: $0.03 — Increased from $0.02 in Q3 2024
SEC File Number: 333-289549 — Identifies the specific registration filing
Film Number: 251237214 — Internal SEC processing number
Revenues: $534K — decreased by 53.4% for the six months ended June 30, 2025, from $1.147 million in 2024
Net Loss: $3.756M — widened by 26.0% for the six months ended June 30, 2025, from $2.980 million in 2024
Cash and Cash Equivalents: $12.339M — decreased from $14.035 million at December 31, 2024
Total Operating Expenses: $4.346M — increased for the six months ended June 30, 2025, from $3.868 million in 2024
Contract Liabilities: $1.675M — significantly increased from $73 thousand at December 31, 2024

Frequently Asked Questions

What are the latest SEC filings for Clearsign Technologies CORP (CLIR)?

Clearsign Technologies CORP has 50 recent SEC filings from Apr 2024 to Apr 2026, including 28 8-K, 6 10-Q, 3 10-K/A. Each filing includes an AI-generated plain-English summary.

What is the overall sentiment of CLIR filings?

Across 50 filings, the sentiment breakdown is: 7 bearish, 42 neutral, 1 mixed. The dominant sentiment is neutral.

Where can I find Clearsign Technologies CORP SEC filings explained simply?

ReadTheFiling provides AI-powered plain-English summaries of all Clearsign Technologies CORP (CLIR) SEC filings, including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and insider trades.

What are the key financial highlights for Clearsign Technologies CORP?

Key financial highlights from Clearsign Technologies CORP's most recent 10-Q include metrics such as revenue, net income, EPS, and debt ratios. Visit the filing detail page for the full breakdown.

What is the investment thesis for CLIR?

The investment thesis for CLIR includes bull, base, and bear case scenarios derived from AI analysis of recent SEC filings.

Who are the key executives at Clearsign Technologies CORP?

Key executives identified across Clearsign Technologies CORP's filings include Anthony DiDomenico, 0001083544, Board of Directors, Chief Executive Officer, Colin James Deller and 6 others.

What are the main risk factors for Clearsign Technologies CORP stock?

Of CLIR's 48 assessed filings, 6 were flagged high-risk, 25 medium-risk, and 17 low-risk.

What are recent predictions and forward guidance from Clearsign Technologies CORP?

Forward guidance and predictions for Clearsign Technologies CORP are extracted from SEC filings as they are enriched.