ClearSign Technologies Corp Files 8-K
Ticker: CLIR · Form: 8-K · Filed: Nov 21, 2025 · CIK: 1434524
| Field | Detail |
|---|---|
| Company | Clearsign Technologies CORP (CLIR) |
| Form Type | 8-K |
| Filed Date | Nov 21, 2025 |
| Risk Level | low |
| Pages | 2 |
| Reading Time | 2 min |
| Sentiment | neutral |
Sentiment: neutral
Topics: 8-K, financial-condition, operations
TL;DR
ClearSign Tech filed an 8-K on Nov 21 covering Nov 19 events - financials, Reg FD, exhibits.
AI Summary
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 Operations and Financial Condition, Regulation FD Disclosure, and Financial Statements and Exhibits. The company, formerly known as CLEARSIGN COMBUSTION CORP, is incorporated in Delaware and headquartered in Tulsa, Oklahoma.
Why It Matters
This 8-K filing provides updates on ClearSign Technologies' financial condition and operations, which could impact investor understanding of the company's performance and future prospects.
Risk Assessment
Risk Level: low — This filing is a routine 8-K reporting on financial condition and exhibits, not indicating any immediate significant operational or financial distress.
Key Players & Entities
- ClearSign Technologies Corporation (company) — Registrant
- CLEARSIGN COMBUSTION CORP (company) — Former company name
- November 19, 2025 (date) — Earliest event reported
- November 21, 2025 (date) — Date of report
- Tulsa, Oklahoma (location) — Principal Executive Offices
FAQ
What specific financial information is being disclosed in this 8-K filing?
The filing indicates it pertains to 'Results of Operations and Financial Condition' but does not provide specific dollar amounts or detailed financial statements within the provided text.
What is the primary purpose of this 8-K filing for ClearSign Technologies Corporation?
The primary purpose is to report on Results of Operations and Financial Condition, Regulation FD Disclosure, and Financial Statements and Exhibits as of November 19, 2025.
When was ClearSign Technologies Corporation previously known by another name?
The company was formerly known as CLEARSIGN COMBUSTION CORP, with a date of name change on May 7, 2008.
Where are ClearSign Technologies Corporation's principal executive offices located?
The principal executive offices are located at 8023 E. 63rd Place, Suite 101, Tulsa, Oklahoma 74133.
What is the SEC file number for ClearSign Technologies Corporation?
The SEC file number for ClearSign Technologies Corporation is 001-35521.
Filing Stats: 610 words · 2 min read · ~2 pages · Grade level 10.1 · Accepted 2025-11-21 16:05:35
Filing Documents
- tm2531893d1_8k.htm (8-K) — 27KB
- tm2531893d1_ex99-1.htm (EX-99.1) — 16KB
- tm2531893d1_ex99-2.htm (EX-99.2) — 134KB
- tm2531893d1_ex99-1img01.jpg (GRAPHIC) — 5KB
- tm2531893d1_ex99-2img01.jpg (GRAPHIC) — 5KB
- 0001104659-25-114991.txt ( ) — 384KB
- clir-20251119.xsd (EX-101.SCH) — 3KB
- clir-20251119_lab.xml (EX-101.LAB) — 33KB
- clir-20251119_pre.xml (EX-101.PRE) — 22KB
- tm2531893d1_8k_htm.xml (XML) — 3KB
02 Results of Operations and Financial Condition
Item 2.02 Results of Operations and Financial Condition. To the extent required, the information set forth below in Item 7.01 of this Current Report on Form 8-K is incorporated herein by reference in its entirety.
01 Regulation FD Disclosure
Item 7.01 Regulation FD Disclosure. On November 19, 2025, ClearSign Technologies Corporation (the "Company") issued a press release announcing the results of operations for the quarter ended September 30, 2025 (the "Financial Results"). The press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference in its entirety into this Item 7.01. Also on November 19, 2025, the Company held a conference call discussing the Financial Results and other business related information. A transcript of this conference call is furnished as Exhibit 99.2 to this Current Report on Form 8-K and is incorporated by reference in its entirety into this Item 7.01. The information furnished with this Item 7.01, including Exhibits 99.1 and 99.2, shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any other filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.
01 Financial Statements and Exhibits
Item 9.01 Financial Statements and Exhibits. (d) Exhibits. Exhibit No. Description 99.1** Press Release, dated November 19, 2025. 99.2** Transcript of Conference Call held on November 19, 2025. 104* Cover Page Interactive Data File (embedded within the Inline XBRL document). * Filed herewith. ** Furnished herewith. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this Current Report to be signed on its behalf by the undersigned hereunto duly authorized. Dated: November 21, 2025 CLEARSIGN TECHNOLOGIES CORPORATION By: /s/ Colin James Deller Name: Colin James Deller Title: Chief Executive Officer