# EDGAR Filing Document

**Accession Number:** 0001434524
**File Stem:** 0001104659-25-067452
**Filing Date:** 2025-7
**Character Count:** 6303
**Document Hash:** 1146941e5c516bc9478ed8986143567e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-067452.hdr.sgml**: 20250711

**ACCESSION NUMBER**: 0001104659-25-067452

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20250627

**ITEM INFORMATION**: Other Events

**FILED AS OF DATE**: 20250711

**DATE AS OF CHANGE**: 20250711

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ClearSign Technologies Corp
- **CENTRAL INDEX KEY:** 0001434524
- **STANDARD INDUSTRIAL CLASSIFICATION:** INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35521
- **FILM NUMBER:** 251119681

**BUSINESS ADDRESS:**
- **STREET 1:** 8023 E. 63RD PLACE, SUITE 101
- **CITY:** TULSA
- **STATE:** OK
- **ZIP:** 74133
- **BUSINESS PHONE:** (918) 236-6461

**MAIL ADDRESS:**
- **STREET 1:** 8023 E. 63RD PLACE, SUITE 101
- **CITY:** TULSA
- **STATE:** OK
- **ZIP:** 74133

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CLEARSIGN COMBUSTION CORP
- **DATE OF NAME CHANGE:** 20080507

?xml version='1.0' encoding='ASCII'?

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**FORM 8-K**

**CURRENT REPORT**

**Pursuant to Section 13 or 15(d) of the**

**Securities Exchange Act of 1934**

**Date of report (Date of earliest event reported): June 27, 2025**

**CLEARSIGN TECHNOLOGIES CORPORATION**

**(Exact name of registrant as specified in charter)**

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| | | |
|:---|:---|:---|
| **Delaware** | **001-35521** | **26-2056298** |
| **(State or other jurisdiction of <br> incorporation)** | **(Commission File Number)** | **(IRS Employer <br> Identification No.)** |

---

**8023 E. 63rd Place, Suite 101**

**Tulsa** **, Oklahoma 74133**

**(Address of Principal Executive Offices) (Zip Code)**

**(918) 236-6461**

**(Registrant's telephone number, including area code)**

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the Registrant under any of the following provisions (see General Instruction A.2 below).

◻ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

◻ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR240.14a-12)

◻ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)).

◻ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13(e)-4(c))

Securities registered pursuant to Section 12(b) of the Act:

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| | | |
|:---|:---|:---|
| **Title of each class** | **Trading Symbol(s)** | **Name of each exchange on which <br> registered** |
| **Common Stock** | **CLIR** | **The Nasdaq Stock Market LLC** |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ◻

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ◻

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| | |
|:---|:---|
| **Item 8.01** | **Other Events.** |

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***Changes in Board Committee Composition***

The board of directors (the "Board") of ClearSign Technologies Corporation (the "Company") periodically reassesses the membership of each Board committee based on the recommendation from the Nominating and Corporate Governance Committee of the Board (the "Governance Committee"). Upon recommendation from the Governance Committee, the Board approved certain changes in committee memberships, as described below, that became effective as of June 27, 2025. As a result of such changes, the current composition of the Board committees is as follows:

<u>Audit and Risk Committee<sup>(1)</sup></u>:

Judith S. Schrecker, Chairperson

Louis J. Basenese

David M. Maley

G. Todd Silva

&nbsp;&nbsp;&nbsp;&nbsp;(1) Ms. de Lacy resigned as a member of the Audit and Risk Committee of the Board (the "Audit Committee")
and Mr. Silva and Mr. Basenese were appointed to such committee. Mr. Maley will remain as a member of the Audit Committee
until the end of his term, which will be immediately following the Company's 2025 annual meeting of stockholders.

<u>Human Capital and Compensation Committee<sup>(2)</sup></u>:

Louis J. Basenese, Chairperson

David M. Maley

Catharine M. de Lacy

Judith Schrecker

&nbsp;&nbsp;&nbsp;&nbsp;(2) Mr. Basenese was named Chairperson of the Human Capital and Compensation Committee of the Board (the
"Compensation Committee"). Mr. Maley will remain as
a member of the Compensation Committee until the end of his term, which will be immediately following the Company's 2025 annual
meeting of stockholders.

<u>Nominating and Corporate Governance Committee<sup>(3)</sup></u>:

Catharine M. de Lacy, Chairperson

David M. Maley

Judith Schrecker

G. Todd Silva

&nbsp;&nbsp;&nbsp;&nbsp;(3) Mr. Silva was appointed to the Governance Committee. Mr. Maley will remain as a member of the
Governance Committee until the end of his term, which will be immediately following the Company's 2025 annual meeting of stockholders.

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| | |
|:---|:---|
| **Item 9.01** | **Financial Statements and Exhibits.** |

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**(d) Exhibits.**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) Exhibits.

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| | |
|:---|:---|
| **Exhibit No.** | **Description** |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document). |

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**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: July 11, 2025

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| | |
|:---|:---|
| **CLEARSIGN TECHNOLOGIES CORPORATION** | **CLEARSIGN TECHNOLOGIES CORPORATION** |
| By: | /s/ Colin James Deller |
| Name: | Colin James Deller |
| Title: | Chief Executive Officer |

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