Item 5. Other Information
ITEM 5. OTHER INFORMATION
None of the Company’s directors or officers adopted , modified or terminated a Rule 10b-5 trading arrangement or a non-Rule 10b-5 trading arrangement during the fiscal quarter ended June 30, 2026, as such terms are defined under Item 408(a) of Regulation S-K.
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Item 6.
Exhibit
EXHIBITS
Number
Document
3.1
Certificate of Incorporation of ClearSign Technologies Corporation, a Delaware corporation (incorporated by reference to Exhibit 3.3 of the Company’s Form 8-K filed with the Securities and Exchange Commission on June 15, 2023).
3.2
Certificate of Amendment, as filed with the Secretary of the State of Delaware on June 25, 2024 (incorporated by reference to Exhibit 3.1 of the Company’s Form 8-K filed with the Securities and Exchange Commission on June 26, 2024).
3.3
Certificate of Amendment to Certificate of Incorporation, as amended, of ClearSign Technologies Corporation, filed with the Secretary of State of the State of Delaware on March 6, 2026 (incorporated by reference to Exhibit 3.1 of the Company’s Form 8-K filed with the Securities and Exchange Commission on March 10, 2026).
3.4
Amended and Restated Bylaws of ClearSign Technologies Corporation, a Delaware corporation (incorporated by reference to Exhibit 3.1 of the Company’s Form 8-K filed with the Securities and Exchange Commission on November 17, 2025).
4.1
Form of Common Warrant (incorporated by reference to Exhibit 4.1 of the Company’s Form 8-K filed with the Securities and Exchange Commission on April 19, 2024) .
4.2
Form of Underwriter’s Warrant (incorporated by reference to Exhibit 4.2 of the Company’s Form 8-K filed with the Securities and Exchange Commission on April 19, 2024).
4.3
Form of Private Warrant (incorporated by reference to Exhibit 4.3 of the Company’s Form 8-K filed with the Securities and Exchange Commission on April 19, 2024).
4.4
Form of Pre-Funded Warrant (incorporated by reference to Exhibit 4.1 of the Company’s Form 8-K filed with the Securities and Exchange Commission on April 23, 2024).
4.5
Form of Placement Agent Warrant (incorporated by reference to Exhibit 4.4 of the Company’s Form 8-K filed with the Securities and Exchange Commission on April 19, 2024).
10.1
Underwriting Agreement, dated as of May 28, 2026, by and between the Company and Newbridge Securities Corporation (incorporated by reference to Exhibit 1.1 of the Company’s Form 8-K filed with the Securities and Exchange Commission on June 1, 2026)
10.2+
Amended and Restated ClearSign Technologies Corporation 2021 Equity Incentive Plan (incorporated by reference to Annex A of the Company’s definitive proxy statement on Schedule 14A filed with the Securities and Exchange Commission on April 28, 2026).
31.1*
Rule 13a-14(a)/15d-14(a) Certification of Principal Executive Officer .
31.2*
Rule 13a-14(a)/15d-14(a) Certification of Principal Financial Officer .
32.1**
Section 1350 Certification of Principal Executive Officer and Principal Financial Officer .
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101.INS*
Inline XBRL Instance Document.
101.SCH*
Inline XBRL Taxonomy Extension Schema Document.
101.CAL*
Inline XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF*
Inline XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB*
Inline XBRL Taxonomy Extension Label Linkbase Document.
101.PRE*
Inline XBRL Taxonomy Extension Presentation Linkbase Document.
104*
Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101).
*Filed herewith.
**Furnished herewith.
+ Management contracts and compensatory plans and arrangements.
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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
CLEARSIGN TECHNOLOGIES CORPORATION
Date: August 14, 2026
By:
/s/ Colin James Deller
Colin James Deller
Chief Executive Officer
(Principal Executive Officer)
Date: August 14, 2026
By:
/s/ Brent Hinds
Brent Hinds
Chief Financial Officer
(Principal Financial and Accounting Officer)
29
Text extracted from the filing as submitted to EDGAR. Formatting, tables and exhibits are simplified for reading; the original document is authoritative for anything you rely on.