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ClearSign Technologies Corp

For the period ended Sep 30, 2025. Filed Nov 14, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 14, 2025

CLIR$2.39+1.4%Stored close · as of Nov 9, 2026

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Item 5. Other Information

Anthony DiGiandomenico Appointment to Nominating and Corporate Governance Committee

The information included in this “Part II – Item 5. Other Information” of this Form 10-Q is provided in lieu of filing such information on a Current Report on Form 8-K under “Item 8.01. Other Events.”

On November 11, 2025, upon recommendation from the Nominating and Corporate Governance Committee of the Board (the “Governance Committee”), the Board appointed Anthony DiGiandomenico to the Governance Committee as its chairperson, effective immediately. As a result of such change, the current composition of the Board committees is as follows:

Audit and Risk Committee:

●G. Todd Silva, Chairperson
●Louis J. Basenese
●Anthony DiGiandomenico

Human Capital and Compensation Committee:

●Louis J. Basenese, Chairperson
●G. Todd Silva

Nominating and Corporate Governance Committee:

●Anthony DiGiandomenico, Chairperson
●Louis J. Basenese
●G. Todd Silva

Director or Executive Officer Rule 10b5-1(c) Trading Plans

None of the Company’sdirectors orofficers adopted, modified or terminated a Rule 10b-5 trading arrangement or a non-Rule 10b-5 trading arrangement during the fiscal quarter ended September 30, 2025, as such terms are defined under Item 408(a) of Regulation S-K.

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