ClearSign Technologies Corp

For the period ended Apr 9, 2026. Filed Apr 10, 2026.

About this filing

A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Apr 9, 2026 · Filed Apr 10, 2026

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CLIR$2.36+2.2%Stored close · as of Nov 6, 2026

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Contents

EX-99.2 · Presentation

Presentation

Greetings. Welcome to the ClearSign Technologies Fourth Quarter and Full Year 2025 Corporate Update Call. At this time, all participants are in a listen-only mode. A question-and-answer session will follow the formal presentation. [Operator Instructions] Please note, this conference is being recorded.

I will now turn the conference over to your host, Matthew Selinger, Investor Relations. You may begin.

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.