ClearSign Technologies Corp
For the period ended Mar 31, 2026. Filed May 15, 2026.
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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.
Mar 31, 2026 · Filed May 15, 2026
CLIR$2.39+1.4%Stored close · as of Nov 9, 2026
Extracted filing text, with the paragraph anchors used by the comparison.
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Item 6. Exhibits
| 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). |
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| 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). |
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| 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). |
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| 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). |
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| 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). |
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| 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). |
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| 31.1* | Rule 13a-14(a)/15d-14(a) Certification of Principal Executive Officer. |
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| 31.2* | Rule 13a-14(a)/15d-14(a) Certification of Principal Financial Officer. |
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| 32.1** | Section 1350 Certification of Principal Executive Officer and Principal Financial Officer. |
| 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.
The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.