| Symbol | CLIR |
|---|---|
| Name | CLEARSIGN TECHNOLOGIES CORP |
| Sector | UNDEFINED |
| Region | UNDEFINED |
| Industry | Industrial Instruments For Measurement, Display, and Control |
| Address | 8023 E. 63RD PLACE, SUITE 101, TULSA, OK 74133 |
| Telephone | (918) 500-7312 |
| Fax | — |
| — | |
| Website | — |
| Incorporation | UNDEFINED |
| Incorporated On | — |
| Employees | — |
| Fiscal Year | — |
| Public Since | — |
| Exchanges | NASDAQ |
| Auditor | — |
| Audit Status | NOT PROVIDED |
| Reporting Status | — |
| CIK | 0001434524 |
| Description | None |
New Form D - ClearSign Technologies Corp <b>Filed:</b> 2026-07-31 <b>AccNo:</b> 0001104659-26-089253 <b>Size:</b> 9 KB
Read morePASQUESI JOHN M 🟢 acquired 500.0K shares of ClearSign Technologies Corp (CLIR) at $3.54 ($1.8M) Transaction Date: Jul 22, 2026 | Filing ID: 000005
Read more(99% Neutral) CLEARSIGN TECHNOLOGIES CORP (CLIR) Announces Business Combination
Read moreNew Form S-8 - ClearSign Technologies Corp <b>Filed:</b> 2026-07-06 <b>AccNo:</b> 0001104659-26-080759 <b>Size:</b> 199 KB
Read moreNew Form 424B5 - ClearSign Technologies Corp <b>Filed:</b> 2026-07-06 <b>AccNo:</b> 0001104659-26-080740 <b>Size:</b> 361 KB
Read moreDirector Basenese Lou 🟢 acquired 4.6K shares (1 derivative) of ClearSign Technologies Corp (CLIR) at $3.67 Transaction Date: Jun 30, 2026 | Filing ID: 080470
Read moreDirector Silva Gil Todd 🟢 acquired 8.7K shares (2 derivative) of ClearSign Technologies Corp (CLIR) at $3.67 Transaction Date: Jun 30, 2026 | Filing ID: 080468
Read moreDirector DIGIANDOMENICO ANTHONY 🟢 acquired 4.6K shares (1 derivative) of ClearSign Technologies Corp (CLIR) at $3.67 Transaction Date: Jun 30, 2026 | Filing ID: 080466
Read more(99% Neutral) CLEARSIGN TECHNOLOGIES CORP (CLIR) Announces Regulatory Update
Read more