ClearSign Technologies Corp (CLIR) Form 8-K Material Events
ClearSign Technologies Corp (CLIR) is a publicly traded company on the Nasdaq, categorized under SIC 3823 (Industrial Instruments For Measurement, Display, and Control). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: CLIR
CIK: 1434524
Exchange: Nasdaq
SIC 3823: Industrial Instruments For Measurement, Display, and Control
Fiscal Year End: 12/31
State: DE
Independent PCAOB Auditor
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Audit Firm
BPM LLP
Auditor SinceSince 12/31/2021 12:00:00 AM
Lead Engagement PartnerDavid Aiello
Audit LocationSan Jose, California, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 4 | 2026-10-02 | 2026-09-30 | OWNERSHIP DOCUMENT | 0001104659-26-113417 | View SEC Doc Filr Page |
| 4 | 2026-10-02 | 2026-09-30 | OWNERSHIP DOCUMENT | 0001104659-26-113415 | View SEC Doc Filr Page |
| 4 | 2026-10-02 | 2026-09-30 | OWNERSHIP DOCUMENT | 0001104659-26-113413 | View SEC Doc Filr Page |
| 4 | 2026-10-02 | 2026-09-30 | OWNERSHIP DOCUMENT | 0001104659-26-113412 | View SEC Doc Filr Page |
| 8-K | 2026-09-14 | 2026-09-14 | FORM 8-K | 0001104659-26-107294 | View SEC Doc Filr Page |
| 8-K | 2026-08-20 | 2026-08-19 | FORM 8-K | 0001104659-26-099235 | View SEC Doc Filr Page |
| 10-Q | 2026-08-14 | 2026-06-30 | 10-Q | 0001104659-26-096539 | View SEC Doc Filr Page |
| 3 | 2026-08-11 | 2026-08-06 | OWNERSHIP DOCUMENT | 0001104659-26-094205 | View SEC Doc Filr Page |
| 8-K | 2026-08-11 | 2026-08-06 | FORM 8-K | 0001104659-26-093758 | View SEC Doc Filr Page |
| D | 2026-07-31 | — | D Filing | 0001104659-26-089253 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-07-24 | — | SCHEDULE 13G/A Filing | 0001227099-26-000006 | View SEC Doc Filr Page |
| 4 | 2026-07-24 | 2026-07-22 | PRIMARY DOCUMENT | 0001227099-26-000005 | View SEC Doc Filr Page |
| 8-K | 2026-07-23 | 2026-07-21 | FORM 8-K | 0001104659-26-086099 | View SEC Doc Filr Page |
| S-8 | 2026-07-06 | — | FORM S-8 | 0001104659-26-080759 | View SEC Doc Filr Page |
| 8-K | 2026-07-06 | 2026-07-06 | FORM 8-K | 0001104659-26-080744 | View SEC Doc Filr Page |
| 424B5 | 2026-07-06 | — | 424B5 | 0001104659-26-080740 | View SEC Doc Filr Page |
| 4 | 2026-07-02 | 2026-06-30 | OWNERSHIP DOCUMENT | 0001104659-26-080470 | View SEC Doc Filr Page |
| 4 | 2026-07-02 | 2026-06-30 | OWNERSHIP DOCUMENT | 0001104659-26-080468 | View SEC Doc Filr Page |
| 4 | 2026-07-02 | 2026-06-30 | OWNERSHIP DOCUMENT | 0001104659-26-080466 | View SEC Doc Filr Page |
| 8-K | 2026-06-18 | 2026-06-18 | FORM 8-K | 0001104659-26-075734 | View SEC Doc Filr Page |
| 8-K | 2026-06-09 | 2026-06-08 | FORM 8-K | 0001104659-26-071865 | View SEC Doc Filr Page |
| 8-K | 2026-06-01 | 2026-05-28 | FORM 8-K | 0001104659-26-068614 | View SEC Doc Filr Page |
| 424B5 | 2026-06-01 | — | 424B5 | 0001104659-26-068611 | View SEC Doc Filr Page |
| 424B5 | 2026-05-28 | — | 424B5 | 0001104659-26-067545 | View SEC Doc Filr Page |
| 8-K | 2026-05-28 | 2026-05-26 | FORM 8-K | 0001104659-26-067517 | View SEC Doc Filr Page |