{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-23-043159","form_type":"8-K","ticker":"CLIR","cik":"0001434524","company_name":"ClearSign Technologies Corp","filed_at":"2023-04-07T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.852296+00:00","generated_at":"2026-06-17T04:31:22.406812+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"ClearSign updates 2022 ops: 20-burner California project test passed, hydrogen burner tests, new market sales","bullets":["Final witness testing completed for 20-burner refinery project; data sent to air district; manufacturing due later in 2023.","Phase 1 testing of ultra-low NOx 100% hydrogen burner successful; seeking up to $1.6M Phase 2 grant.","Entered Texas Gulf Coast with first boiler burner sale to a global chemical company; installation scheduled Q3 2023.","Two boiler burner sales in California: one to medical/waste services (Q2 install), one to recycling services with California Boiler (Q3 install).","Cash & short-term investments $9.1M as of Dec 31, 2022; 38.0M shares outstanding."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-23-043159","json":"https://secwatch.observer/filing/0001104659-23-043159.json","markdown":"https://secwatch.observer/filing/0001104659-23-043159.md","text":"https://secwatch.observer/filing/0001104659-23-043159.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1434524/000110465923043159/0001104659-23-043159-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1434524/000110465923043159/tm2312141d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T04:31:22.406812+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"50667718c6535978727ff3d964a660fa202289cc","claim":"ClearSign Technologies Corp reported financial results for the full year ended December 31, 2022.","evidence_excerpt":"ClearSign Technologies Corporation Provides Full Year 2022 Update","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1434524/000110465923043159/0001104659-23-043159-index.htm","confidence":0.7,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the full year ended December 31, 2022"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}