{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-052066","form_type":"8-K","ticker":"CLIR","cik":"0001434524","company_name":"ClearSign Technologies Corp","filed_at":"2024-04-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:18.401469+00:00","generated_at":"2026-06-03T07:48:39.535199+00:00","sec_items":["2.02","7.01","8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"ClearSign reports record 2023 revenue of $2.4M, up 542% YoY; raises $9.3M","bullets":["Full year 2023 revenue $2.4M vs $374K in 2022; Q4 2023 revenue $1.2M vs $50K in Q4 2022.","Raised ~$9.3M gross from underwritten public offering and private placement, closed April 23, 2024.","Received California SCAQMD BACT emissions limits based on its process burner performance.","First multi-boiler burner purchase order from California Boiler for four boilers with ClearSign Core burners.","Cash and equivalents $5.6M as of Dec 31, 2023; 38.7M shares outstanding."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-052066","json":"https://secwatch.observer/filing/0001104659-24-052066.json","markdown":"https://secwatch.observer/filing/0001104659-24-052066.md","text":"https://secwatch.observer/filing/0001104659-24-052066.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1434524/000110465924052066/0001104659-24-052066-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1434524/000110465924052066/tm2412742d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-03T07:48:39.535199+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":"22930dc220f03ebf0a3ffc2e88d890e50f30e5ee","claim":"ClearSign Technologies Corp reported year ended December 31, 2023 results: revenue $2.4 million.","evidence_excerpt":"The Company reported $2.4 million revenue for the full year 2023 compared to $374 thousand for the comparable period in 2022.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1434524/000110465924052066/0001104659-24-052066-index.htm","confidence":0.95,"family_label":"Earnings Releases","details":[{"label":"Period","value":"year ended December 31, 2023"},{"label":"Revenue","value":"$2.4 million"},{"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"}