{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-23-063815","form_type":"8-K","ticker":"CLIR","cik":"0001434524","company_name":"ClearSign Technologies Corp","filed_at":"2023-05-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.852707+00:00","generated_at":"2026-06-14T15:51:00.591053+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"ClearSign Q1 revenue $900k vs zero YoY; secures multiple burner orders in California and Texas","bullets":["Q1 2023 revenue ~$900k, compared to zero in Q1 2022; cash $8.5M as of March 31, 2023.","Received engineering order and follow-on order for 13 burners for two heaters from a California refinery.","Completed Phase 1 testing of ultra-low NOx hydrogen burner; submitted Phase 2 grant proposal for up to $1.6M.","Entered Texas Gulf Coast market with burner sale to global chemical company; installation scheduled Q3 2023.","Announced first two boiler burner sales into California market in medical waste and recycling services verticals."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-23-063815","json":"https://secwatch.observer/filing/0001104659-23-063815.json","markdown":"https://secwatch.observer/filing/0001104659-23-063815.md","text":"https://secwatch.observer/filing/0001104659-23-063815.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1434524/000110465923063815/0001104659-23-063815-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1434524/000110465923063815/tm2316656d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-14T15:51:00.591053+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":"68770be802bedab46bbe6c2885c03f95835a04a0","claim":"ClearSign Technologies Corp reported the first quarter ended March 31, 2023 results: revenue $900 thousand.","evidence_excerpt":"The Company recognized approximately $900 thousand in revenue during the three months ended March 31, 2023, as compared to zero revenue for the same period of 2022.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1434524/000110465923063815/0001104659-23-063815-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the first quarter ended March 31, 2023"},{"label":"Revenue","value":"$900 thousand"},{"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"}