{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-23-118741","form_type":"8-K","ticker":"CLIR","cik":"0001434524","company_name":"ClearSign Technologies Corp","filed_at":"2023-11-15T23:59:59+00:00","discovered_at":"2026-05-14T18:03:29.067410+00:00","generated_at":"2026-06-08T02:15:18.329357+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"ClearSign Q3 revenue $85k; first commercial boiler burner startup; hydrogen grants","bullets":["Revenue approx $85k in Q3 2023 vs zero year-ago; cash & short-term investments $7.2M as of Sep 30.","First commercial boiler burner installation started up; launched Rogue NZN/S5/S9 boiler burner line.","Hired Matthew Martin as CTO; focus on expanding ClearSign Core technology into new markets.","Completed Phase 1 testing of 100% hydrogen burner; awarded Phase 2 SBIR grant of $1.65M from DOE.","SoCalGas collaboration with additional $500k funding for hydrogen burner project; advancing commercialization."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-23-118741","json":"https://secwatch.observer/filing/0001104659-23-118741.json","markdown":"https://secwatch.observer/filing/0001104659-23-118741.md","text":"https://secwatch.observer/filing/0001104659-23-118741.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1434524/000110465923118741/0001104659-23-118741-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1434524/000110465923118741/tm2330860d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-08T02:15:18.329357+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":"e5508bea2a18882d20fb729ff48c7e9680be536d","claim":"ClearSign Technologies Corp reported the third quarter ended September 30, 2023 results: revenue approximately $85 thousand.","evidence_excerpt":"The Company recognized approximately $85 thousand in revenue during the three months ended September 30, 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/1434524/000110465923118741/0001104659-23-118741-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the third quarter ended September 30, 2023"},{"label":"Revenue","value":"approximately $85 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"}