secwatch.observer — SEC 8-K summary ====================================== Issuer: ClearSign Technologies Corp (CLIR) CIK: 0001434524 Form: 8-K Filed at: 2024-04-25T23:59:59+00:00 Accession: 0001104659-24-052066 Event type: other_material Sentiment: positive Materiality: 0.65 Item codes: 2.02, 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 ClearSign reports record 2023 revenue of $2.4M, up 542% YoY; raises $9.3M ------------------------------------------------------------------------- - 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. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1434524/000110465924052066/0001104659-24-052066-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1434524/000110465924052066/tm2412742d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-24-052066 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer