secwatch.observer — SEC 8-K summary ====================================== Issuer: ClearSign Technologies Corp (CLIR) CIK: 0001434524 Form: 8-K Filed at: 2023-05-24T23:59:59+00:00 Accession: 0001104659-23-063815 Event type: earnings Sentiment: positive Materiality: 0.70 Item codes: 2.02, 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 ClearSign Q1 revenue $900k vs zero YoY; secures multiple burner orders in California and Texas -------------------------------------------------------------------------------- - 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. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1434524/000110465923063815/0001104659-23-063815-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1434524/000110465923063815/tm2316656d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-23-063815 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer