secwatch.observer — SEC 8-K summary ====================================== Issuer: ClearSign Technologies Corp (CLIR) CIK: 0001434524 Form: 8-K Filed at: 2026-03-10T23:59:59+00:00 Accession: 0001104659-26-025867 Event type: other_material Sentiment: neutral Materiality: 0.50 Item codes: 3.03, 5.03, 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 ClearSign Technologies announces 1-for-10 reverse stock split effective March 16, 2026 -------------------------------------------------------------------------------- - Reverse stock split ratio 1-for-10, effective 12:01 a.m. ET on March 16, 2026. - Pre-split shares ~54.1M; post-split ~5.41M; authorized shares and par value unchanged. - Split intended to regain compliance with Nasdaq $1.00 minimum bid price requirement. - Fractional shares rounded up; proportionate adjustments to warrants and equity awards. - CUSIP changes to 185064201; trading symbol remains CLIR. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1434524/000110465926025867/0001104659-26-025867-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1434524/000110465926025867/tm268062d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-025867 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer