{"schema_version":"secwatch.filing_event.v1","accession":"0001108248-24-000001","form_type":"8-K","ticker":"KNOS","cik":"0001108248","company_name":"KRONOS ADVANCED TECHNOLOGIES INC","filed_at":"2024-03-05T23:59:59+00:00","discovered_at":"2026-05-14T18:03:23.383128+00:00","generated_at":"2026-06-05T03:22:28.127669+00:00","sec_items":["5.02","8.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"CEO Michael Rubinov resigns; Greg Rubin appointed Chairman and Interim CEO","bullets":["Michael Rubinov resigned as CEO and Director effective Dec 31, 2023; not due to any disagreement with the Company.","Board appointed Greg Rubin as Chairman of the Board and Interim CEO effective immediately.","Greg Rubin has 35+ years of business experience and is CEO of KronosMD Inc., a medical device subsidiary.","KronosMD is developing AI-powered 3D ultrasound imaging technology for medical and dental use.","New management plans to enhance operational efficiency and explore emerging market opportunities."],"urls":{"canonical":"https://secwatch.observer/filing/0001108248-24-000001","json":"https://secwatch.observer/filing/0001108248-24-000001.json","markdown":"https://secwatch.observer/filing/0001108248-24-000001.md","text":"https://secwatch.observer/filing/0001108248-24-000001.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1108248/000110824824000001/0001108248-24-000001-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1108248/000110824824000001/knos-20240304a.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-05T03:22:28.127669+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":"37bc5bc33c","claim":"Michael Rubinov resigned as CEO and Director at KRONOS ADVANCED TECHNOLOGIES INC.","evidence_excerpt":"On December 31, 2023, Michael Rubinov resigned from his positions as CEO and Director of Kronos Advanced Technologies Inc (the \"Company\").","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1108248/000110824824000001/0001108248-24-000001-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"CEO and Director"}],"fact_type":"executive_change"},{"claim_id":"8ce2872a15","claim":"Greg Rubin was appointed as Chairman of the Board and Interim CEO at KRONOS ADVANCED TECHNOLOGIES INC.","evidence_excerpt":"Concurrently, the Board of Directors of the Company appointed Greg Rubin as the Chairman of the Board and Interim CEO, effective immediately upon Mr. Rubinov's resignation.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1108248/000110824824000001/0001108248-24-000001-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chairman of the Board and Interim CEO"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}