{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-058885","form_type":"8-K","ticker":"STAI","cik":"0001994624","company_name":"ScanTech AI Systems Inc.","filed_at":"2025-06-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.653869+00:00","generated_at":"2026-05-19T11:33:14.420854+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"ScanTech AI Appoints Brad Buswell as Chairman; Karl Brenza Resigns","bullets":["Karl Brenza resigned as Chairman and Board member effective June 9, 2025; no disagreement cited.","Bradley Buswell appointed Chairman; has 30+ years in security industry and previously served at Leidos and DHS.","Brenza continues as consultant under existing agreement; Buswell joined Board in January 2025.","Buswell oversaw R&D at DHS and held CEO roles at Morpho Detection and Rapiscan North America."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-058885","json":"https://secwatch.observer/filing/0001104659-25-058885.json","markdown":"https://secwatch.observer/filing/0001104659-25-058885.md","text":"https://secwatch.observer/filing/0001104659-25-058885.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1994624/000110465925058885/0001104659-25-058885-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1994624/000110465925058885/tm2517642d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-19T11:33:14.420854+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":"57ec375833","claim":"Karl Brenza resigned as Chairman and member of the Board of Directors at ScanTech AI Systems Inc..","evidence_excerpt":"On June 9, 2025, Karl Brenza resigned as Chairman and as a member of the Board of Directors","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1994624/000110465925058885/0001104659-25-058885-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chairman and member of the Board of Directors"}],"fact_type":"executive_change"},{"claim_id":"f0d0058aa0","claim":"Bradley Buswell was appointed as Chairman of the Board at ScanTech AI Systems Inc..","evidence_excerpt":"On June 9, 2025, Bradley Buswell was appointed as Chairman of the Board.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1994624/000110465925058885/0001104659-25-058885-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}