{"schema_version":"secwatch.filing_event.v1","accession":"0000022356-25-000091","form_type":"8-K","ticker":"CBSH","cik":"0000022356","company_name":"COMMERCE BANCSHARES INC /MO/","filed_at":"2025-11-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:41.618761+00:00","generated_at":"2026-05-17T00:45:02.168191+00:00","sec_items":["5.02","8.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Commerce Bancshares authorizes up to 5M share buyback; appoints new director","bullets":["Board appointed Alaina G. Maciá as independent director effective Oct 31, 2025, filling vacancy from Jonathan M. Kemper's retirement.","Maciá is CEO of MTM Health, which grew revenue from $30M to nearly $2B under her leadership.","Board authorized repurchase of up to 5,000,000 shares of common stock (combined with prior authorization from April 17, 2024).","Repurchases may occur through open market or private transactions at management's discretion based on market conditions."],"urls":{"canonical":"https://secwatch.observer/filing/0000022356-25-000091","json":"https://secwatch.observer/filing/0000022356-25-000091.json","markdown":"https://secwatch.observer/filing/0000022356-25-000091.md","text":"https://secwatch.observer/filing/0000022356-25-000091.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/22356/000002235625000091/0000022356-25-000091-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/22356/000002235625000091/cbsh-20251031.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T00:45:02.168191+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}