{"schema_version":"secwatch.filing_event.v1","accession":"0001171843-23-004408","form_type":"8-K","ticker":"SFNC","cik":"0000090498","company_name":"SIMMONS FIRST NATIONAL CORP","filed_at":"2023-07-07T23:59:59+00:00","discovered_at":"2026-05-14T18:03:36.973638+00:00","generated_at":"2026-06-13T11:26:54.578062+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Simmons First National EVP and Chief Banking Officer Matthew Reddin departs effective July 5, 2023","bullets":["Matthew Reddin's employment with Simmons First National and Simmons Bank ended July 5, 2023.","Reddin had served as Executive Vice President and Chief Banking Officer.","No replacement or interim appointment has been announced."],"urls":{"canonical":"https://secwatch.observer/filing/0001171843-23-004408","json":"https://secwatch.observer/filing/0001171843-23-004408.json","markdown":"https://secwatch.observer/filing/0001171843-23-004408.md","text":"https://secwatch.observer/filing/0001171843-23-004408.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/90498/000117184323004408/0001171843-23-004408-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/90498/000117184323004408/f8k_070723.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T11:26:54.578062+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":"504b6ff839","claim":"Matthew Reddin departed as Executive Vice President and Chief Banking Officer at SIMMONS FIRST NATIONAL CORP.","evidence_excerpt":"Effective July 5, 2023, Matthew Reddin’s employment with Simmons First National Corporation and its wholly-owned subsidiary, Simmons Bank, ended.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/90498/000117184323004408/0001171843-23-004408-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"employment ended"},{"label":"Role","value":"Executive Vice President and Chief Banking Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}