{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-088388","form_type":"8-K","ticker":"SFNC","cik":"0000090498","company_name":"SIMMONS FIRST NATIONAL CORP","filed_at":"2026-03-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.999118+00:00","generated_at":"2026-05-15T22:28:23.345579+00:00","sec_items":["5.02","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Simmons First National amends CEO Brogdon's change-in-control severance to 3x base income","bullets":["James M. Brogdon's change-in-control severance multiplier increased from 2x to 3x Base Period Income.","Amendment effective Feb 27, 2026; board approved Jan 28, 2026 after Brogdon became CEO on Jan 1, 2026.","Termination compensation paid as single sum cash payment 30 business days after later of change in control or termination."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-088388","json":"https://secwatch.observer/filing/0001193125-26-088388.json","markdown":"https://secwatch.observer/filing/0001193125-26-088388.md","text":"https://secwatch.observer/filing/0001193125-26-088388.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/90498/000119312526088388/0001193125-26-088388-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/90498/000119312526088388/d89479d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T22:28:23.345579+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"}