{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-312758","form_type":"8-K","ticker":"SFNC","cik":"0000090498","company_name":"SIMMONS FIRST NATIONAL CORP","filed_at":"2025-12-09T23:59:59+00:00","discovered_at":"2026-05-14T18:02:42.552043+00:00","generated_at":"2026-05-16T13:54:09.347902+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 modifies 2024 PSUs for George Makris, Jr. on retirement","bullets":["Board acted Dec 4, 2025 under 2024 PSU agreement authority for George Makris, Jr.'s retirement.","Unvested PSUs will vest if performance criteria met, as if employed full three-year period.","No proration of final award and no acceleration of payment.","Modification made under Simmons 2023 Stock and Incentive Plan."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-312758","json":"https://secwatch.observer/filing/0001193125-25-312758.json","markdown":"https://secwatch.observer/filing/0001193125-25-312758.md","text":"https://secwatch.observer/filing/0001193125-25-312758.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/90498/000119312525312758/0001193125-25-312758-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/90498/000119312525312758/d75510d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T13:54:09.347902+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"}