---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-172179"
form_type: "8-K"
ticker: "SFNC"
cik: "0000090498"
company_name: "SIMMONS FIRST NATIONAL CORP"
filed_at: "2025-08-04T23:59:59+00:00"
generated_at: "2026-05-17T21:42:12.181261+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Simmons First National CEO George Makris Jr. to retire Dec 31; Jay Brogdon named successor effective Jan 1, 2026

## Summary
- CEO George Makris Jr. (69) will retire as Chairman and CEO of Simmons First National and Simmons Bank effective Dec 31, 2025.
- President Jay Brogdon (44) will become CEO and join the board effective Jan 1, 2026; previously CFO and President since Dec 2023.
- Current director Marty Casteel will become Chairman of both entities effective Jan 1, 2026.
- Makris oversaw geographic transformation and growth during his decade-plus tenure; Board cited deliberate succession planning.

## SEC filing metadata
- accession: 0001193125-25-172179
- form_type: 8-K
- ticker: SFNC
- cik: 0000090498
- company_name: SIMMONS FIRST NATIONAL CORP
- filed_at: 2025-08-04T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/90498/000119312525172179/0001193125-25-172179-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/90498/000119312525172179/d934626d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-172179
- JSON: https://secwatch.observer/filing/0001193125-25-172179.json
- Plain text: https://secwatch.observer/filing/0001193125-25-172179.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.