---
schema_version: "secwatch.filing_event.v1"
accession: "0000705432-25-000053"
form_type: "8-K"
ticker: "SBSI"
cik: "0000705432"
company_name: "SOUTHSIDE BANCSHARES INC"
filed_at: "2025-03-24T23:59:59+00:00"
generated_at: "2026-05-24T07:10:47.380500+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Southside Bancshares announces mandatory retirement of three directors effective May 14, 2025

## Summary
- Tony K. Morgan, John F. Sammons, Jr., and Donald W. Thedford retiring from Board at 2025 Annual Meeting under age policy.
- Morgan and Sammons served since 2017; Thedford served since 2009. Departures not due to disagreements.
- They will also retire from the Board of Southside Bank subsidiary effective the same date.

## SEC filing metadata
- accession: 0000705432-25-000053
- form_type: 8-K
- ticker: SBSI
- cik: 0000705432
- company_name: SOUTHSIDE BANCSHARES INC
- filed_at: 2025-03-24T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/705432/000070543225000053/0000705432-25-000053-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/705432/000070543225000053/sbsi-20250320.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000705432-25-000053
- JSON: https://secwatch.observer/filing/0000705432-25-000053.json
- Plain text: https://secwatch.observer/filing/0000705432-25-000053.txt

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