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AI brief of an SEC Form 8-K · Southside Bancshares (SBSI)

Southside Bancshares CEO Lee Gibson to retire; Keith Donahoe named successor

Neutral Impact 4 of 5 leadership Written later

Southside Bancshares said CEO Lee R. Gibson will retire effective December 31, 2025, and will stay on the Board as a director. The Board approved Keith Donahoe, the company's current President, to succeed him as CEO and President of the company and Southside Bank on the same date.

Key points

  • Lee R. Gibson retires as CEO effective December 31, 2025, and remains a Board member.
  • Keith Donahoe, 55, currently President, approved to become CEO and President on Gibson's retirement date.
  • Donahoe has over 30 years in banking, including 26 years at Frost Bank, and has been Southside President since May 2024.
  • Gibson will receive director compensation consistent with other non-employee directors after retiring.

The filing

CompanySouthside Bancshares (SBSI)
Form8-K, current report
Filed with the SECSep 18, 2025, 4:55 PM ET
Accession number0000705432-25-000197

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 6:59 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on September 18, 2025.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.