---
schema_version: "secwatch.filing_event.v1"
accession: "0000036966-24-000007"
form_type: "8-K"
ticker: "FHN"
cik: "0000036966"
company_name: "FIRST HORIZON CORP"
filed_at: "2024-01-23T23:59:59+00:00"
generated_at: "2026-06-06T20:15:53.337933+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# First Horizon elects John W. Dietrich to board; two directors to retire; board size changed

## Summary
- John W. Dietrich (EVP & CFO of FedEx) elected to FHN board effective Jan 22, 2024; will stand for election at 2024 annual meeting.
- Directors John N. Casbon and William H. Fenstermaker to retire at the 2024 annual meeting scheduled for April 23, 2024.
- Bylaw amended to set board size at 15 members until annual meeting, then 13 members.
- Dietrich appointed to Compensation and Nominating & Corporate Governance committees.

## SEC filing metadata
- accession: 0000036966-24-000007
- form_type: 8-K
- ticker: FHN
- cik: 0000036966
- company_name: FIRST HORIZON CORP
- filed_at: 2024-01-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/36966/000003696624000007/0000036966-24-000007-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/36966/000003696624000007/fhn-20240122.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000036966-24-000007
- JSON: https://secwatch.observer/filing/0000036966-24-000007.json
- Plain text: https://secwatch.observer/filing/0000036966-24-000007.txt

## Key facts
- Executive change
  John N. Casbon departed as Director at FIRST HORIZON CORP.
  - Action: will retire
  - Role: Director
  source text: John N. Casbon, age 75, and William H. Fenstermaker, age 75, will retire from the Board effective when directors are elected at the 2024 annual meeting of shareholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/36966/000003696624000007/0000036966-24-000007-index.htm
- Executive change
  John W. Dietrich was elected as Director at FIRST HORIZON CORP.
  - Action: elected
  - Role: Director
  source text: elected John W. Dietrich to the Board, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/36966/000003696624000007/0000036966-24-000007-index.htm
- Executive change
  William H. Fenstermaker departed as Director at FIRST HORIZON CORP.
  - Action: will retire
  - Role: Director
  source text: John N. Casbon, age 75, and William H. Fenstermaker, age 75, will retire from the Board effective when directors are elected at the 2024 annual meeting of shareholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/36966/000003696624000007/0000036966-24-000007-index.htm
- Governance Changes
  FIRST HORIZON CORP: Amended Section 3.2 to increase Board size from 14 to 15 members until 2024 annual meeting, then reduce to 13 members (effective 2024-01-22).
  - Change: bylaw amendment
  - Effective: 2024-01-22
  source text: the Board of Directors unanimously approved amendments to Section 3.2 of the Bylaws of First Horizon Corporation, effective immediately. As amended, that Section provides that the Board of Directors consists of fifteen members (increased from fourteen) until directors are elected at the 2024 annual meeting of shareholders; after that election, the Board of Directors will consist of thirteen members.
  evidence_url: https://www.sec.gov/Archives/edgar/data/36966/000003696624000007/0000036966-24-000007-index.htm

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