---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-133796"
form_type: "8-K"
ticker: "NSC"
cik: "0000702165"
company_name: "NORFOLK SOUTHERN CORP"
filed_at: "2025-06-03T23:59:59+00:00"
generated_at: "2026-05-20T02:06:41.104543+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Norfolk Southern Board Chair Claude Mongeau resigns for personal reasons

## Summary
- Claude Mongeau resigned from the Board effective June 2, 2025, citing personal reasons.
- A new Board Chair will be elected at the next scheduled board meeting later in June 2025.
- Mongeau had served as independent director since Sept 2019 and as Chair since May 2024.
- CEO Mark R. George thanked Mongeau for his leadership during recent challenges and board integration.

## SEC filing metadata
- accession: 0001193125-25-133796
- form_type: 8-K
- ticker: NSC
- cik: 0000702165
- company_name: NORFOLK SOUTHERN CORP
- filed_at: 2025-06-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/702165/000119312525133796/0001193125-25-133796-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/702165/000119312525133796/d35291d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-133796
- JSON: https://secwatch.observer/filing/0001193125-25-133796.json
- Plain text: https://secwatch.observer/filing/0001193125-25-133796.txt

## Key facts
- Executive change
  Claude Mongeau resigned as Chair of the Board of Directors at NORFOLK SOUTHERN CORP.
  - Action: resigned
  - Role: Chair of the Board of Directors
  source text: On June 2, 2025, Claude Mongeau, Chair of the Board of Directors (the “Board”) of Norfolk Southern Corporation (the “Company”) resigned from the Board for personal reasons.
  evidence_url: https://www.sec.gov/Archives/edgar/data/702165/000119312525133796/0001193125-25-133796-index.htm

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