---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-245591"
form_type: "8-K"
ticker: "NUE"
cik: "0000073309"
company_name: "NUCOR CORP"
filed_at: "2022-09-15T23:59:59+00:00"
generated_at: "2026-06-23T09:33:31.073922+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Nucor appoints CEO Leon Topalian as Chair of Board; Christopher Kearney named Lead Director

## Summary
- President and CEO Leon J. Topalian assumes additional role of Chair of the Board, effective September 15, 2022.
- Board member Christopher J. Kearney appointed Lead Independent Director; chosen unanimously by independent directors.
- Former Non-Executive Chairman John H. Walker continues as a Board member.

## SEC filing metadata
- accession: 0001193125-22-245591
- form_type: 8-K
- ticker: NUE
- cik: 0000073309
- company_name: NUCOR CORP
- filed_at: 2022-09-15T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/73309/000119312522245591/0001193125-22-245591-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/73309/000119312522245591/d358217d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-245591
- JSON: https://secwatch.observer/filing/0001193125-22-245591.json
- Plain text: https://secwatch.observer/filing/0001193125-22-245591.txt

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