---
schema_version: "secwatch.filing_event.v1"
accession: "0001856525-26-000034"
form_type: "8-K"
ticker: "CNM"
cik: "0001856525"
company_name: "Core & Main, Inc."
filed_at: "2026-03-27T23:59:59+00:00"
generated_at: "2026-05-15T08:41:37.032946+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Core & Main appoints M. Susan Hardwick as director; Executive Chair Stephen LeClair retires

## Summary
- M. Susan Hardwick appointed to Board and Talent & Compensation Committee, effective April 1, 2026.
- Hardwick is former CEO (2022-2025) and CFO (2019-2022) of American Water Works (AWK).
- Stephen LeClair retired as Executive Chair and Board Chair; James Castellano appointed Board Chair.
- James Hope named Chair of Audit Committee; Robert Buck joins Audit Committee.
- Hardwick receives pro-rata standard director compensation ($225K annual, plus $10K for committee).

## SEC filing metadata
- accession: 0001856525-26-000034
- form_type: 8-K
- ticker: CNM
- cik: 0001856525
- company_name: Core & Main, Inc.
- filed_at: 2026-03-27T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1856525/000185652526000034/0001856525-26-000034-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1856525/000185652526000034/cnm-20260325.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001856525-26-000034
- JSON: https://secwatch.observer/filing/0001856525-26-000034.json
- Plain text: https://secwatch.observer/filing/0001856525-26-000034.txt

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