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AI brief of an SEC Form 8-K · Core & Main (CNM)

Core & Main names Mark Witkowski CEO effective March 31; LeClair becomes executive chair

Neutral Impact 4 of 5 leadership Written later

Core & Main said CEO Steve LeClair will retire as chief executive effective March 31, 2025, and become executive chair while remaining chair of the board. CFO Mark Witkowski will become CEO and join the board, and Robyn Bradbury, senior vice president of finance and investor relations, will become CFO. The filing does not report any financial results or guidance, so the change is best read as a leadership succession with new pay terms for the incoming executives.

Key points

  • Steve LeClair steps down as CEO effective March 31, 2025, and becomes executive chair; he continues as board chair.
  • Mark Witkowski, CFO since February 2016, becomes CEO with an annual salary of $825,000 and a bonus of up to 125% of salary.
  • Robyn Bradbury becomes CFO with an annual salary of $500,000 and a bonus of up to 75% of salary.
  • The board expands from nine to ten directors, and Witkowski joins as a Class I director without committee seats.

The filing

CompanyCore & Main (CNM)
Form8-K, current report
Filed with the SECMar 25, 2025, 4:32 PM ET
Accession number0001856525-25-000082

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:17 AM ET, from the text of the filing and its press-release exhibits 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 March 25, 2025.

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