Core & Main, Inc. (CNM)
NYSE: CNM · Wholesale-Durable Goods, NEC · St. Louis, MO · filing with the SEC since 2021
Grade6.5
◀ Past 8.4● Present 6.2▶ Future 5.3
Who runs Core & Main, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Witkowski Mark R
Chief Executive Officer. First filing Jul 2021, latest Oct 20, 2026, 8 filings in all.
Officers reporting now
10
of 19 people with a filing in the last fifteen months
Directors reporting now
9
25 people on the record since 2021
Officerssales are open-market, Oct 20, 2025 to Oct 20, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Witkowski Mark R | Chief Executive Officer | Jul 2021 | Oct 20, 2026 | none |
| Harper Carla D | Senior VP, Human Resources | Sep 2025 | Aug 5, 2026 | none |
| Huebert Michael G. | President | Jul 2024 | Jul 23, 2026 | none |
| Bradbury Robyn L | Chief Financial Officer | Mar 2025 | Apr 21, 2026 | 2 · $300,000 |
| Burkhardt Jackie M | General Counsel and CCO | Apr 2026 | Apr 2, 2026 | none |
| Cowles Bradford A | President | Jul 2021 | Mar 13, 2026 | none |
| Stephens John Weldon | Chief Accounting Officer | Jul 2021 | Mar 13, 2026 | none |
| Giles Jeffrey D | EVP, Corporate Development | Jul 2021 | Mar 13, 2026 | none |
| Whittenburg Mark G | General Counsel and Secretary | Jul 2021 | Mar 13, 2026 | none |
| Leclair Stephen O | Executive Chair | Jul 2021 | Mar 11, 2026 | none |
Directorssales are open-market, Oct 20, 2025 to Oct 20, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Hope James D | director | May 2024 | Jul 8, 2026 | none |
| Amirthalingam Bhavani | director | Apr 2022 | Jun 24, 2026 | none |
| Buck Robert M | director | Sep 2022 | Jun 24, 2026 | none |
| Castellano James G | director | Jul 2021 | Jun 24, 2026 | none |
| Gipson Dennis G | director | Jul 2021 | Jun 24, 2026 | none |
| Hardwick M Susan | director | Apr 2026 | Jun 24, 2026 | none |
| Kimbrough Orvin T | director | Jul 2021 | Jun 24, 2026 | none |
| Mazzarella Kathleen M | director | Jul 2021 | Jun 24, 2026 | none |
| Newman Margaret | director | Jul 2021 | Jun 24, 2026 | none |
Earlier names on the record14, newest filing first
Schneider Laura K · officer · last filing Jun 2025Schaller John R · officer · last filing May 2025Cd&r Fund X Advisor Waterworks B, L.P. · 10% owner · last filing Jan 2024Cd&r Fund X Waterworks B1, L.P. · 10% owner · last filing Jan 2024Cd&r Fund X-A Waterworks B, L.P. · 10% owner · last filing Jan 2024Cd&r Investment Associates X, Ltd. · 10% owner · last filing Jan 2024Cd&r Waterworks Holdings Gp, Ltd. · 10% owner · last filing Jan 2024Cd&r Waterworks Holdings, L.P. · 10% owner · last filing Jan 2024Cd&r Waterworks Holdings, LLC · 10% owner · last filing Jan 2024Sleeper Nathan K · director · last filing Jan 2024Core & Main Management Feeder, LLC · 10% owner · last filing Jan 2022Berges James G · director · last filing Jul 2021Rorick Ian A · director · last filing Jul 2021Zrebiec Jonathan L · director · last filing Jul 2021
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.