Core & Main, Inc.
CNM- Exchange
- NYSE
- Industry
- Wholesale-Durable Goods, NEC
- SEC CIK
- 0001856525
In the last 90 days, Core & Main, Inc. insiders filed 1 open-market purchase and 0 sales; 454 institutions reported holding it in 13F filings for Q2 2026, worth $9.66B in total; Soros Fund Management is the only superinvestor holding it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Core & Main, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 1 filing
- 1 insider, $95.1K in total
- Open-market sells
- 0 filings
- Insiders trading
- 1
- Net value
- +$95.1K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Core & Main, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Harper Carla D | Senior VP, Human Resources | 13,064 | Aug 5, 2026 | 4 |
| Huebert Michael G. | President | 24,036 | Jul 23, 2026 | 3 |
| Hope James D | Director | 11,805 | Jul 8, 2026 | 3 |
| Mazzarella Kathleen M | Director | 16,757 | Jun 24, 2026 | 1 |
| Newman Margaret | Director | 16,757 | Jun 24, 2026 | 1 |
| Hardwick M Susan | Director | 3,379 | Jun 24, 2026 | 2 |
| Buck Robert M | Director | 15,849 | Jun 24, 2026 | 1 |
| Amirthalingam Bhavani | Director | 17,955 | Jun 24, 2026 | 1 |
| Gipson Dennis G | Director | 16,757 | Jun 24, 2026 | 1 |
| Castellano James G | Director | 7,437 | Jun 24, 2026 | 1 |
| Kimbrough Orvin T | Director | 16,757 | Jun 24, 2026 | 1 |
| Bradbury Robyn L | Chief Financial Officer | 12,500 | Apr 21, 2026 | 3 |
| Cowles Bradford A | President | 25,491 | Mar 13, 2026 | 2 |
| Giles Jeffrey D | EVP, Corporate Development | 9,681 | Mar 13, 2026 | 2 |
| Whittenburg Mark G | General Counsel and Secretary | 8,525 | Mar 13, 2026 | 3 |
| Witkowski Mark R | Chief Executive Officer | 51,119 | Mar 13, 2026 | 2 |
| Stephens John Weldon | Chief Accounting Officer | 17,374 | Mar 13, 2026 | 2 |
| LeClair Stephen O | Executive Chair | 66,136 | Mar 11, 2026 | 1 |
| Schneider Laura K | Chief Human Resources Officer | 12,873 | Jun 5, 2025 | 0 |
| Schaller John R | Executive Vice President | 19,689 | May 30, 2025 | 0 |
| CD&R Investment Associates X, Ltd. | 10% Owner | 0Indirect | Jan 25, 2024 | 0 |
| CD&R Waterworks Holdings, L.P. | 10% Owner | 0Indirect | Jan 25, 2024 | 0 |
| CD&R Waterworks Holdings GP, Ltd. | 10% Owner | 0Indirect | Jan 25, 2024 | 0 |
| CD&R Fund X-A Waterworks B, L.P. | 10% Owner | 0Indirect | Jan 25, 2024 | 0 |
| CD&R Fund X Waterworks B1, L.P. | 10% Owner | 0Indirect | Jan 25, 2024 | 0 |
| CD&R Fund X Advisor Waterworks B, L.P. | 10% Owner | 0Indirect | Jan 25, 2024 | 0 |
| CD&R Waterworks Holdings, LLC | 10% Owner | 0Indirect | Jan 25, 2024 | 0 |
| Sleeper Nathan K | Director | 0 | Jan 11, 2024 | 0 |
| Core & Main Management Feeder, LLC | 10% Owner | 0Indirect | Jan 12, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 21, 2025 (view filing) | Jul 18 | 3 days | Kimbrough Orvin TDirector | SSaleClass A Common Stock | −24.0K | $61.77 | −$1.48M | −63.2%14.0K after | 10b5-1 |
| Jul 21, 2025 (view filing) | Jul 18 | 3 days | Castellano James GDirector | SSaleClass A Common Stock | −44.0K | $61.98 | −$2.73M | −100.0%0 after | 10b5-1 |
| Jul 23, 2025 (view filing) | Jul 22 | 1 day | Bradbury Robyn LChief Financial Officer | SSaleClass A Common Stock | −5.00K | $64.51 | −$322.6K | −36.9%8.55K after | 10b5-1 |
| Aug 20, 2025 (view filing) | Aug 18 | 2 days | Witkowski Mark RChief Executive Officer | SSaleClass A Common Stock | −100.0K | $64.08 | −$6.41M | −73.6%35.8K after | 10b5-1 |
| Apr 9, 2026 (view filing) | Apr 7 | 2 days | Hope James DDirector | PPurchaseClass A Common Stock | +1.97K | $50.70 | +$100.0K | +39.7%6.94K after | |
| Apr 21, 2026 (view filing) | Apr 17 | 4 days | Bradbury Robyn LChief Financial Officer | SSaleClass A Common Stock | −5.00K | $52.54 | −$262.7K | −28.6%12.5K after | 2 lots10b5-1 |
| Jul 8, 2026 (view filing)5:36 PM ET | Jul 6 | 2 days | Hope James DDirector | PPurchaseClass A Common Stock | +2.07K | $46.01 | +$95.1K | +21.2%11.8K after |