| $247M | ||
| $203M | ||
| $40M | ||
| $21M | ||
| $18M | ||
| $18M |
Buys | $99,971 | 1 | 9 |
Sells | $29,553,867 | 10 | 91 |
| Hope James D | director | 1 | $99,971 | 0 | $0 | $99,971 |
| Kimbrough Orvin T | director | 0 | $0 | 1 | $1.48M | $-1.48M |
| Bradbury Robyn L | Chief Financial Officer | 0 | $0 | 3 | $2.1M | $-2.1M |
| Castellano James G | director | 0 | $0 | 1 | $2.73M | $-2.73M |
| Whittenburg Mark G | General Counsel and Secretary | 0 | $0 | 1 | $2.95M | $-2.95M |
| LeClair Stephen O | Executive Chair | 0 | $0 | 2 | $7.77M | $-7.77M |
| Witkowski Mark R | Chief Executive Officer | 0 | $0 | 2 | $12.53M | $-12.53M |
Core & Main, Inc. (CNM) is a leading supplier of vital infrastructure products and services across the United States. The company specializes in providing comprehensive solutions for water, wastewater, storm drainage, and fire protection systems. Their diverse clientele includes local governments (municipalities), privately owned water utilities, and a wide array of professional contractors working on projects in the residential, non-residential (commercial), and public sectors. Core & Main's extensive product range features essential components such as pipes, valves, hydrants, and fittings. For storm drainage needs, they offer systems including corrugated piping, retention basins, inline drains, manholes, grates, and geosynthetics. Their fire protection inventory covers crucial items like fire protection pipes, sprinkler heads, complete fire suppression systems, related accessories, and specialized fabrication services. Additionally, they provide advanced metering products, including smart meter technology, alongside installation services and software solutions. These specialized materials and services are integral to the construction, maintenance, repair, and replacement of critical water and fire protection infrastructure. Established in 1874, Core & Main is headquartered in St. Louis, Missouri.
Over the last 12 months, insiders at Core & Main, Inc. have bought $99,971 and sold $29.55M worth of Core & Main, Inc. stock.
On average, over the past 5 years, insiders at Core & Main, Inc. have bought $99,971 and sold $1.29B worth of stock each year.
Highest buying activity among insiders over the last 12 months: Hope James D (director) — $99,971.
The last purchase of 1,972 shares for transaction amount of $99,971 was made by Hope James D (director) on 2026‑04‑07.
| 2026-04-17 | Sale | Bradbury Robyn L | Chief Financial Officer | 5,000 0.0028% | $52.54 | $262,724 | -3.48% | |
| 2026-04-07 | Hope James D | director | 1,972 0.0011% | $50.70 | $99,971 | -1.79% | ||
| 2025-08-18 | Sale | Witkowski Mark R | Chief Executive Officer | 100,000 0.0521% | $64.08 | $6.41M | -20.25% | |
| 2025-07-22 | Sale | Bradbury Robyn L | Chief Financial Officer | 5,000 0.0026% | $64.51 | $322,551 | -19.56% | |
| 2025-07-18 | Sale | Kimbrough Orvin T | director | 23,962 0.0126% | $61.77 | $1.48M | -15.61% | |
| 2025-07-18 | Sale | Castellano James G | director | 43,994 0.0232% | $61.98 | $2.73M | -15.61% | |
| 2025-07-17 | Sale | Witkowski Mark R | Chief Executive Officer | 100,000 0.0534% | $61.26 | $6.13M | -15.40% | |
| 2025-07-07 | Sale | LeClair Stephen O | Executive Chair | 44,972 0.0237% | $61.91 | $2.78M | -15.16% | |
| 2025-07-03 | Sale | LeClair Stephen O | Executive Chair | 80,028 0.0422% | $62.27 | $4.98M | -15.72% | |
| 2025-07-01 | Sale | Bradbury Robyn L | Chief Financial Officer | 25,000 0.013% | $60.49 | $1.51M | -14.18% | |
| 2025-06-09 | Sale | Whittenburg Mark G | General Counsel and Secretary | 49,100 0.0262% | $60.03 | $2.95M | -10.33% | |
| 2025-06-06 | Sale | Whittenburg Mark G | General Counsel and Secretary | 900 0.0005% | $60.03 | $54,023 | -10.68% | |
| 2025-06-03 | Sale | Schneider Laura K | Chief Human Resources Officer | 45,695 0.023% | $56.25 | $2.57M | -9.61% | |
| 2025-05-28 | Sale | Schaller John R | Executive Vice President | 9,794 0.0052% | $55.00 | $538,670 | -1.79% | |
| 2025-04-29 | Sale | Stephens John Weldon | Chief Accounting Officer | 31,750 0.0167% | $53.03 | $1.68M | +1.78% | |
| 2025-04-28 | Sale | Stephens John Weldon | Chief Accounting Officer | 10,214 0.0054% | $53.02 | $541,573 | +1.93% | |
| 2025-03-11 | Sale | Schaller John R | Executive Vice President | 19,292 0.0098% | $45.00 | $868,140 | +15.72% | |
| 2025-03-10 | Sale | Schaller John R | Executive Vice President | 21,868 0.0115% | $46.82 | $1.02M | +15.38% | |
| 2025-02-10 | Sale | Cowles Bradford A | President | 25,000 0.0131% | $54.48 | $1.36M | -2.45% | |
| 2025-01-16 | Sale | Whittenburg Mark G | General Counsel and Secretary | 48,026 0.0254% | $55.13 | $2.65M | -2.68% |
| Increased Positions | 208 | +37.48% | 17M | +8.16% |
| Decreased Positions | 248 | -44.68% | 29M | -13.51% |
| New Positions | 80 | New | 5M | New |
| Sold Out Positions | 65 | Sold Out | 7M | Sold Out |
| Total Postitions | 515 | -7.21% | 201M | -5.35% |
| Blackrock, Inc. | $1.02M | 10.07% | 19.03M | -24,896 | -0.13% | 2025-09-30 |
| Vanguard Group Inc | $945,617.00 | 9.37% | 17.7M | -121,364 | -0.68% | 2025-09-30 |
| Morgan Stanley | $719,364.00 | 7.13% | 13.47M | -2M | -14.95% | 2025-09-30 |
| Select Equity Group, L.P. | $517,617.00 | 5.13% | 9.69M | -2M | -15.47% | 2025-09-30 |
| Pictet Asset Management Holding Sa | $444,834.00 | 4.41% | 8.33M | +603,345 | +7.81% | 2025-09-30 |
| Fmr Llc | $332,261.00 | 3.29% | 6.22M | +269,878 | +4.54% | 2025-09-30 |
| Capital World Investors | $317,690.00 | 3.15% | 5.95M | +4M | +294.94% | 2025-09-30 |
| State Street Corp | $303,313.00 | 3.01% | 5.68M | -69,857 | -1.22% | 2025-09-30 |
| D1 Capital Partners L.P. | $276,486.00 | 2.74% | 5.18M | -836,000 | -13.9% | 2025-09-30 |
| Janus Henderson Group Plc | $275,491.00 | 2.73% | 5.16M | +317,453 | +6.56% | 2025-09-30 |