CNM Insider Trading
Core & Main, Inc. | Wholesale-Durable Goods, NEC
Comprehensive Trading Performance Summary
The investment history of corporate insiders at Core & Main, Inc. provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Wholesale-Durable Goods, NEC sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2026-04-21 21:45 | 2026-04-17 | Bradbury Robyn L | Officer - Chief Financial Officer | SELL | $52.54 | 5,000 | $262,724 | 12,500 | -28.6% |
| 2026-04-09 20:47 | 2026-04-07 | Hope James D | Director | BUY | $50.70 | 1,972 | $99,971 | 6,939 | +39.7% |
| 2025-08-20 23:53 | 2025-08-18 | Witkowski Mark R | Director, Officer - Chief Executive Officer | SELL | $64.08 | 100,000 | $6,408,210 | 35,847 | -73.6% |
| 2025-07-24 00:18 | 2025-07-22 | Bradbury Robyn L | Officer - Chief Financial Officer | SELL | $64.51 | 5,000 | $322,551 | 8,555 | -36.9% |
| 2025-07-22 01:42 | 2025-07-18 | Castellano James G | Director | SELL | $61.98 | 43,994 | $2,726,783 | 0 | -100.0% |
| 2025-07-22 00:38 | 2025-07-18 | Kimbrough Orvin T | Director | SELL | $61.77 | 23,962 | $1,480,094 | 13,958 | -63.2% |
| 2025-07-22 00:37 | 2025-07-17 | Witkowski Mark R | Director, Officer - Chief Executive Officer | SELL | $61.26 | 100,000 | $6,126,390 | 35,847 | -73.6% |
| 2025-07-09 01:06 | 2025-07-03 | LeClair Stephen O | Director, Officer - Executive Chair | OPT+S | $62.14 | 125,000 | $7,767,600 | 70,736 | 0.0% |
| 2025-07-04 01:50 | 2025-07-01 | Bradbury Robyn L | Officer - Chief Financial Officer | SELL | $60.49 | 25,000 | $1,512,283 | 8,555 | -74.5% |
| 2025-06-11 02:23 | 2025-06-06 | Whittenburg Mark G | Officer - General Counsel and Secretary | SELL | $60.03 | 50,000 | $3,001,255 | 9,691 | -83.8% |
| 2025-06-06 00:38 | 2025-06-03 | Schneider Laura K | Officer - Chief Human Resources Officer | SELL | $56.25 | 45,695 | $2,570,293 | 12,873 | -78.0% |
| 2025-05-31 00:32 | 2025-05-28 | Schaller John R | Officer - Executive Vice President | OPT+S | $55.00 | 9,794 | $538,670 | 19,689 | 0.0% |
| 2025-04-30 23:49 | 2025-04-28 | Stephens John Weldon | Officer - Chief Accounting Officer | SELL | $53.03 | 41,964 | $2,225,372 | 4,120 | -91.1% |
| 2025-04-04 23:28 | 2025-04-02 | Stephens John Weldon | Officer - Chief Accounting Officer | SELL | $50.48 | 41,963 | $2,118,460 | 4,120 | -91.1% |
| 2025-03-14 00:12 | 2025-03-11 | Schaller John R | Officer - Executive Vice President | OPT+S | $45.00 | 19,292 | $868,140 | 15,474 | 0.0% |
| 2025-03-12 01:52 | 2025-03-10 | Schaller John R | Officer - Executive Vice President | OPT+S | $46.82 | 21,868 | $1,023,860 | 16,452 | 0.0% |
| 2025-02-13 02:26 | 2025-02-10 | Cowles Bradford A | Officer - President | SELL | $54.48 | 25,000 | $1,362,083 | 16,010 | -61.0% |
| 2025-01-18 01:00 | 2025-01-15 | Whittenburg Mark G | Officer - General Counsel and Secretary | SELL | $55.14 | 50,000 | $2,756,795 | 7,667 | -86.7% |
| 2025-01-15 03:17 | 2025-01-10 | Whittenburg Mark G | Officer - General Counsel and Secretary | SELL | $50.49 | 50,000 | $2,524,500 | 7,667 | -86.7% |
| 2025-01-15 03:17 | 2025-01-10 | Schaller John R | Officer - Executive Vice President | OPT+S | $50.57 | 60,452 | $3,057,064 | 17,898 | 0.0% |
| 2025-01-15 03:16 | 2025-01-10 | Cowles Bradford A | Officer - President | SELL | $52.28 | 25,000 | $1,307,085 | 16,010 | -61.0% |
| 2024-12-06 02:03 | 2024-12-03 | Giles Jeffrey D | Officer - EVP, Corporate Department | SELL | $54.71 | 25,000 | $1,367,865 | 11,615 | -68.3% |
| 2024-12-06 02:03 | 2024-12-03 | Cowles Bradford A | Officer - President | SELL | $55.07 | 50,000 | $2,753,280 | 18,423 | -73.1% |
| 2024-12-06 02:02 | 2024-12-03 | LeClair Stephen O | Director, Officer - Chief Executive Officer | SELL | $54.88 | 200,000 | $10,976,180 | 92,349 | -68.4% |
| 2024-12-06 02:02 | 2024-12-03 | NEWMAN MARGARET | Director | SELL | $55.25 | 15,000 | $828,687 | 11,769 | -56.0% |
| 2024-07-18 23:53 | 2024-07-16 | Gipson Dennis G | Director | SELL | $53.08 | 25,000 | $1,327,058 | 0 | -100.0% |
| 2024-07-17 23:18 | 2024-07-15 | Castellano James G | Director | SELL | $52.22 | 12,500 | $652,786 | 0 | -100.0% |
| 2024-07-12 23:37 | 2024-07-10 | Castellano James G | Director | SELL | $50.69 | 12,500 | $633,571 | 0 | -100.0% |
| 2024-05-11 01:38 | 2024-05-08 | Witkowski Mark R | Officer - Chief Financial Officer | SELL | $59.50 | 50,000 | $2,975,005 | 23,898 | -67.7% |
| 2024-04-24 23:55 | 2024-04-23 | Stephens John Weldon | Officer - Chief Accounting Officer | SELL | $55.19 | 9,497 | $524,128 | 4,281 | -68.9% |
| 2024-04-23 23:04 | 2024-04-19 | Whittenburg Mark G | Officer - General Counsel and Secretary | SELL | $54.08 | 50,000 | $2,704,170 | 12,933 | -79.4% |
| 2024-04-23 23:04 | 2024-04-19 | Stephens John Weldon | Officer - Chief Accounting Officer | SELL | $54.23 | 5,503 | $298,429 | 4,281 | -56.2% |
| 2024-04-11 00:03 | 2024-04-08 | Witkowski Mark R | Officer - Chief Financial Officer | SELL | $58.51 | 50,000 | $2,925,730 | 23,898 | -67.7% |
| 2024-03-27 00:21 | 2024-03-22 | Whittenburg Mark G | Officer - General Counsel and Secretary | SELL | $57.91 | 50,000 | $2,895,605 | 12,933 | -79.4% |
| 2024-03-27 00:21 | 2024-03-22 | Stephens John Weldon | Officer - Chief Accounting Officer | SELL | $57.91 | 15,000 | $868,706 | 4,281 | -77.8% |
| 2024-03-12 04:04 | 2024-03-07 | Stephens John Weldon | Officer - VP, Corp. Controller | SELL | $50.02 | 43,900 | $2,195,874 | 3,468 | -92.7% |
| 2024-03-07 01:21 | 2024-03-04 | Stephens John Weldon | Officer - VP, Corp. Controller | SELL | $50.02 | 1,100 | $55,020 | 3,468 | -24.1% |
| 2024-02-27 01:22 | 2024-02-22 | Kimbrough Orvin T | Director | SELL | $45.28 | 9,500 | $430,190 | 9,320 | -50.5% |
| 2024-02-22 01:44 | 2024-02-16 | Kimbrough Orvin T | Director | SELL | $45.00 | 500 | $22,500 | 9,320 | -5.1% |
| 2024-02-15 04:41 | 2024-02-12 | Giles Jeffrey D | Officer - VP, Corporate Department | SELL | $44.14 | 40,000 | $1,765,704 | 8,217 | -83.0% |
| 2024-02-15 03:25 | 2024-02-12 | Schneider Laura K | Officer - Chief Human Resources Officer | SELL | $44.14 | 100,000 | $4,414,420 | 9,672 | -91.2% |
| 2024-02-15 03:13 | 2024-02-12 | Kimbrough Orvin T | Director | SELL | $44.17 | 5,000 | $220,848 | 9,320 | -34.9% |
| 2024-02-15 04:51 | 2024-02-12 | LeClair Stephen O | Director, Officer - Chief Executive Officer | SELL | $44.14 | 150,000 | $6,621,300 | 73,692 | -67.1% |
| 2024-01-26 01:25 | 2024-01-25 | CD&R Investment Associates X, Ltd. | 10% owner | SELL | $40.99 | 22,907,815 | $938,876,798 | 0 | -100.0% |
| 2024-01-19 05:36 | 2024-01-16 | Schaller John R | Officer - President | SELL | $40.99 | 50,000 | $2,049,420 | 0 | -100.0% |
| 2024-01-18 03:27 | 2024-01-12 | Kimbrough Orvin T | Director | SELL | $41.06 | 5,000 | $205,282 | 9,320 | -34.9% |
| 2024-01-17 03:31 | 2024-01-11 | Schneider Laura K | Officer - Chief Human Resources Officer | SELL | $40.63 | 100,000 | $4,062,610 | 9,672 | -91.2% |
| 2024-01-17 03:30 | 2024-01-11 | Giles Jeffrey D | Officer - VP, Corporate Department | SELL | $40.64 | 40,000 | $1,625,704 | 8,217 | -83.0% |
| 2024-01-17 03:30 | 2024-01-11 | LeClair Stephen O | Director, Officer - Chief Executive Officer | SELL | $40.66 | 150,000 | $6,098,520 | 73,692 | -67.1% |
| 2024-01-12 02:29 | 2024-01-10 | CD&R Investment Associates X, Ltd. | 10% owner | SELL | $38.12 | 22,675,728 | $864,398,751 | 1,301,130 | -94.6% |
How to Interpret $CNM Trades
Not every insider transaction in Core & Main, Inc. is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $CNM shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for CNM
Insider activity data for Core & Main, Inc. is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $CNM, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.