About this data
What it is
When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
Who files it
The insider, usually through the company, within two business days of the trade.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.

All of this comes from public filings.

Open-market trades per day, last 30 days

05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0
05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0

Purchases Sales

By trade date. Insiders have two business days to file, so the most recent days fill in later.

Latest open-market insider trades

Reset

Showing: ticker CNM

Latest open-market insider trades
TradedInsiderCompanyTypeSharesPriceValueFiling
Jul 6, 2026James D. Hope
Director
CNM
Core & Main, Inc.
Buy2,067$46.01$95.1K BuyForm 4 ↗
Apr 17, 2026Robyn L. Bradbury
Chief Financial Officer
CNM
Core & Main, Inc.
Sale3,353$52.84$177.2K SaleForm 4 ↗
Apr 17, 2026Robyn L. Bradbury
Chief Financial Officer
CNM
Core & Main, Inc.
Sale1,647$51.94$85.5K SaleForm 4 ↗
Apr 7, 2026James D. Hope
Director
CNM
Core & Main, Inc.
Buy1,972$50.70$100.0K BuyForm 4 ↗
Aug 18, 2025Mark R. Witkowski
Chief Executive Officer, Director
CNM
Core & Main, Inc.
Sale100,000$64.08$6.4M SaleForm 4 ↗
Jul 22, 2025Robyn L. Bradbury
Chief Financial Officer
CNM
Core & Main, Inc.
Sale5,000$64.51$322.6K SaleForm 4 ↗
Jul 18, 2025James G. Castellano
Director
CNM
Core & Main, Inc.
Sale43,994$61.98$2.7M SaleForm 4 ↗
Jul 18, 2025Orvin T. Kimbrough
Director
CNM
Core & Main, Inc.
Sale23,962$61.77$1.5M SaleForm 4 ↗
Jul 17, 2025Mark R. Witkowski
Chief Executive Officer, Director
CNM
Core & Main, Inc.
Sale27,669$61.63$1.7M SaleForm 4 ↗
Jul 17, 2025Mark R. Witkowski
Chief Executive Officer, Director
CNM
Core & Main, Inc.
Sale72,331$61.12$4.4M SaleForm 4 ↗
Jul 7, 2025Stephen O. LeClair
Executive Chair, Director
CNM
Core & Main, Inc.
Sale44,972$61.91$2.8M SaleForm 4 ↗
Jul 3, 2025Stephen O. LeClair
Executive Chair, Director
CNM
Core & Main, Inc.
Sale80,028$62.27$5.0M SaleForm 4 ↗
Jul 1, 2025Robyn L. Bradbury
Chief Financial Officer
CNM
Core & Main, Inc.
Sale319$61.58$19.6K SaleForm 4 ↗
Jul 1, 2025Robyn L. Bradbury
Chief Financial Officer
CNM
Core & Main, Inc.
Sale11,318$61.08$691.3K SaleForm 4 ↗
Jul 1, 2025Robyn L. Bradbury
Chief Financial Officer
CNM
Core & Main, Inc.
Sale13,363$59.97$801.4K SaleForm 4 ↗
Jun 9, 2025Mark G. Whittenburg
General Counsel and Secretary
CNM
Core & Main, Inc.
Sale49,100$60.03$2.9M SaleForm 4 ↗
Jun 6, 2025Mark G. Whittenburg
General Counsel and Secretary
CNM
Core & Main, Inc.
Sale900$60.03$54.0K SaleForm 4 ↗
Jun 3, 2025Laura K. Schneider
Chief Human Resources Officer
CNM
Core & Main, Inc.
Sale45,695$56.25$2.6M SaleForm 4 ↗
May 28, 2025John R. Schaller
Executive Vice President
CNM
Core & Main, Inc.
Sale9,794$55.00$538.7K SaleForm 4 ↗
Apr 29, 2025John Weldon Stephens
Chief Accounting Officer
CNM
Core & Main, Inc.
Sale31,750$53.03$1.7M SaleForm 4 ↗
Apr 28, 2025John Weldon Stephens
Chief Accounting Officer
CNM
Core & Main, Inc.
Sale10,214$53.02$541.5K SaleForm 4 ↗
Apr 2, 2025John Weldon Stephens
Chief Accounting Officer
CNM
Core & Main, Inc.
Sale41,963$50.48$2.1M SaleForm 4 ↗
Mar 11, 2025John R. Schaller
Executive Vice President
CNM
Core & Main, Inc.
Sale19,292$45.00$868.1K SaleForm 4 ↗
Mar 10, 2025John R. Schaller
Executive Vice President
CNM
Core & Main, Inc.
Sale21,868$46.82$1.0M SaleForm 4 ↗
Feb 10, 2025Bradford A. Cowles
President
CNM
Core & Main, Inc.
Sale25,000$54.48$1.4M SaleForm 4 ↗
Jan 16, 2025Mark G. Whittenburg
General Counsel and Secretary
CNM
Core & Main, Inc.
Sale48,026$55.13$2.6M SaleForm 4 ↗
Jan 15, 2025Mark G. Whittenburg
General Counsel and Secretary
CNM
Core & Main, Inc.
Sale1,974$55.29$109.1K SaleForm 4 ↗
Jan 14, 2025Bradford A. Cowles
President
CNM
Core & Main, Inc.
Sale12,500$54.07$675.9K SaleForm 4 ↗
Jan 10, 2025Mark G. Whittenburg
General Counsel and Secretary
CNM
Core & Main, Inc.
Sale50,000$50.49$2.5M SaleForm 4 ↗
Jan 10, 2025John R. Schaller
Executive Vice President
CNM
Core & Main, Inc.
Sale21,868$50.56$1.1M SaleForm 4 ↗
Jan 10, 2025John R. Schaller
Executive Vice President
CNM
Core & Main, Inc.
Sale600$51.41$30.8K SaleForm 4 ↗
Jan 10, 2025John R. Schaller
Executive Vice President
CNM
Core & Main, Inc.
Sale37,984$50.56$1.9M SaleForm 4 ↗
Jan 10, 2025Bradford A. Cowles
President
CNM
Core & Main, Inc.
Sale12,500$50.50$631.3K SaleForm 4 ↗
Dec 3, 2024Jeffrey D. Giles
EVP, Corporate Department
CNM
Core & Main, Inc.
Sale25,000$54.71$1.4M SaleForm 4 ↗
Dec 3, 2024Bradford A. Cowles
President
CNM
Core & Main, Inc.
Sale50,000$55.07$2.8M SaleForm 4 ↗
Dec 3, 2024Margaret Newman
Director
CNM
Core & Main, Inc.
Sale15,000$55.25$828.8K SaleForm 4 ↗
Dec 3, 2024Stephen O. LeClair
Chief Executive Officer, Director
CNM
Core & Main, Inc.
Sale200,000$54.88$11.0M SaleForm 4 ↗

37 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 6:30 PM EST.

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