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Insider trades
Open-market buys and sells by officers, directors and 10% owners, from SEC Form 4. Usually filed within two business days.
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.
Source and freshness · Information, not investment advice (disclaimer).
Open-market trades per day, last 30 days
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
Showing: ticker CNM
| Traded | Insider | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Jul 6, 2026 | James D. Hope Director | CNM Core & Main, Inc. | Buy | 2,067 | $46.01 | $95.1K Buy | Form 4 ↗ |
| Apr 17, 2026 | Robyn L. Bradbury Chief Financial Officer | CNM Core & Main, Inc. | Sale | 3,353 | $52.84 | $177.2K Sale | Form 4 ↗ |
| Apr 17, 2026 | Robyn L. Bradbury Chief Financial Officer | CNM Core & Main, Inc. | Sale | 1,647 | $51.94 | $85.5K Sale | Form 4 ↗ |
| Apr 7, 2026 | James D. Hope Director | CNM Core & Main, Inc. | Buy | 1,972 | $50.70 | $100.0K Buy | Form 4 ↗ |
| Aug 18, 2025 | Mark R. Witkowski Chief Executive Officer, Director | CNM Core & Main, Inc. | Sale | 100,000 | $64.08 | $6.4M Sale | Form 4 ↗ |
| Jul 22, 2025 | Robyn L. Bradbury Chief Financial Officer | CNM Core & Main, Inc. | Sale | 5,000 | $64.51 | $322.6K Sale | Form 4 ↗ |
| Jul 18, 2025 | James G. Castellano Director | CNM Core & Main, Inc. | Sale | 43,994 | $61.98 | $2.7M Sale | Form 4 ↗ |
| Jul 18, 2025 | Orvin T. Kimbrough Director | CNM Core & Main, Inc. | Sale | 23,962 | $61.77 | $1.5M Sale | Form 4 ↗ |
| Jul 17, 2025 | Mark R. Witkowski Chief Executive Officer, Director | CNM Core & Main, Inc. | Sale | 27,669 | $61.63 | $1.7M Sale | Form 4 ↗ |
| Jul 17, 2025 | Mark R. Witkowski Chief Executive Officer, Director | CNM Core & Main, Inc. | Sale | 72,331 | $61.12 | $4.4M Sale | Form 4 ↗ |
| Jul 7, 2025 | Stephen O. LeClair Executive Chair, Director | CNM Core & Main, Inc. | Sale | 44,972 | $61.91 | $2.8M Sale | Form 4 ↗ |
| Jul 3, 2025 | Stephen O. LeClair Executive Chair, Director | CNM Core & Main, Inc. | Sale | 80,028 | $62.27 | $5.0M Sale | Form 4 ↗ |
| Jul 1, 2025 | Robyn L. Bradbury Chief Financial Officer | CNM Core & Main, Inc. | Sale | 319 | $61.58 | $19.6K Sale | Form 4 ↗ |
| Jul 1, 2025 | Robyn L. Bradbury Chief Financial Officer | CNM Core & Main, Inc. | Sale | 11,318 | $61.08 | $691.3K Sale | Form 4 ↗ |
| Jul 1, 2025 | Robyn L. Bradbury Chief Financial Officer | CNM Core & Main, Inc. | Sale | 13,363 | $59.97 | $801.4K Sale | Form 4 ↗ |
| Jun 9, 2025 | Mark G. Whittenburg General Counsel and Secretary | CNM Core & Main, Inc. | Sale | 49,100 | $60.03 | $2.9M Sale | Form 4 ↗ |
| Jun 6, 2025 | Mark G. Whittenburg General Counsel and Secretary | CNM Core & Main, Inc. | Sale | 900 | $60.03 | $54.0K Sale | Form 4 ↗ |
| Jun 3, 2025 | Laura K. Schneider Chief Human Resources Officer | CNM Core & Main, Inc. | Sale | 45,695 | $56.25 | $2.6M Sale | Form 4 ↗ |
| May 28, 2025 | John R. Schaller Executive Vice President | CNM Core & Main, Inc. | Sale | 9,794 | $55.00 | $538.7K Sale | Form 4 ↗ |
| Apr 29, 2025 | John Weldon Stephens Chief Accounting Officer | CNM Core & Main, Inc. | Sale | 31,750 | $53.03 | $1.7M Sale | Form 4 ↗ |
| Apr 28, 2025 | John Weldon Stephens Chief Accounting Officer | CNM Core & Main, Inc. | Sale | 10,214 | $53.02 | $541.5K Sale | Form 4 ↗ |
| Apr 2, 2025 | John Weldon Stephens Chief Accounting Officer | CNM Core & Main, Inc. | Sale | 41,963 | $50.48 | $2.1M Sale | Form 4 ↗ |
| Mar 11, 2025 | John R. Schaller Executive Vice President | CNM Core & Main, Inc. | Sale | 19,292 | $45.00 | $868.1K Sale | Form 4 ↗ |
| Mar 10, 2025 | John R. Schaller Executive Vice President | CNM Core & Main, Inc. | Sale | 21,868 | $46.82 | $1.0M Sale | Form 4 ↗ |
| Feb 10, 2025 | Bradford A. Cowles President | CNM Core & Main, Inc. | Sale | 25,000 | $54.48 | $1.4M Sale | Form 4 ↗ |
| Jan 16, 2025 | Mark G. Whittenburg General Counsel and Secretary | CNM Core & Main, Inc. | Sale | 48,026 | $55.13 | $2.6M Sale | Form 4 ↗ |
| Jan 15, 2025 | Mark G. Whittenburg General Counsel and Secretary | CNM Core & Main, Inc. | Sale | 1,974 | $55.29 | $109.1K Sale | Form 4 ↗ |
| Jan 14, 2025 | Bradford A. Cowles President | CNM Core & Main, Inc. | Sale | 12,500 | $54.07 | $675.9K Sale | Form 4 ↗ |
| Jan 10, 2025 | Mark G. Whittenburg General Counsel and Secretary | CNM Core & Main, Inc. | Sale | 50,000 | $50.49 | $2.5M Sale | Form 4 ↗ |
| Jan 10, 2025 | John R. Schaller Executive Vice President | CNM Core & Main, Inc. | Sale | 21,868 | $50.56 | $1.1M Sale | Form 4 ↗ |
| Jan 10, 2025 | John R. Schaller Executive Vice President | CNM Core & Main, Inc. | Sale | 600 | $51.41 | $30.8K Sale | Form 4 ↗ |
| Jan 10, 2025 | John R. Schaller Executive Vice President | CNM Core & Main, Inc. | Sale | 37,984 | $50.56 | $1.9M Sale | Form 4 ↗ |
| Jan 10, 2025 | Bradford A. Cowles President | CNM Core & Main, Inc. | Sale | 12,500 | $50.50 | $631.3K Sale | Form 4 ↗ |
| Dec 3, 2024 | Jeffrey D. Giles EVP, Corporate Department | CNM Core & Main, Inc. | Sale | 25,000 | $54.71 | $1.4M Sale | Form 4 ↗ |
| Dec 3, 2024 | Bradford A. Cowles President | CNM Core & Main, Inc. | Sale | 50,000 | $55.07 | $2.8M Sale | Form 4 ↗ |
| Dec 3, 2024 | Margaret Newman Director | CNM Core & Main, Inc. | Sale | 15,000 | $55.25 | $828.8K Sale | Form 4 ↗ |
| Dec 3, 2024 | Stephen O. LeClair Chief Executive Officer, Director | CNM Core & Main, Inc. | Sale | 200,000 | $54.88 | $11.0M Sale | Form 4 ↗ |
37 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 6:18 PM EST.
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