20 insiders reported 157 Form 4 transactions for Core & Main, Inc. (CNM) over the past 18 months (most recent 2026-06-24). Recent activity: MAZZARELLA KATHLEEN M (Director) Buy 2,799 shares, Hope James D (Director) Buy 2,799 shares, NEWMAN MARGARET (Director) Buy 2,799 shares, Hardwick M Susan (Director) Buy 2,799 shares, Buck Robert M (Director) Buy 2,799 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-24 | MAZZARELLA KATHLEEN M | Director | Buy | 2,799 | $0 |
| 2026-06-24 | Hope James D | Director | Buy | 2,799 | $0 |
| 2026-06-24 | NEWMAN MARGARET | Director | Buy | 2,799 | $0 |
| 2026-06-24 | Hardwick M Susan | Director | Buy | 2,799 | $0 |
| 2026-06-24 | Buck Robert M | Director | Buy | 2,799 | $0 |
| 2026-06-24 | Amirthalingam Bhavani | Director | Buy | 2,799 | $0 |
| 2026-06-24 | Gipson Dennis G | Director | Buy | 2,799 | $0 |
| 2026-06-24 | Castellano James G | Director | Buy | 2,799 | $0 |
| 2026-06-24 | Kimbrough Orvin T | Director | Buy | 2,799 | $0 |
| 2026-06-24 | Harper Carla D | Senior VP, Human Resources | Sell | 568 | $26,838 |
| 2026-04-21 | Bradbury Robyn L | Chief Financial Officer | Sell | 3,353 | $177,178 |
| 2026-04-21 | Bradbury Robyn L | Chief Financial Officer | Sell | 1,647 | $85,546 |
| 2026-04-21 | Bradbury Robyn L | Chief Financial Officer | Buy | 5,000 | $0 |
| 2026-04-09 | Hope James D | Director | Buy | 1,972 | $99,971 |
| 2026-04-02 | Hardwick M Susan | Director | Buy | 580 | $0 |
| 2026-03-13 | Bradbury Robyn L | Chief Financial Officer | Sell | 404 | $19,861 |
| 2026-03-13 | Bradbury Robyn L | Chief Financial Officer | Buy | 4,824 | $0 |
| 2026-03-13 | Giles Jeffrey D | EVP, Corporate Development | Buy | 3,021 | $0 |
| 2026-03-13 | HUEBERT MICHAEL G. | President | Sell | 447 | $21,975 |
| 2026-03-13 | HUEBERT MICHAEL G. | President | Buy | 10,500 | $0 |
| 2026-03-13 | Whittenburg Mark G | General Counsel and Secretary | Sell | 331 | $16,272 |
| 2026-03-13 | Stephens John Weldon | Chief Accounting Officer | Sell | 107 | $5,260 |
| 2026-03-13 | Stephens John Weldon | Chief Accounting Officer | Buy | 936 | $0 |
| 2026-03-13 | Witkowski Mark R | Chief Executive Officer | Sell | 1,685 | $82,835 |
| 2026-03-13 | Witkowski Mark R | Chief Executive Officer | Buy | 18,372 | $0 |
Source: SEC Form 4 filings · as of 2026-06-24