Core & Main, Inc. (CNM) is a publicly traded company in the Unknown sector. Across all available filings, 25 corporate insiders have executed 330 transactions totaling $5.6B, demonstrating a bearish sentiment with -$5.6B in net insider flow. The most recent transaction on Dec 31, 2025 involved a transaction of 25,500 shares valued at $0.
No significant insider buying has been recorded for CNM in the recent period.
No significant insider selling has been recorded for CNM in the recent period.
Based on recent SEC filings, insider sentiment for CNM is bearish with an Insider Alignment Score of 0/100 and a net flow of -$5.6B. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at Core & Main, Inc. (CNM) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 25 insiders are actively trading CNM stock, having executed 330 transactions in the past 90 days. The most active insider is Fund X. Waterworks B1, L.p. Cd&r (Executive), who has made 21 transactions totaling $1.7B.
Get notified when executives and directors at CNM file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | G. Whittenburg Mark | General Counsel and Secretary | Gift | 25,500 | $N/A | $0 | |
| Sep 12, 2025 | Weldon Stephens John | Executive | Option Exercise | 12,717 | $20.81 | $264.6K | |
| Sep 3, 2025 | D. Harper Carla | Executive | Award | 2,091 | $N/A | $0 | |
| Aug 18, 2025 | R. Witkowski Mark | Executive | Conversion | 100,000 | $N/A | $0 | |
| Aug 18, 2025 | R. Witkowski Mark | Executive | Sale | 100,000 | $64.08 | $6.4M | Large |
| Jul 22, 2025 | L. Bradbury Robyn | Executive | Conversion | 5,000 | $N/A | $0 | |
| Jul 22, 2025 | L. Bradbury Robyn | Executive | Sale | 5,000 | $64.51 | $322.6K | |
| Jul 22, 2025 | G. Huebert Michael | Executive | Payment | 1,337 | $65.03 | $86.9K | |
| Jul 7, 2025 | O. Leclair Stephen | Executive | Option Exercise | 44,972 | $20.81 | $935.9K | Large |
| Jul 7, 2025 | O. Leclair Stephen | Executive | Sale | 44,972 | $61.91 | $2.8M | Large |
| Jul 3, 2025 | O. Leclair Stephen | Executive | Option Exercise | 80,028 | $20.81 | $1.7M | Large |
| Jul 3, 2025 | O. Leclair Stephen | Executive | Sale | 80,028 | $62.27 | $5.0M | Large |
| Jul 1, 2025 | L. Bradbury Robyn | Executive | Conversion | 24,957 | $N/A | $0 | |
| Jul 1, 2025 | L. Bradbury Robyn | Executive | Sale | 11,318 | $61.08 | $691.3K | Large |
| Jul 1, 2025 | L. Bradbury Robyn | Executive | Sale | 13,363 | $59.97 | $801.4K | Large |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 142 | $5.6B | 96.7% |
Conversion(C) | 87 | $189.6M | 3.3% |
Exercise(M) | 3 | $2.9M | 0.0% |
Payment(F) | 1 | $86.9K | 0.0% |
Gift(G) | 2 | $0 | 0.0% |
Award(A) | 52 | $0 | 0.0% |
Other(J) | 43 | $0 | 0.0% |
Insider selling pressure at Core & Main, Inc. has increased, with 25 insiders executing 330 transactions across all time. Total sales of $5.6B significantly outpace purchases of $0, resulting in a net outflow of $5.6B. However, 42% of these transactions are pre-scheduled 10b5-1 plans, often used for tax planning or diversification rather than signaling negative outlook.