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Companies 1/25
CNM
Result 115 decisions over 120 months
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Direction ?
Both115 Bought2 Sold113
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Window ?
1 mo 12 mo 120 mo
Plan ?
Any Discretionary Scheduled (10b5-1) Not stated
Minimum amount ?
Any $100K $1M $10M $100M $500M
Share of their own holding ?
What the chief executive holds ?
Company: CNM
Company
Date
Insider
Role
Action ?
Shares
Amount
Of holding
CNM Core & Main, Inc.
6 Jul 2026
Hope James D
Director
Bought
2,067
$95.11K
21.2%
CNM Core & Main, Inc.
17 Apr 2026
Bradbury Robyn L
Chief Financial Officer
Sold on a plan 2×
5,000
$262.72K
28.6%
CNM Core & Main, Inc.
7 Apr 2026
Hope James D
Director
Bought
1,972
$99.97K
39.7%
CNM Core & Main, Inc.
18 Aug 2025
Witkowski Mark R
Chief Executive Officer
Sold on a plan
100,000
$6.41M
73.6%
CNM Core & Main, Inc.
22 Jul 2025
Bradbury Robyn L
Chief Financial Officer
Sold on a plan
5,000
$322.55K
36.9%
CNM Core & Main, Inc.
18 Jul 2025
Castellano James G
Director indirect
Sold on a plan
43,994
$2.73M
100%
CNM Core & Main, Inc.
18 Jul 2025
Kimbrough Orvin T
Director
Sold on a plan
23,962
$1.48M
63.2%
CNM Core & Main, Inc.
17 Jul 2025
Witkowski Mark R
Chief Executive Officer
Sold on a plan 2×
100,000
$6.13M
73.6%
CNM Core & Main, Inc.
7 Jul 2025
LeClair Stephen O
Executive Chair
Sold at will
44,972
$2.78M
38.9%
CNM Core & Main, Inc.
3 Jul 2025
LeClair Stephen O
Executive Chair
Sold at will
80,028
$4.98M
53.1%
CNM Core & Main, Inc.
1 Jul 2025
Bradbury Robyn L
Chief Financial Officer
Sold on a plan 3×
25,000
$1.51M
74.5%
CNM Core & Main, Inc.
9 Jun 2025
Whittenburg Mark G
General Counsel and Secretary
Sold on a plan
49,100
$2.95M
83.5%
CNM Core & Main, Inc.
6 Jun 2025
Whittenburg Mark G
General Counsel and Secretary
Sold on a plan
900
$54.02K
8.5%
CNM Core & Main, Inc.
3 Jun 2025
Schneider Laura K
Chief Human Resources Officer
Sold on a plan
45,695
$2.57M
78.0%
CNM Core & Main, Inc.
28 May 2025
Schaller John R
Executive Vice President
Sold on a plan
9,794
$538.67K
33.2%
CNM Core & Main, Inc.
29 Apr 2025
Stephens John Weldon
Chief Accounting Officer
Sold on a plan
31,750
$1.68M
88.5%
CNM Core & Main, Inc.
28 Apr 2025
Stephens John Weldon
Chief Accounting Officer
Sold on a plan
10,214
$541.57K
71.3%
CNM Core & Main, Inc.
2 Apr 2025
Stephens John Weldon
Chief Accounting Officer
Sold on a plan
41,963
$2.12M
91.1%
CNM Core & Main, Inc.
11 Mar 2025
Schaller John R
Executive Vice President
Sold on a plan
19,292
$868.14K
55.5%
CNM Core & Main, Inc.
10 Mar 2025
Schaller John R
Executive Vice President
Sold on a plan
21,868
$1.02M
57.1%
CNM Core & Main, Inc.
10 Feb 2025
Cowles Bradford A
President
Sold on a plan
25,000
$1.36M
61.0%
CNM Core & Main, Inc.
16 Jan 2025
Whittenburg Mark G
General Counsel and Secretary
Sold on a plan
48,026
$2.65M
86.2%
CNM Core & Main, Inc.
15 Jan 2025
Whittenburg Mark G
General Counsel and Secretary
Sold on a plan
1,974
$109.13K
20.5%
CNM Core & Main, Inc.
14 Jan 2025
Cowles Bradford A
President
Sold on a plan
12,500
$675.90K
43.8%
CNM Core & Main, Inc.
10 Jan 2025
Schaller John R
Executive Vice President
Sold on a plan 3×
60,452
$3.06M
77.2%
CNM Core & Main, Inc.
10 Jan 2025
Whittenburg Mark G
General Counsel and Secretary
Sold on a plan
50,000
$2.52M
86.7%
CNM Core & Main, Inc.
10 Jan 2025
Cowles Bradford A
President
Sold on a plan
12,500
$631.19K
43.8%
CNM Core & Main, Inc.
3 Dec 2024
LeClair Stephen O
Chief Executive Officer
Sold on a plan
200,000
$10.98M
68.4%
CNM Core & Main, Inc.
3 Dec 2024
Cowles Bradford A
President
Sold on a plan
50,000
$2.75M
73.1%
CNM Core & Main, Inc.
3 Dec 2024
Giles Jeffrey D
EVP, Corporate Department
Sold on a plan
25,000
$1.37M
68.3%
CNM Core & Main, Inc.
3 Dec 2024
NEWMAN MARGARET
Director
Sold on a plan
15,000
$828.69K
56.0%
CNM Core & Main, Inc.
16 Jul 2024
Gipson Dennis G
Director indirect
Sold on a plan
25,000
$1.33M
100%
CNM Core & Main, Inc.
15 Jul 2024
Castellano James G
Director indirect
Sold on a plan
12,500
$652.79K
100%
CNM Core & Main, Inc.
11 Jul 2024
Castellano James G
Director indirect
Sold on a plan
12,300
$623.57K
100%
CNM Core & Main, Inc.
10 Jul 2024
Castellano James G
Director indirect
Sold on a plan
200
$10.00K
100%
CNM Core & Main, Inc.
8 May 2024
Witkowski Mark R
Chief Financial Officer
Sold on a plan
50,000
$2.98M
67.7%
CNM Core & Main, Inc.
23 Apr 2024
Stephens John Weldon
Chief Accounting Officer
Sold on a plan
9,497
$524.13K
68.9%
CNM Core & Main, Inc.
19 Apr 2024
Whittenburg Mark G
General Counsel and Secretary
Sold on a plan
50,000
$2.70M
79.4%
CNM Core & Main, Inc.
19 Apr 2024
Stephens John Weldon
Chief Accounting Officer
Sold on a plan
5,503
$298.43K
56.2%
CNM Core & Main, Inc.
8 Apr 2024
Witkowski Mark R
Chief Financial Officer
Sold on a plan
50,000
$2.93M
67.7%
CNM Core & Main, Inc.
22 Mar 2024
Whittenburg Mark G
General Counsel and Secretary
Sold at will
50,000
$2.90M
79.4%
CNM Core & Main, Inc.
22 Mar 2024
Stephens John Weldon
Chief Accounting Officer
Sold on a plan
15,000
$868.71K
77.8%
CNM Core & Main, Inc.
7 Mar 2024
Stephens John Weldon
VP, Corp. Controller
Sold on a plan
43,900
$2.20M
92.7%
CNM Core & Main, Inc.
4 Mar 2024
Stephens John Weldon
VP, Corp. Controller
Sold on a plan
1,100
$55.02K
24.1%
CNM Core & Main, Inc.
22 Feb 2024
Kimbrough Orvin T
Director
Sold on a plan
9,500
$430.19K
50.5%
CNM Core & Main, Inc.
21 Feb 2024
Kimbrough Orvin T
Director
Sold on a plan
313
$14.09K
3.2%
CNM Core & Main, Inc.
16 Feb 2024
Kimbrough Orvin T
Director
Sold on a plan
187
$8.42K
2.0%
CNM Core & Main, Inc.
12 Feb 2024
LeClair Stephen O
Chief Executive Officer
Sold on a plan
150,000
$6.62M
67.1%
CNM Core & Main, Inc.
12 Feb 2024
Schneider Laura K
Chief Human Resources Officer
Sold on a plan
100,000
$4.41M
91.2%
CNM Core & Main, Inc.
12 Feb 2024
Giles Jeffrey D
VP, Corporate Department
Sold on a plan
40,000
$1.77M
83.0%
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