Insider Transactions in Q3 2025 at Core & Main, Inc. (CNM)
Insider Transaction List (Q3 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Sep 12
2025
|
John Weldon Stephens Chief Accounting Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
12,717
+43.03%
|
$254,340
$20.81 P/Share
|
|
Sep 03
2025
|
Carla D Harper Senior VP, Human Resources |
BUY
Grant, award, or other acquisition
|
Direct |
2,091
+15.09%
|
-
|
|
Aug 18
2025
|
Mark R Witkowski Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
100,000
-73.61%
|
$6,400,000
$64.08 P/Share
|
|
Aug 18
2025
|
Mark R Witkowski Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
100,000
+42.4%
|
-
|
|
Jul 22
2025
|
Michael G. Huebert President |
SELL
Payment of exercise price or tax liability
|
Direct |
1,337
-7.88%
|
$86,905
$65.03 P/Share
|
|
Jul 22
2025
|
Robyn L Bradbury Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
5,000
-36.89%
|
$320,000
$64.51 P/Share
|
|
Jul 22
2025
|
Robyn L Bradbury Chief Financial Officer |
BUY
Conversion of derivative security
|
Direct |
5,000
+26.95%
|
-
|
|
Jul 18
2025
|
James G Castellano Director |
SELL
Open market or private sale
|
Indirect |
43,994
-100.0%
|
$2,683,634
$61.98 P/Share
|
|
Jul 18
2025
|
James G Castellano Director |
BUY
Conversion of derivative security
|
Indirect |
34,674
+44.08%
|
-
|
|
Jul 18
2025
|
Orvin T Kimbrough Director |
SELL
Open market or private sale
|
Direct |
23,962
-63.19%
|
$1,461,682
$61.77 P/Share
|
|
Jul 18
2025
|
Orvin T Kimbrough Director |
BUY
Conversion of derivative security
|
Direct |
23,957
+38.72%
|
-
|
|
Jul 18
2025
|
Orvin T Kimbrough Director |
BUY
Other acquisition or disposition
|
Direct |
5
+0.04%
|
-
|
|
Jul 18
2025
|
Orvin T Kimbrough Director |
SELL
Other acquisition or disposition
|
Indirect |
5
-62.5%
|
-
|
|
Jul 17
2025
|
Mark R Witkowski Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
100,000
-48.4%
|
$6,100,000
$61.38 P/Share
|
|
Jul 17
2025
|
Mark R Witkowski Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
100,000
+42.4%
|
-
|
|
Jul 07
2025
|
Stephen O Le Clair Executive Chair |
SELL
Open market or private sale
|
Direct |
44,972
-38.87%
|
$2,743,292
$61.91 P/Share
|
|
Jul 07
2025
|
Stephen O Le Clair Executive Chair |
BUY
Exercise of conversion of derivative security
|
Direct |
44,972
+27.99%
|
$899,440
$20.81 P/Share
|
|
Jul 03
2025
|
Stephen O Le Clair Executive Chair |
SELL
Open market or private sale
|
Direct |
80,028
-53.08%
|
$4,961,736
$62.27 P/Share
|
|
Jul 03
2025
|
Stephen O Le Clair Executive Chair |
BUY
Exercise of conversion of derivative security
|
Direct |
80,028
+34.68%
|
$1,600,560
$20.81 P/Share
|
|
Jul 01
2025
|
Robyn L Bradbury Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
25,000
-33.16%
|
$1,500,000
$60.88 P/Share
|
|
Jul 01
2025
|
Robyn L Bradbury Chief Financial Officer |
BUY
Conversion of derivative security
|
Direct |
24,957
+42.65%
|
-
|
|
Jul 01
2025
|
Robyn L Bradbury Chief Financial Officer |
BUY
Other acquisition or disposition
|
Direct |
43
+0.5%
|
-
|
|
Jul 01
2025
|
Robyn L Bradbury Chief Financial Officer |
SELL
Other acquisition or disposition
|
Indirect |
43
-66.15%
|
-
|