Core & Main Inc. (CNM) - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Core & Main Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-07-06
Purchase
2026-07-08
5:36 pm
Core & Main Inc.CNMHope James D
Director
2,067$46.01$95,11111,805
(Direct)
View
2026-04-17
Sale
2026-04-21
5:45 pm
Core & Main Inc.CNMBradbury Robyn L
Chief Financial Officer
5,000$52.54$262,724169,969
(Indirect
Direct)
View
2026-04-07
Purchase
2026-04-09
4:47 pm
Core & Main Inc.CNMHope James D
Director
1,972$50.7$99,9716,939
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-08-04
Tax Withholding
2026-08-05
5:11 pm
N/A
N/A
Core & Main Inc.CNMHarper Carla D
Senior VP, Human Resources
242$46.3213,064
(Direct)
View
2026-07-22
Tax Withholding
2026-07-23
5:02 pm
N/A
N/A
Core & Main Inc.CNMHUEBERT MICHAEL G.
President
1,301$43.7524,036
(Direct)
View
2026-06-23
Option Award
2026-06-24
8:02 pm
N/A
N/A
Core & Main Inc.CNMCastellano James G
Director
2,799$07,437
(Direct)
View
2026-06-23
Option Award
2026-06-24
8:02 pm
N/A
N/A
Core & Main Inc.CNMNEWMAN MARGARET
Director
2,799$016,757
(Direct)
View
2026-06-23
Option Award
2026-06-24
8:02 pm
N/A
N/A
Core & Main Inc.CNMHardwick M Susan
Director
2,799$03,379
(Direct)
View
2026-06-23
Option Award
2026-06-24
8:01 pm
N/A
N/A
Core & Main Inc.CNMMAZZARELLA KATHLEEN M
Director
2,799$016,839
(Direct)
View
2026-06-23
Option Award
2026-06-24
8:01 pm
N/A
N/A
Core & Main Inc.CNMHope James D
Director
2,799$09,738
(Direct)
View
2026-06-23
Option Award
2026-06-24
8:01 pm
N/A
N/A
Core & Main Inc.CNMAmirthalingam Bhavani
Director
2,799$017,955
(Direct)
View
2026-06-23
Option Award
2026-06-24
8:01 pm
N/A
N/A
Core & Main Inc.CNMGipson Dennis G
Director
2,799$016,757
(Direct)
View
2026-06-23
Option Award
2026-06-24
8:01 pm
N/A
N/A
Core & Main Inc.CNMKimbrough Orvin T
Director
2,799$016,760
(Direct)
View
2026-06-23
Option Award
2026-06-24
8:01 pm
N/A
N/A
Core & Main Inc.CNMBuck Robert M
Director
2,799$015,849
(Direct)
View
2026-06-22
Tax Withholding
2026-06-24
7:56 pm
N/A
N/A
Core & Main Inc.CNMHarper Carla D
Senior VP, Human Resources
568$47.2513,306
(Direct)
View
2026-04-17
Other
2026-04-21
5:45 pm
N/A
N/A
Core & Main Inc.CNMBradbury Robyn L
Chief Financial Officer
10,000$0169,969
(Indirect)
View
2026-04-17
Conversion
2026-04-21
5:45 pm
N/A
N/A
Core & Main Inc.CNMBradbury Robyn L
Chief Financial Officer
5,000$0169,969
(Direct)
View
2026-04-01
Option Award
2026-04-02
5:53 pm
N/A
N/A
Core & Main Inc.CNMHardwick M Susan
Director
580$0580
(Direct)
View

Ownership
2026-04-02
5:53 pm
N/A
N/A
Core & Main Inc.CNMBurkhardt Jackie M
General Counsel and CCO
0$058,979
(Direct)
View
2026-03-12
Option Award
2026-03-13
7:24 pm
N/A
2036-03-12
Core & Main Inc.CNMGiles Jeffrey D
EVP, Corporate Development
24,606$031,266
(Direct)
View
2026-03-11
Tax Withholding
2026-03-13
7:24 pm
N/A
N/A
Core & Main Inc.CNMWhittenburg Mark G
General Counsel and Secretary
331$49.168,525
(Direct)
View
2026-03-11
Tax Withholding
2026-03-13
7:24 pm
N/A
N/A
Core & Main Inc.CNMBradbury Robyn L
Chief Financial Officer
404$49.1647,010
(Direct)
View
2026-03-12
Option Award
2026-03-13
7:24 pm
N/A
2036-03-12
Core & Main Inc.CNMBradbury Robyn L
Chief Financial Officer
39,312$047,010
(Direct)
View
2026-03-11
Tax Withholding
2026-03-13
7:24 pm
N/A
N/A
Core & Main Inc.CNMWitkowski Mark R
Chief Executive Officer
1,685$49.16182,501
(Direct)
View
2026-03-12
Option Award
2026-03-13
7:24 pm
N/A
2036-03-12
Core & Main Inc.CNMWitkowski Mark R
Chief Executive Officer
149,754$0182,501
(Direct)
View
2026-03-11
Tax Withholding
2026-03-13
7:24 pm
N/A
N/A
Core & Main Inc.CNMCowles Bradford A
President
607$49.1676,167
(Direct)
View
2026-03-12
Option Award
2026-03-13
7:24 pm
N/A
2036-03-12
Core & Main Inc.CNMCowles Bradford A
President
57,762$076,167
(Direct)
View
2026-03-11
Tax Withholding
2026-03-13
7:23 pm
N/A
N/A
Core & Main Inc.CNMStephens John Weldon
Chief Accounting Officer
107$49.1624,058
(Direct)
View
2026-03-12
Option Award
2026-03-13
7:23 pm
N/A
2036-03-12
Core & Main Inc.CNMStephens John Weldon
Chief Accounting Officer
7,620$024,058
(Direct)
View
2026-03-11
Tax Withholding
2026-03-13
7:23 pm
N/A
N/A
Core & Main Inc.CNMHUEBERT MICHAEL G.
President
447$49.1662,876
(Direct)
View
2026-03-12
Option Award
2026-03-13
7:23 pm
N/A
2036-03-12
Core & Main Inc.CNMHUEBERT MICHAEL G.
President
48,039$062,876
(Direct)
View
2026-03-11
Tax Withholding
2026-03-13
7:23 pm
N/A
N/A
Core & Main Inc.CNMHarper Carla D
Senior VP, Human Resources
89$49.1631,472
(Direct)
View
2026-03-12
Option Award
2026-03-13
7:23 pm
N/A
2036-03-12
Core & Main Inc.CNMHarper Carla D
Senior VP, Human Resources
20,061$031,472
(Direct)
View
2026-03-10
Tax Withholding
2026-03-11
5:11 pm
N/A
N/A
Core & Main Inc.CNMWhittenburg Mark G
General Counsel and Secretary
557$49.388,856
(Direct)
View
2026-03-09
Tax Withholding
2026-03-11
5:11 pm
N/A
N/A
Core & Main Inc.CNMWhittenburg Mark G
General Counsel and Secretary
278$49.968,856
(Direct)
View
2026-03-10
Tax Withholding
2026-03-11
5:11 pm
N/A
N/A
Core & Main Inc.CNMHarper Carla D
Senior VP, Human Resources
189$49.3811,500
(Direct)
View
2026-03-09
Tax Withholding
2026-03-11
5:11 pm
N/A
N/A
Core & Main Inc.CNMHarper Carla D
Senior VP, Human Resources
77$49.9611,500
(Direct)
View
2026-03-10
Tax Withholding
2026-03-11
5:11 pm
N/A
N/A
Core & Main Inc.CNMStephens John Weldon
Chief Accounting Officer
198$49.3816,545
(Direct)
View
2026-03-09
Tax Withholding
2026-03-11
5:11 pm
N/A
N/A
Core & Main Inc.CNMStephens John Weldon
Chief Accounting Officer
94$49.9616,545
(Direct)
View
2026-03-09
Tax Withholding
2026-03-11
5:10 pm
N/A
N/A
Core & Main Inc.CNMHUEBERT MICHAEL G.
President
350$49.9615,284
(Direct)
View
2026-03-10
Tax Withholding
2026-03-11
5:10 pm
N/A
N/A
Core & Main Inc.CNMCowles Bradford A
President
741$49.3819,012
(Direct)
View
2026-03-09
Tax Withholding
2026-03-11
5:10 pm
N/A
N/A
Core & Main Inc.CNMCowles Bradford A
President
435$49.9619,012
(Direct)
View
2026-03-10
Tax Withholding
2026-03-11
5:10 pm
N/A
N/A
Core & Main Inc.CNMWitkowski Mark R
Chief Executive Officer
937$49.3834,432
(Direct)
View
2026-03-09
Tax Withholding
2026-03-11
5:10 pm
N/A
N/A
Core & Main Inc.CNMWitkowski Mark R
Chief Executive Officer
478$49.9634,432
(Direct)
View
2026-03-10
Tax Withholding
2026-03-11
5:10 pm
N/A
N/A
Core & Main Inc.CNMLeClair Stephen O
Executive Chair
3,081$49.3866,136
(Direct)
View
2026-03-09
Tax Withholding
2026-03-11
5:10 pm
N/A
N/A
Core & Main Inc.CNMLeClair Stephen O
Executive Chair
1,519$49.9666,136
(Direct)
View
2026-03-10
Tax Withholding
2026-03-11
5:10 pm
N/A
N/A
Core & Main Inc.CNMBradbury Robyn L
Chief Financial Officer
205$49.388,102
(Direct)
View
2026-03-09
Tax Withholding
2026-03-11
5:10 pm
N/A
N/A
Core & Main Inc.CNMBradbury Robyn L
Chief Financial Officer
270$49.968,102
(Direct)
View
2026-01-26
Option Award
2026-01-28
5:06 pm
N/A
2036-01-26
Core & Main Inc.CNMGiles Jeffrey D
EVP, Corporate Development
14,994$017,277
(Direct)
View

Ownership
2026-01-28
5:06 pm
N/A
N/A
Core & Main Inc.CNMGiles Jeffrey D
EVP, Corporate Development
0$0152,460
(Direct)
View
2025-12-31
Gift
2026-01-02
6:13 pm
N/A
N/A
Core & Main Inc.CNMWhittenburg Mark G
General Counsel and Secretary
25,500$0227,312
(Indirect)
View
2025-09-12
Exercise
2025-09-16
5:08 pm
N/A
N/A
Core & Main Inc.CNMStephens John Weldon
Chief Accounting Officer
12,717$20.8116,837
(Direct)
View
2025-09-12
Exercise
2025-09-16
5:08 pm
N/A
2032-03-10
Core & Main Inc.CNMStephens John Weldon
Chief Accounting Officer
12,717$016,837
(Direct)
View
2025-09-03
Option Award
2025-09-05
4:18 pm
N/A
N/A
Core & Main Inc.CNMHarper Carla D
Senior VP, Human Resources
2,091$011,766
(Direct)
View

Ownership
2025-09-05
4:17 pm
N/A
N/A
Core & Main Inc.CNMHarper Carla D
Senior VP, Human Resources
0$025,479
(Direct)
View
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