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

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
Company Symbol Insider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2025-07-22
Sale
2025-07-23
5:18 pm
Core & Main Inc. CNM Bradbury Robyn L
Chief Financial Officer
5,000 $64.51 $322,551 171,024
(Indirect
Direct)
View
2025-07-18
Sale
2025-07-21
6:42 pm
Core & Main Inc. CNM Castellano James G
Director
43,994 $61.98 $2,726,783 198,258
(Indirect
Direct)
View
2025-07-18
Sale
2025-07-21
5:38 pm
Core & Main Inc. CNM Kimbrough Orvin T
Director
23,962 $61.77 $1,480,094 96,384
(Indirect
Direct)
View
2025-07-17
Sale
2025-07-21
5:37 pm
Core & Main Inc. CNM Witkowski Mark R
Chief Executive Officer
100,000 $61.26 $6,126,388 852,097
(Indirect
Direct)
View
2025-07-03
Sale
2025-07-08
6:06 pm
Core & Main Inc. CNM LeClair Stephen O
Executive Chair
125,000 $62.14 $7,767,601 387,462
(Direct)
View
2025-07-01
Sale
2025-07-03
6:50 pm
Core & Main Inc. CNM Bradbury Robyn L
Chief Financial Officer
25,000 $60.49 $1,512,283 196,067
(Indirect
Direct)
View
2025-06-06
Sale
2025-06-10
7:23 pm
Core & Main Inc. CNM Whittenburg Mark G
General Counsel and Secretary
50,000 $60.03 $3,001,255 614,415
(Indirect
Direct)
View
2025-06-03
Sale
2025-06-05
5:38 pm
Core & Main Inc. CNM Schneider Laura K
Chief Human Resources Officer
45,695 $56.25 $2,570,293 1,000,729
(Indirect
Direct)
View
2025-05-28
Sale
2025-05-30
5:32 pm
Core & Main Inc. CNM Schaller John R
Executive Vice President
9,794 $55 $538,670 39,277
(Direct)
View
2025-04-28
Sale
2025-04-30
4:49 pm
Core & Main Inc. CNM Stephens John Weldon
Chief Accounting Officer
41,964 $53.03 $2,225,371 237,834
(Indirect
Direct)
View
2025-04-02
Sale
2025-04-04
4:28 pm
Core & Main Inc. CNM Stephens John Weldon
Chief Accounting Officer
41,963 $50.48 $2,118,460 294,096
(Indirect
Direct)
View
2025-03-11
Sale
2025-03-13
5:12 pm
Core & Main Inc. CNM Schaller John R
Executive Vice President
19,292 $45 $868,140 15,474
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
Company Symnbol Insider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2025-07-22
Tax Withholding
2025-07-23
5:21 pm
N/A
N/A
Core & Main Inc. CNM HUEBERT MICHAEL G.
President
1,337 $65.03 15,634
(Direct)
View
2025-07-22
Conversion
2025-07-23
5:18 pm
N/A
N/A
Core & Main Inc. CNM Bradbury Robyn L
Chief Financial Officer
5,000 $0 171,024
(Direct)
View
2025-07-22
Other
2025-07-23
5:18 pm
N/A
N/A
Core & Main Inc. CNM Bradbury Robyn L
Chief Financial Officer
10,000 $0 171,024
(Indirect)
View
2025-07-18
Conversion
2025-07-21
6:42 pm
N/A
N/A
Core & Main Inc. CNM Castellano James G
Director
34,674 $0 198,258
(Indirect)
View
2025-07-18
Other
2025-07-21
6:42 pm
N/A
N/A
Core & Main Inc. CNM Castellano James G
Director
69,348 $0 198,258
(Indirect)
View
2025-07-18
Conversion
2025-07-21
5:38 pm
N/A
N/A
Core & Main Inc. CNM Kimbrough Orvin T
Director
23,957 $0 96,384
(Direct)
View
2025-07-18
Tax Withholding
2025-07-21
5:38 pm
N/A
N/A
Core & Main Inc. CNM Kimbrough Orvin T
Director
1,038 $0 96,384
(Indirect)
View
2025-07-18
Other
2025-07-21
5:38 pm
N/A
N/A
Core & Main Inc. CNM Kimbrough Orvin T
Director
47,919 $0 96,384
(Indirect)
View
2025-07-17
Conversion
2025-07-21
5:37 pm
N/A
N/A
Core & Main Inc. CNM Witkowski Mark R
Chief Executive Officer
100,000 $0 852,097
(Direct)
View
2025-07-17
Other
2025-07-21
5:37 pm
N/A
N/A
Core & Main Inc. CNM Witkowski Mark R
Chief Executive Officer
200,000 $0 852,097
(Indirect)
View
2025-07-03
Exercise
2025-07-08
6:06 pm
N/A
2032-03-10
Core & Main Inc. CNM LeClair Stephen O
Executive Chair
125,000 $0 387,462
(Direct)
View
2025-07-03
Exercise
2025-07-08
6:06 pm
N/A
N/A
Core & Main Inc. CNM LeClair Stephen O
Executive Chair
125,000 $20.81 387,462
(Direct)
View
2025-07-01
Conversion
2025-07-03
6:50 pm
N/A
N/A
Core & Main Inc. CNM Bradbury Robyn L
Chief Financial Officer
24,957 $0 196,067
(Direct)
View
2025-07-01
Other
2025-07-03
6:50 pm
N/A
N/A
Core & Main Inc. CNM Bradbury Robyn L
Chief Financial Officer
49,957 $0 196,067
(Indirect)
View
2025-06-24
Option Award
2025-06-26
4:29 pm
N/A
N/A
Core & Main Inc. CNM Castellano James G
Director
2,189 $0 13,958
(Direct)
View
2025-06-24
Option Award
2025-06-26
4:29 pm
N/A
N/A
Core & Main Inc. CNM NEWMAN MARGARET
Director
2,189 $0 13,958
(Direct)
View
2025-06-24
Option Award
2025-06-26
4:29 pm
N/A
N/A
Core & Main Inc. CNM Gipson Dennis G
Director
2,189 $0 13,958
(Direct)
View
2025-06-24
Option Award
2025-06-26
4:29 pm
N/A
N/A
Core & Main Inc. CNM Kimbrough Orvin T
Director
2,189 $0 13,966
(Direct)
View
2025-06-24
Option Award
2025-06-26
4:29 pm
N/A
N/A
Core & Main Inc. CNM Buck Robert M
Director
2,189 $0 13,050
(Direct)
View
2025-06-24
Option Award
2025-06-26
4:29 pm
N/A
N/A
Core & Main Inc. CNM Amirthalingam Bhavani
Director
2,189 $0 15,156
(Direct)
View
2025-06-24
Option Award
2025-06-26
4:28 pm
N/A
N/A
Core & Main Inc. CNM Hope James D
Director
2,189 $0 4,967
(Direct)
View
2025-06-24
Option Award
2025-06-26
4:27 pm
N/A
N/A
Core & Main Inc. CNM MAZZARELLA KATHLEEN M
Director
2,189 $0 14,040
(Direct)
View
2025-06-06
Conversion
2025-06-10
7:23 pm
N/A
N/A
Core & Main Inc. CNM Whittenburg Mark G
General Counsel and Secretary
50,000 $0 614,415
(Direct)
View
2025-06-06
Other
2025-06-10
7:23 pm
N/A
N/A
Core & Main Inc. CNM Whittenburg Mark G
General Counsel and Secretary
100,000 $0 614,415
(Indirect)
View
2025-06-03
Conversion
2025-06-05
5:38 pm
N/A
N/A
Core & Main Inc. CNM Schneider Laura K
Chief Human Resources Officer
45,695 $0 1,000,729
(Direct)
View
2025-06-03
Tax Withholding
2025-06-05
5:38 pm
N/A
N/A
Core & Main Inc. CNM Schneider Laura K
Chief Human Resources Officer
4,305 $0 1,000,729
(Indirect)
View
2025-06-03
Other
2025-06-05
5:38 pm
N/A
N/A
Core & Main Inc. CNM Schneider Laura K
Chief Human Resources Officer
91,390 $0 1,000,729
(Indirect)
View
2025-05-28
Exercise
2025-05-30
5:32 pm
N/A
2034-03-07
Core & Main Inc. CNM Schaller John R
Executive Vice President
9,794 $0 39,277
(Direct)
View
2025-05-28
Exercise
2025-05-30
5:32 pm
N/A
N/A
Core & Main Inc. CNM Schaller John R
Executive Vice President
9,794 $50.12 39,277
(Direct)
View
2025-04-28
Conversion
2025-04-30
4:49 pm
N/A
N/A
Core & Main Inc. CNM Stephens John Weldon
Chief Accounting Officer
41,964 $0 237,834
(Direct)
View
2025-04-28
Other
2025-04-30
4:49 pm
N/A
N/A
Core & Main Inc. CNM Stephens John Weldon
Chief Accounting Officer
83,928 $0 237,834
(Indirect)
View
2025-04-17
Gift(A)
2025-04-22
7:38 pm
N/A
N/A
Core & Main Inc. CNM Castellano James G
Director
9,320 $0 11,769
(Direct)
View
2025-04-17
Gift
2025-04-21
5:05 pm
N/A
N/A
Core & Main Inc. CNM Castellano James G
Director
9,320 $0 11,769
(Direct)
View
2025-04-02
Conversion
2025-04-04
4:28 pm
N/A
N/A
Core & Main Inc. CNM Stephens John Weldon
Chief Accounting Officer
41,963 $0 294,096
(Direct)
View
2025-04-02
Tax Withholding
2025-04-04
4:28 pm
N/A
N/A
Core & Main Inc. CNM Stephens John Weldon
Chief Accounting Officer
4,085 $0 294,096
(Indirect)
View
2025-04-02
Other
2025-04-04
4:28 pm
N/A
N/A
Core & Main Inc. CNM Stephens John Weldon
Chief Accounting Officer
83,926 $0 294,096
(Indirect)
View
2025-03-31
Option Award
2025-04-02
6:31 pm
N/A
2035-03-31
Core & Main Inc. CNM Bradbury Robyn L
Chief Financial Officer
24,105 $0 29,812
(Direct)
View
2025-03-31
Option Award
2025-04-02
6:31 pm
N/A
2035-03-31
Core & Main Inc. CNM Witkowski Mark R
Chief Executive Officer
83,550 $0 109,305
(Direct)
View

Ownership
2025-04-02
6:28 pm
N/A
N/A
Core & Main Inc. CNM Bradbury Robyn L
Chief Financial Officer
0 $0 221,305
(Indirect)
View
2025-03-13
Option Award
2025-03-17
8:50 pm
N/A
2035-03-13
Core & Main Inc. CNM Whittenburg Mark G
General Counsel and Secretary
28,239 $0 34,519
(Direct)
View
2025-03-13
Option Award
2025-03-17
8:50 pm
N/A
2035-03-13
Core & Main Inc. CNM Giles Jeffrey D
EVP, Corporate Department
24,720 $0 33,815
(Direct)
View
2025-03-13
Option Award
2025-03-17
8:49 pm
N/A
2035-03-13
Core & Main Inc. CNM Schneider Laura K
Chief Human Resources Officer
27,120 $0 36,717
(Direct)
View
2025-03-13
Option Award
2025-03-17
8:49 pm
N/A
2035-03-13
Core & Main Inc. CNM Witkowski Mark R
Chief Financial Officer
60,390 $0 78,849
(Direct)
View
2025-03-13
Option Award
2025-03-17
8:49 pm
N/A
2035-03-13
Core & Main Inc. CNM Cowles Bradford A
President
50,997 $0 65,023
(Direct)
View
2025-03-13
Option Award
2025-03-17
8:49 pm
N/A
2035-03-13
Core & Main Inc. CNM Schaller John R
Executive Vice President
34,893 $0 50,367
(Direct)
View
2025-03-13
Option Award
2025-03-17
8:49 pm
N/A
2035-03-13
Core & Main Inc. CNM Stephens John Weldon
Chief Accounting Officer
7,719 $0 10,906
(Direct)
View
2025-03-13
Option Award
2025-03-17
8:49 pm
N/A
2035-03-13
Core & Main Inc. CNM HUEBERT MICHAEL G.
President
37,188 $0 49,665
(Direct)
View
2025-03-11
Tax Withholding
2025-03-13
5:12 pm
N/A
N/A
Core & Main Inc. CNM Schneider Laura K
Chief Human Resources Officer
434 $46.55 9,597
(Direct)
View
2025-03-11
Tax Withholding
2025-03-13
5:12 pm
N/A
N/A
Core & Main Inc. CNM Cowles Bradford A
President
724 $46.55 14,026
(Direct)
View
2025-03-11
Exercise
2025-03-13
5:12 pm
N/A
2032-03-10
Core & Main Inc. CNM Schaller John R
Executive Vice President
19,292 $0 15,474
(Direct)
View
2025-03-11
Tax Withholding
2025-03-13
5:12 pm
N/A
N/A
Core & Main Inc. CNM Schaller John R
Executive Vice President
978 $46.55 15,474
(Direct)
View
2025-03-11
Exercise
2025-03-13
5:12 pm
N/A
N/A
Core & Main Inc. CNM Schaller John R
Executive Vice President
19,292 $20.81 15,474
(Direct)
View
2025-03-11
Tax Withholding
2025-03-13
5:12 pm
N/A
N/A
Core & Main Inc. CNM Giles Jeffrey D
EVP, Corporate Department
436 $46.55 9,095
(Direct)
View
2025-03-11
Tax Withholding
2025-03-13
5:12 pm
N/A
N/A
Core & Main Inc. CNM Stephens John Weldon
Chief Accounting Officer
200 $46.55 3,187
(Direct)
View
2025-03-11
Tax Withholding
2025-03-13
5:11 pm
N/A
N/A
Core & Main Inc. CNM Witkowski Mark R
Chief Financial Officer
925 $46.55 18,459
(Direct)
View
2025-03-11
Tax Withholding
2025-03-13
5:11 pm
N/A
N/A
Core & Main Inc. CNM Whittenburg Mark G
General Counsel and Secretary
510 $46.55 6,280
(Direct)
View
(A) Indicate amendment filing.
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