NYSE:CNM | Insider Transactions | Core & Main, Inc.

CNM Insider Transactions

542 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.

CNM insiders transaction timeline

PurchaseSale
2022-01-10: 32 sales — Core & Main Management Feeder, LLC, CD&R Investment Associates X, Ltd., CD&R Waterworks Holdings, L.P. and 5 more2022-05-16: 1 sale — Giles Jeffrey D2022-05-17: 1 sale — Giles Jeffrey D2022-05-27: 1 sale — Giles Jeffrey D2022-08-16: 2 sales — Whittenburg Mark G, LeClair Stephen O2022-08-18: 2 sales — Whittenburg Mark G, LeClair Stephen O2022-08-25: 1 sale — Schneider Laura K2022-09-09: 1 sale — Whittenburg Mark G2022-09-19: 28 sales — CD&R Investment Associates X, Ltd., CD&R Waterworks Holdings, L.P., CD&R Waterworks Holdings GP, Ltd. and 4 more2023-02-17: 1 sale — Whittenburg Mark G2023-02-24: 1 sale — Whittenburg Mark G2023-03-03: 2 sales — Whittenburg Mark G, Schneider Laura K2023-04-13: 4 sales — Whittenburg Mark G, Stephens John Weldon, LeClair Stephen O and 1 more2023-04-14: 49 sales — CD&R Investment Associates X, Ltd., CD&R Waterworks Holdings, L.P., CD&R Waterworks Holdings GP, Ltd. and 4 more2023-04-24: 3 sales — Schneider Laura K, Giles Jeffrey D, Cowles Bradford A2023-04-27: 2 sales — Schneider Laura K, Giles Jeffrey D2023-05-01: 1 sale — Cowles Bradford A2023-05-02: 1 sale — Stephens John Weldon2023-05-03: 2 sales — Kimbrough Orvin T, Cowles Bradford A2023-05-18: 2 sales — Cowles Bradford A, Giles Jeffrey D2023-06-06: 3 sales — Schneider Laura K, LeClair Stephen O, Cowles Bradford A2023-06-07: 1 sale — LeClair Stephen O2023-06-12: 49 sales — CD&R Investment Associates X, Ltd., CD&R Waterworks Holdings, L.P., CD&R Waterworks Holdings GP, Ltd. and 4 more2023-06-27: 1 sale — Schneider Laura K2023-07-13: 1 sale — Schaller John R2023-08-29: 1 sale — Schaller John R2023-09-19: 49 sales — CD&R Investment Associates X, Ltd., CD&R Waterworks Holdings, L.P., CD&R Waterworks Holdings GP, Ltd. and 4 more2023-09-25: 2 sales — Castellano James G, Witkowski Mark R2023-10-04: 1 sale — Witkowski Mark R2023-10-10: 1 sale — Stephens John Weldon2023-10-11: 1 sale — Stephens John Weldon2023-10-12: 1 sale — Cowles Bradford A2023-10-30: 1 sale — Castellano James G2023-10-31: 1 sale — Castellano James G2023-11-09: 50 sales — Witkowski Mark R, CD&R Investment Associates X, Ltd., CD&R Waterworks Holdings, L.P. and 5 more2023-11-14: 1 sale — Cowles Bradford A2023-11-15: 31 sales — Witkowski Mark R, Stephens John Weldon, Cowles Bradford A and 7 more2023-12-01: 1 sale — Stephens John Weldon2023-12-11: 49 sales — CD&R Investment Associates X, Ltd., CD&R Waterworks Holdings, L.P., CD&R Waterworks Holdings GP, Ltd. and 4 more2024-01-10: 49 sales — CD&R Investment Associates X, Ltd., CD&R Waterworks Holdings, L.P., CD&R Waterworks Holdings GP, Ltd. and 4 more2024-01-11: 3 sales — Schneider Laura K, LeClair Stephen O, Giles Jeffrey D2024-01-12: 1 sale — Kimbrough Orvin T2024-01-16: 1 sale — Schaller John R2024-01-25: 49 sales — CD&R Investment Associates X, Ltd., CD&R Waterworks Holdings, L.P., CD&R Waterworks Holdings GP, Ltd. and 4 more2024-02-12: 4 sales — LeClair Stephen O, Giles Jeffrey D, Schneider Laura K and 1 more2024-02-16: 1 sale — Kimbrough Orvin T2024-02-21: 1 sale — Kimbrough Orvin T2024-02-22: 1 sale — Kimbrough Orvin T2024-03-04: 1 sale — Stephens John Weldon2024-03-07: 1 sale — Stephens John Weldon2024-03-22: 2 sales — Whittenburg Mark G, Stephens John Weldon2024-04-08: 1 sale — Witkowski Mark R2024-04-19: 2 sales — Whittenburg Mark G, Stephens John Weldon2024-04-23: 1 sale — Stephens John Weldon2024-05-08: 1 sale — Witkowski Mark R2024-07-10: 1 sale — Castellano James G2024-07-11: 1 sale — Castellano James G2024-07-15: 1 sale — Castellano James G2024-07-16: 1 sale — Gipson Dennis G2024-12-03: 4 sales — Giles Jeffrey D, Cowles Bradford A, NEWMAN MARGARET and 1 more2025-01-10: 5 sales — Whittenburg Mark G, Schaller John R, Cowles Bradford A2025-01-14: 1 sale — Cowles Bradford A2025-01-15: 1 sale — Whittenburg Mark G2025-01-16: 1 sale — Whittenburg Mark G2025-02-10: 1 sale — Cowles Bradford A2025-03-10: 1 sale — Schaller John R2025-03-11: 1 sale — Schaller John R2025-04-02: 1 sale — Stephens John Weldon2025-04-28: 1 sale — Stephens John Weldon2025-04-29: 1 sale — Stephens John Weldon2025-05-28: 1 sale — Schaller John R2025-06-03: 1 sale — Schneider Laura K2025-06-06: 1 sale — Whittenburg Mark G2025-06-09: 1 sale — Whittenburg Mark G2025-07-01: 3 sales — Bradbury Robyn L2025-07-03: 1 sale — LeClair Stephen O2025-07-07: 1 sale — LeClair Stephen O2025-07-17: 2 sales — Witkowski Mark R2025-07-18: 2 sales — Castellano James G, Kimbrough Orvin T2025-07-22: 1 sale — Bradbury Robyn L2025-08-18: 1 sale — Witkowski Mark R2026-04-07: 1 purchase — Hope James D2026-04-17: 2 sales — Bradbury Robyn L2026-07-06: 1 purchase — Hope James D2022-01-102026-07-06
Insider profileRoleDateTransactionSharesPrice
Hope James DDirector2026-07-06Purchase2,067$46.014
Bradbury Robyn LChief Financial Officer2026-04-17Sale3,353.0$52.84
Bradbury Robyn LChief Financial Officer2026-04-17Sale1,647.0$51.94
Hope James DDirector2026-04-07Purchase1,972.0$50.7
Witkowski Mark RChief Executive Officer2025-08-18Sale100,000.0$64.08
Bradbury Robyn LChief Financial Officer2025-07-22Sale5,000.0$64.51
Castellano James GDirector2025-07-18Sale43,994.0$61.98
Kimbrough Orvin TDirector2025-07-18Sale23,962.0$61.77
Witkowski Mark RChief Executive Officer2025-07-17Sale27,669.0$61.63
Witkowski Mark RChief Executive Officer2025-07-17Sale72,331.0$61.12
LeClair Stephen OExecutive Chair2025-07-07Sale44,972.0$61.91
LeClair Stephen OExecutive Chair2025-07-03Sale80,028.0$62.27
Bradbury Robyn LChief Financial Officer2025-07-01Sale319.0$61.58
Bradbury Robyn LChief Financial Officer2025-07-01Sale11,318.0$61.08
Bradbury Robyn LChief Financial Officer2025-07-01Sale13,363.0$59.97
Whittenburg Mark GGeneral Counsel and Secretary2025-06-09Sale49,100.0$60.03
Whittenburg Mark GGeneral Counsel and Secretary2025-06-06Sale900.0$60.03
Schneider Laura KChief Human Resources Officer2025-06-03Sale45,695.0$56.25
Schaller John RExecutive Vice President2025-05-28Sale9,794.0$55.0
Stephens John WeldonChief Accounting Officer2025-04-29Sale31,750.0$53.03
Stephens John WeldonChief Accounting Officer2025-04-28Sale10,214.0$53.02
Stephens John WeldonChief Accounting Officer2025-04-02Sale41,963.0$50.48
Schaller John RExecutive Vice President2025-03-11Sale19,292.0$45.0
Schaller John RExecutive Vice President2025-03-10Sale21,868.0$46.82
Cowles Bradford APresident2025-02-10Sale25,000.0$54.48
Whittenburg Mark GGeneral Counsel and Secretary2025-01-16Sale48,026.0$55.13
Whittenburg Mark GGeneral Counsel and Secretary2025-01-15Sale1,974.0$55.29
Cowles Bradford APresident2025-01-14Sale12,500.0$54.07
Whittenburg Mark GGeneral Counsel and Secretary2025-01-10Sale50,000.0$50.49
Schaller John RExecutive Vice President2025-01-10Sale21,868.0$50.56
Schaller John RExecutive Vice President2025-01-10Sale600.0$51.41
Schaller John RExecutive Vice President2025-01-10Sale37,984.0$50.56
Cowles Bradford APresident2025-01-10Sale12,500.0$50.5
Giles Jeffrey DEVP, Corporate Department2024-12-03Sale25,000.0$54.71
Cowles Bradford APresident2024-12-03Sale50,000.0$55.07
NEWMAN MARGARETDirector2024-12-03Sale15,000.0$55.25
LeClair Stephen OChief Executive Officer2024-12-03Sale200,000.0$54.88
Gipson Dennis GDirector2024-07-16Sale25,000.0$53.08
Castellano James GDirector2024-07-15Sale12,500.0$52.22
Castellano James GDirector2024-07-11Sale12,300.0$50.7
Castellano James GDirector2024-07-10Sale200.0$50.01
Witkowski Mark RChief Financial Officer2024-05-08Sale50,000.0$59.5
Stephens John WeldonChief Accounting Officer2024-04-23Sale9,497.0$55.19
Whittenburg Mark GGeneral Counsel and Secretary2024-04-19Sale50,000.0$54.08
Stephens John WeldonChief Accounting Officer2024-04-19Sale5,503.0$54.23
Witkowski Mark RChief Financial Officer2024-04-08Sale50,000.0$58.51
Whittenburg Mark GGeneral Counsel and Secretary2024-03-22Sale50,000.0$57.91
Stephens John WeldonChief Accounting Officer2024-03-22Sale15,000.0$57.91
Stephens John WeldonVP, Corp. Controller2024-03-07Sale43,900.0$50.02
Stephens John WeldonVP, Corp. Controller2024-03-04Sale1,100.0$50.02
Kimbrough Orvin TDirector2024-02-22Sale9,500.0$45.28
Kimbrough Orvin TDirector2024-02-21Sale313.0$45.0
Kimbrough Orvin TDirector2024-02-16Sale187.0$45.0
LeClair Stephen OChief Executive Officer2024-02-12Sale150,000.0$44.14
Giles Jeffrey DVP, Corporate Department2024-02-12Sale40,000.0$44.14
Schneider Laura KChief Human Resources Officer2024-02-12Sale100,000.0$44.14
Kimbrough Orvin TDirector2024-02-12Sale5,000.0$44.17
CD&R Investment Associates X, Ltd.TenPercentOwner2024-01-25Sale256,442.0$40.99
CD&R Waterworks Holdings, L.P.TenPercentOwner2024-01-25Sale256,442.0$40.99
CD&R Waterworks Holdings GP, Ltd.TenPercentOwner2024-01-25Sale256,442.0$40.99
CD&R Fund X-A Waterworks B, L.P.TenPercentOwner2024-01-25Sale256,442.0$40.99
CD&R Fund X Waterworks B1, L.P.TenPercentOwner2024-01-25Sale256,442.0$40.99
CD&R Fund X Advisor Waterworks B, L.P.TenPercentOwner2024-01-25Sale256,442.0$40.99
CD&R Waterworks Holdings, LLCTenPercentOwner2024-01-25Sale256,442.0$40.99
CD&R Investment Associates X, Ltd.TenPercentOwner2024-01-25Sale2,850,243.0$40.99
CD&R Waterworks Holdings, L.P.TenPercentOwner2024-01-25Sale2,850,243.0$40.99
CD&R Waterworks Holdings GP, Ltd.TenPercentOwner2024-01-25Sale2,850,243.0$40.99
CD&R Fund X-A Waterworks B, L.P.TenPercentOwner2024-01-25Sale2,850,243.0$40.99
CD&R Fund X Waterworks B1, L.P.TenPercentOwner2024-01-25Sale2,850,243.0$40.99
CD&R Fund X Advisor Waterworks B, L.P.TenPercentOwner2024-01-25Sale2,850,243.0$40.99
CD&R Waterworks Holdings, LLCTenPercentOwner2024-01-25Sale2,850,243.0$40.99
CD&R Investment Associates X, Ltd.TenPercentOwner2024-01-25Sale19,043.0$40.99
CD&R Waterworks Holdings, L.P.TenPercentOwner2024-01-25Sale19,043.0$40.99
CD&R Waterworks Holdings GP, Ltd.TenPercentOwner2024-01-25Sale19,043.0$40.99
CD&R Fund X-A Waterworks B, L.P.TenPercentOwner2024-01-25Sale19,043.0$40.99
CD&R Fund X Waterworks B1, L.P.TenPercentOwner2024-01-25Sale19,043.0$40.99
CD&R Fund X Advisor Waterworks B, L.P.TenPercentOwner2024-01-25Sale19,043.0$40.99
CD&R Waterworks Holdings, LLCTenPercentOwner2024-01-25Sale19,043.0$40.99
CD&R Investment Associates X, Ltd.TenPercentOwner2024-01-25Sale7,415,404.0$40.99
CD&R Waterworks Holdings, L.P.TenPercentOwner2024-01-25Sale7,415,404.0$40.99
CD&R Waterworks Holdings GP, Ltd.TenPercentOwner2024-01-25Sale7,415,404.0$40.99
CD&R Fund X-A Waterworks B, L.P.TenPercentOwner2024-01-25Sale7,415,404.0$40.99
CD&R Fund X Waterworks B1, L.P.TenPercentOwner2024-01-25Sale7,415,404.0$40.99
CD&R Fund X Advisor Waterworks B, L.P.TenPercentOwner2024-01-25Sale7,415,404.0$40.99
CD&R Waterworks Holdings, LLCTenPercentOwner2024-01-25Sale7,415,404.0$40.99
CD&R Investment Associates X, Ltd.TenPercentOwner2024-01-25Sale1,014,587.0$40.99
CD&R Waterworks Holdings, L.P.TenPercentOwner2024-01-25Sale1,014,587.0$40.99
CD&R Waterworks Holdings GP, Ltd.TenPercentOwner2024-01-25Sale1,014,587.0$40.99
CD&R Fund X-A Waterworks B, L.P.TenPercentOwner2024-01-25Sale1,014,587.0$40.99
CD&R Fund X Waterworks B1, L.P.TenPercentOwner2024-01-25Sale1,014,587.0$40.99
CD&R Fund X Advisor Waterworks B, L.P.TenPercentOwner2024-01-25Sale1,014,587.0$40.99
CD&R Waterworks Holdings, LLCTenPercentOwner2024-01-25Sale1,014,587.0$40.99
CD&R Investment Associates X, Ltd.TenPercentOwner2024-01-25Sale11,276,753.0$40.99
CD&R Waterworks Holdings, L.P.TenPercentOwner2024-01-25Sale11,276,753.0$40.99
CD&R Waterworks Holdings GP, Ltd.TenPercentOwner2024-01-25Sale11,276,753.0$40.99
CD&R Fund X-A Waterworks B, L.P.TenPercentOwner2024-01-25Sale11,276,753.0$40.99
CD&R Fund X Waterworks B1, L.P.TenPercentOwner2024-01-25Sale11,276,753.0$40.99
CD&R Fund X Advisor Waterworks B, L.P.TenPercentOwner2024-01-25Sale11,276,753.0$40.99
CD&R Waterworks Holdings, LLCTenPercentOwner2024-01-25Sale11,276,753.0$40.99
CD&R Investment Associates X, Ltd.TenPercentOwner2024-01-25Sale75,343.0$40.99