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Core & Main Inc (CNM) Insider Trading

Total insider buys:
  • $0.00
Total insider sells:
  • $5,587,921,343.66
Most recent insider trade:
  • July 22, 2025
Most active insider trader:
  • Mark G Whittenburg
Trader NameDateTitleAmountPriceTypeTotal Value
Nov. 15, 2023Major Shareholder2,850,000$30.44Sell$86,754,000.00
Nov. 15, 2023CFO40,000$34.01Sell$1,360,400.00
Nov. 15, 2023VP12,500$33.56Sell$419,500.00
Nov. 14, 2023President25,000$33.05Sell$826,250.00
Nov. 9, 2023Major Shareholder22,125,728$30.44Sell$673,507,160.32
Nov. 9, 2023CFO20,000$32.10Sell$642,000.00
Oct. 30, 2023Director2,610$30.00Sell$78,300.00
Oct. 12, 2023President50,000$31.94Sell$1,597,000.00
Oct. 11, 2023VP11,800$31.04Sell$366,272.00
Oct. 4, 2023CFO20,000$30.02Sell$600,400.00
Sept. 25, 2023CFO40,000$28.44Sell$1,137,600.00
Sept. 25, 2023Director12,500$28.35Sell$354,375.00
Sept. 19, 2023Major Shareholder21,125,728$29.01Sell$612,857,369.28
July 13, 2023President25,000$31.96Sell$799,000.00
June 27, 2023Insider49,904$30.03Sell$1,498,617.12
June 12, 2023Major Shareholder17,125,728$28.21Sell$483,116,786.88
June 6, 2023President24,889$28.10Sell$699,380.90
June 6, 2023Insider50,000$28.28Sell$1,414,000.00
June 6, 2023CEO4,288$28.76Sell$123,322.88
May 18, 2023VP29,998$27.31Sell$819,245.38
May 18, 2023President25,000$27.31Sell$682,750.00
May 3, 2023President30,000$27.04Sell$811,200.00
May 2, 2023VP12,500$26.53Sell$331,625.00
May 1, 2023President5,399$26.10Sell$140,913.90
April 27, 2023VP31,175$26.01Sell$810,861.75
April 27, 2023Insider32,599$26.01Sell$847,899.99
April 24, 2023President14,712$26.01Sell$382,659.12
April 24, 2023Insider17,401$26.01Sell$452,600.01
April 24, 2023VP18,827$26.01Sell$489,690.27
April 14, 2023Major Shareholder14,377,183$22.15Sell$318,454,603.45
April 13, 2023VP25,000$25.03Sell$625,750.00
April 13, 2023CEO40,000$24.91Sell$996,400.00
April 13, 2023Director10,000$25.01Sell$250,100.00
April 13, 2023General Counsel31,204$25.06Sell$781,972.24
March 3, 2023Insider66,763$24.03Sell$1,604,314.89
March 3, 2023General Counsel31,204$24.02Sell$749,520.08
Feb. 24, 2023General Counsel24,793$23.04Sell$571,230.72
Feb. 17, 2023General Counsel6,411$23.06Sell$147,837.66
Sept. 19, 2022Major Shareholder11,000,000$23.53Sell$258,830,000.00
Sept. 9, 2022General Counsel19,729$24.78Sell$488,884.62
Aug. 25, 2022Insider33,333$25.08Sell$835,991.64
Aug. 18, 2022General Counsel5,296$24.78Sell$131,234.88
Aug. 18, 2022CEO14,730$24.54Sell$361,474.20
Aug. 16, 2022CEO25,270$24.61Sell$621,894.70
Aug. 16, 2022General Counsel6,179$24.79Sell$153,177.41
May 27, 2022VP30,000$25.04Sell$751,200.00
May 16, 2022VP2,600$22.12Sell$57,512.00
Jan. 10, 2022Major Shareholder20,000,000$25.12Sell$502,400,000.00
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  • Insiders are selling Core & Main Inc stock.

  • The insider traders at Core & Main Inc are: Mark G Whittenburg, John Weldon Stephens, Bradford A Cowles, Cd&R Investment Associates X,, Stephen O Leclair, Laura K Schneider, Jeffrey D Giles, Mark R Witkowski, Orvin T Kimbrough, James G Castellano, John R Schaller, Robyn L Bradbury, and Margaret Newman

  • The most active insider trader at Core & Main Inc is Mark G Whittenburg with 13 trades.

  • Cd&R Investment Associates X, has sold the most Core & Main Inc stock with a total value of $6,401,996,561.81.

  • The most recent insider trade for Core & Main Inc was on July 22, 2025.

  • The single biggest insider sell for Core & Main Inc was from Cd&R Investment Associates X, with a total value of $938,762,258.70 on Jan. 25, 2024.