MW
Insider
Mark R Witkowski
Chief Executive OfficerMark R Witkowski (Chief Executive Officer) filed 2 Form 4 reports in the past 24 months (0 purchases, 2 sales), most often in Core & Main, Inc. (CNM). The largest single filing was $6.4M of CNM (100,000 sh × $64.08, as filed), executed Aug 18 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
2
0 buys · 2 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$12.5M
shares × price, as filed
Last traded
Aug 18 2025
Filed Aug 20 2025
Median ADV $105.2M across their filed names
Open performance→Volume by month
Buys $0
Sells $12.5M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Industrials
2 filings
Sector per market data · by filing · past 24 months
Most traded names
CNMRecent filings
CNMSALE
Core & Main, Inc.
View filing →
$6.4M100,000 sh × $64.08
Exec Aug 18 2025
Filed Aug 20 2025 · 5:30 PM ET CNMSALE Core & Main, Inc. View filing → $6.1M
100,000 sh across 2 lots
Exec Jul 17 2025
Filed Jul 21 2025 · 5:30 PM ET