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sellModerate cluster of 410b5-1 plan

James G Castellano sold $2.7M of CNM

director at Core & Main, Inc.. 43,994 shares at an average of $61.98, traded Jul 18, 2025, filed Jul 21, 2025.

Warning score
55
Value
$2.7M
43,994 shares
Holdings after
0
-100% from before
From 52-week low
+60%
low $38.80, close $62.00
From 52-week high
-1%
high $62.41, as of Jul 18, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $2.7M at market
    +25
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    4 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

CNMOct 9, 2026 · close 40.35
Since filing Jul 21, 2025: -35.9%SPY +25.5% · excess -61.4%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001856525-25-000154, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 18, 2025CConversion
Class A Common Stockindirect: By Trust10b5-1
+34,674$0.00$043,994Jul 21, 2025
Jul 18, 2025SOpen-market sale
Class A Common Stockindirect: By Trust10b5-1
-43,994$61.98$2.7M0Jul 21, 2025
Jul 18, 2025JOther
Class B Common Stock and Limited Partnership Interestsderivativeindirect: By LLC10b5-1
-34,674$0.00$0158,946Jul 21, 2025
Jul 18, 2025JOther
Class B Common Stock and Limited Partnership Interestsderivativeindirect: By Trust10b5-1
+34,674$0.00$034,674Jul 21, 2025
Jul 18, 2025CConversion
Class B Common Stock and Limited Partnership Interestsderivativeindirect: By Trust10b5-1
-34,674$0.00$00Jul 21, 2025

Related signals

Other insiders at Core & Main, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
50Moderate
CNMsell10b5-1
Core & Main, Inc.
Mark R Witkowski
Chief Executive Officer
$6.4M
100,000 shares
-74%
41Moderate
CNMsell 410b5-1
Core & Main, Inc.
Robyn L Bradbury
Chief Financial Officer
$323k
5,000 shares
-37%
65Notable
CNMsell 510b5-1
Core & Main, Inc.
Mark R Witkowski
Chief Executive Officer
$6.1M
100,000 shares
-74%
55Moderate
CNMsell 410b5-1
Core & Main, Inc.
Orvin T Kimbrough
director
$1.5M
23,962 shares
-63%
65Notable
CNMsell 3
Core & Main, Inc.
Stephen O LeClair
Executive Chair
$7.8M
125,000 shares
-83%
55Moderate
CNMsell 210b5-1
Core & Main, Inc.
Robyn L Bradbury
Chief Financial Officer
$1.5M
25,000 shares
-75%
55Moderate
CNMsell 310b5-1
Core & Main, Inc.
Mark G Whittenburg
General Counsel and Secretary
$3.0M
50,000 shares
-472%
55Moderate
CNMsell 310b5-1
Core & Main, Inc.
Laura K Schneider
Chief Human Resources Officer
$2.6M
45,695 shares
-78%
24Weak
CNMsell 310b5-1
Core & Main, Inc.
John R Schaller
Executive Vice President
$539k
9,794 shares
-33%
40Moderate
CNMsell10b5-1
Core & Main, Inc.
John Weldon Stephens
Chief Accounting Officer
$2.2M
41,964 shares
-293%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

James G Castellano sold $2.7M of CNM | InsiderTell