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sellWeak10b5-1 plan

Robyn L Bradbury sold $263k of CNM

Chief Financial Officer at Core & Main, Inc.. 5,000 shares at an average of $52.54, traded Apr 17, 2026, filed Apr 21, 2026.

Warning score
25
Value
$263k
5,000 shares
Holdings after
12,500
-29% from before
From 52-week low
+15%
low $44.29, close $50.79
From 52-week high
-24%
high $66.98, as of Apr 17, 2026

Score components

  • Role
    CFO
    +22
  • Trade size
    $263k at market
    +13
  • Share of holdings sold
    Sold 29% of holdings
    +10
  • Cluster
    No other insider selling within 14 days
    0
  • 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.

This signal so far: 1m -5.2%, 3m -12.8%, 6m -.

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 Apr 21, 2026: -18.9%SPY +11.1% · excess -29.9%

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 0002060011-26-000002, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 17, 2026CConversion
Class A Common Stock10b5-1
+5,000$0.00$017,500Apr 21, 2026
Apr 17, 2026SOpen-market sale
Class A Common Stock10b5-1
-1,647$51.94$86k15,853Apr 21, 2026
Apr 17, 2026SOpen-market sale
Class A Common Stock10b5-1
-3,353$52.84$177k12,500Apr 21, 2026
Apr 17, 2026JOther
Class B Common Stock and Limited Partnership Interestsderivativeindirect: By LLC10b5-1
-5,000$0.00$0152,447Apr 21, 2026
Apr 17, 2026JOther
Class B Common Stock and Limited Partnership Interestsderivative10b5-1
+5,000$0.00$05,000Apr 21, 2026
Apr 17, 2026CConversion
Class B Common Stock and Limited Partnership Interestsderivative10b5-1
-5,000$0.00$00Apr 21, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
54Moderate
CNMbuy
Core & Main, Inc.
James D Hope
director
$95k
2,067 shares
+21%
35Weak
CNMbuy
Core & Main, Inc.
James D Hope
director
$100k
1,972 shares
+40%
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%
55Moderate
CNMsell 410b5-1
Core & Main, Inc.
James G Castellano
director
$2.7M
43,994 shares
-100%
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%

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.

Robyn L Bradbury sold $263k of CNM | InsiderTell