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sellWeak10b5-1 plan

William Bradley Southern sold $3.8M of LPX

Chief Executive Officer at LOUISIANA-PACIFIC CORP. 43,832 shares at an average of $86.22, traded Dec 15, 2025, filed Dec 17, 2025.

Warning score
30
Value
$3.8M
43,832 shares
Holdings after
558,590
-7% from before
From 52-week low
+15%
low $73.72, close $84.89
From 52-week high
-26%
high $115.33, as of Dec 15, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $3.8M at market
    +25
  • Share of holdings sold
    Sold 7.3% of holdings
    0
  • 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.

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.

LPXOct 9, 2026 · close 65.69
Since filing Dec 17, 2025: -21.3%SPY +17.2% · excess -38.5%

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 0001193125-25-322396, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 15, 2025SOpen-market sale
Common Stock10b5-1
-42,514$86.25$3.7M559,908Dec 17, 2025
Dec 16, 2025SOpen-market sale
Common Stock10b5-1
-1,217$85.33$104k558,691Dec 17, 2025
Dec 16, 2025SOpen-market sale
Common Stock10b5-1
-101$86.04$8,690558,590Dec 17, 2025

Related signals

Other insiders at LOUISIANA-PACIFIC CORP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
25Weak
LPXsell
LOUISIANA-PACIFIC CORP
Lizanne M Bruce
director
$102k
1,300 shares
-7%
54Moderate
LPXbuy
LOUISIANA-PACIFIC CORP
F Nicholas Grasberger III
director
$1.7M
20,000 shares
+106%
49Moderate
LPXbuy
LOUISIANA-PACIFIC CORP
Stephen E. Macadam
director
$250k
3,200 shares
+8%
22Weak
LPXsell
LOUISIANA-PACIFIC CORP
Ozey K Horton Jr
director
$51k
500 shares
-2%
25Weak
LPXsell
LOUISIANA-PACIFIC CORP
Lizanne M Bruce
director
$106k
1,179 shares
-6%
14Weak
LPXsell10b5-1
LOUISIANA-PACIFIC CORP
Lizanne M Bruce
director
$284k
2,500 shares
-12%
21Weak
LPXsell
LOUISIANA-PACIFIC CORP
Ozey K Horton Jr
director
$34k
300 shares
-1%

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.

William Bradley Southern sold $3.8M of LPX | InsiderTell