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sellNotable cluster of 2

David N Capobianco sold $94M of LB

director, owner at LandBridge Co LLC. 1,250,000 shares at an average of $75.05, traded Aug 7, 2026, filed Aug 11, 2026.

Warning score
68
Value
$94M
1,250,000 shares
Holdings after
0
-100% from before
From 52-week low
+71%
low $44.00, close $75.30
From 52-week high
-11%
high $85.02, as of Aug 7, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $93.8M at market
    +25
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    2 insiders selling within 14 days
    +8

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.

LBOct 9, 2026 · close 86.25
Since filing Aug 11, 2026: +2.9%SPY +1.3% · excess +1.6%

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 0001193125-26-345446, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 7, 2026JOther
Class B sharesindirect: See Footnote
-1,250,000$0.00$047,168,908Aug 11, 2026
Aug 7, 2026CConversion
Class A sharesindirect: See Footnote
+1,250,000$0.00$01,250,000Aug 11, 2026
Aug 7, 2026SOpen-market sale
Class A sharesindirect: See Footnote
-1,250,000$75.05$94M0Aug 11, 2026
Aug 7, 2026CConversion
DBR Land Holdings LLC Unitsderivativeindirect: See Footnote
-1,250,000$0.00$047,168,908Aug 11, 2026

Related signals

Other insiders at LandBridge Co LLC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
68Notable
LBsell 2
LandBridge Co LLC
LandBridge Holdings LLC
director, owner
$94M
1,250,000 shares
-100%
50Moderate
LBsell
LandBridge Co LLC
Charles L. Watson
director
$4.0M
53,350 shares
-45%
54Moderate
LBbuy 3
LandBridge Co LLC
Harrison Fenner Bolling
See Remarks
$40k
850 shares
+1%
53Moderate
LBbuy 3
LandBridge Co LLC
Jason Thomas Long
See Remarks
$100k
2,143 shares
+1%
43Moderate
LBbuy 3
LandBridge Co LLC
Scott Lloyd McNeely
See Remarks
$25k
549 shares
+1%
75Notable
LBsell 3
LandBridge Co LLC
LandBridge Holdings LLC
director, owner
$175M
2,500,000 shares
-100%
75Notable
LBsell 3
LandBridge Co LLC
Five Point Energy Fund II AIV-VII LP
director, owner
$175M
2,500,000 shares
-100%
75Notable
LBsell 3
LandBridge Co LLC
David N Capobianco
director, owner
$175M
2,500,000 shares
-100%
68Notable
LBsell 2
LandBridge Co LLC
David N Capobianco
director, owner
$143M
1,900,000 shares
-100%
68Notable
LBsell 2
LandBridge Co LLC
LandBridge Holdings LLC
director, owner
$143M
1,900,000 shares
-100%

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.

David N Capobianco sold $94M of LB | InsiderTell