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NYSE · CIK 0001995807

LB LandBridge Co LLC

Insider trading from SEC Form 4. Last filing Aug 11, 2026. Close $86.25 on Oct 9, 2026, +96% from the 52-week low and -4% from the high.

In brief

LandBridge Co LLC (LB) has 37 SEC Form 4 filings on file from 11 insiders, the latest filed on Aug 11, 2026. In the last 90 days insiders made 0 open-market buys worth $0 and 2 open-market sells worth $188M, net -$188M.

11 open-market trades have been scored at LB. The newest: David N Capobianco (director and 10% owner) sold $94M of stock on Aug 7, 2026, filed Aug 11, 2026, scored 68 (notable). The largest of the 11 shown: LandBridge Holdings LLC (director and 10% owner) sold $175M on Nov 18, 2025, scored 75 (notable). 2 insiders sold within 14 days of each other around Aug 7, 2026.

1 member of Congress has disclosed 3 trades in LB under the STOCK Act. 2 Form 144 notices of planned sales are on file, the latest filed Aug 7, 2026.

Last 90 days

Net insider value
-$188M
more sold than bought
Buys
0
$0 by 0 insiders
Sells
2
$188M by 2 insiders
Insiders on file
11
with a Form 4 at this company

Price and insider trades, last year

LBOct 9, 2026 · close 86.25

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at LandBridge Co LLC, scored.

ScoreInsiderValueHoldingsPrice contextFiled
68NotableDavid N Capobianco
director, owner
sell
$94M
1,250,000 shares
-100%+71% from low-11% from high
68NotableLandBridge Holdings LLC
director, owner
sell
$94M
1,250,000 shares
-100%+71% from low-11% from high
50ModerateCharles L. Watson
director
sell
$4.0M
53,350 shares
-45%+67% from low-13% from high
54ModerateHarrison Fenner Bolling
See Remarks
buy
$40k
850 shares
+1%0% from low-45% from high
53ModerateJason Thomas Long
See Remarks
buy
$100k
2,143 shares
+1%0% from low-45% from high
43ModerateScott Lloyd McNeely
See Remarks
buy
$25k
549 shares
+1%0% from low-47% from high
75NotableLandBridge Holdings LLC
director, owner
sell
$175M
2,500,000 shares
-100%+27% from low-28% from high
75NotableFive Point Energy Fund II AIV-VII LP
director, owner
sell
$175M
2,500,000 shares
-100%+27% from low-28% from high
75NotableDavid N Capobianco
director, owner
sell
$175M
2,500,000 shares
-100%+27% from low-28% from high
68NotableDavid N Capobianco
director, owner
sell
$143M
1,900,000 shares
-100%+128% from low-7% from high
68NotableLandBridge Holdings LLC
director, owner
sell
$143M
1,900,000 shares
-100%+128% from low-7% from high

Planned sales

Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales

FiledSellerSharesValueSale datePast 3 months
Aug 7, 2026 LandBridge Holdings LLC
10% Stockholder
1,250,000
4.40% of outstanding
$94MAug 7, 2026none
May 21, 2025 LandBridge Holdings LLC
10% shareholder
1,900,000
8.17% of outstanding
$153MMay 21, 2025none

Congressional trades

3 trades in LB disclosed by members of Congress under the STOCK Act. All congressional trades.

MemberTradeAssetReported rangeTrade / filing dateSource
PurchaseLB
LandBridge Company LLC Class A Shares Representing Limited Liability Company Interests
$50k to $100kNov 20, 2025 / Dec 15, 2025
25 days after the trade
Clerk
PurchaseLB
LandBridge Company LLC Class A Shares Representing Limited Liability Company Interests
$15k to $50kNov 21, 2025 / Dec 15, 2025
24 days after the trade
Clerk
PurchaseLB
LandBridge Company LLC Class A Shares Representing Limited Liability Company Interests
$50k to $100kAug 6, 2025 / Sep 12, 2025
37 days after the trade
Clerk

Transactions

The newest 50 of 62 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Aug 7, 2026LandBridge Holdings LLC
director, owner
JOther
Class B shares
-1,250,000$0.00$047,168,908Aug 11, 2026
Aug 7, 2026David N Capobianco
director, owner
JOther
Class B sharesindirect: See Footnote
-1,250,000$0.00$047,168,908Aug 11, 2026
Aug 7, 2026LandBridge Holdings LLC
director, owner
CConversion
Class A shares
+1,250,000$0.00$01,250,000Aug 11, 2026
Aug 7, 2026David N Capobianco
director, owner
CConversion
Class A sharesindirect: See Footnote
+1,250,000$0.00$01,250,000Aug 11, 2026
Aug 7, 2026LandBridge Holdings LLC
director, owner
SOpen-market sale
Class A shares
-1,250,000$75.05$94M0Aug 11, 2026
Aug 7, 2026David N Capobianco
director, owner
SOpen-market sale
Class A sharesindirect: See Footnote
-1,250,000$75.05$94M0Aug 11, 2026
Aug 7, 2026David N Capobianco
director, owner
CConversion
DBR Land Holdings LLC Unitsderivativeindirect: See Footnote
-1,250,000$0.00$047,168,908Aug 11, 2026
Aug 7, 2026LandBridge Holdings LLC
director, owner
CConversion
DBR Land Holdings LLC Unitsderivative
-1,250,000$0.00$047,168,908Aug 11, 2026
Aug 4, 2026Harrison Fenner Bolling
See Remarks
AGrant or award
Class A shares
+13,572$0.00$071,294Aug 6, 2026
Aug 4, 2026Scott Lloyd McNeely
See Remarks
AGrant or award
Class A shares
+14,929$0.00$084,017Aug 6, 2026
Aug 4, 2026Ty P. Daul
director
AGrant or award
Class A shares
+1,900$0.00$020,295Aug 6, 2026
Aug 4, 2026Valerie Chase
director
AGrant or award
Class A shares
+1,900$0.00$014,397Aug 6, 2026
Aug 4, 2026Charles L. Watson
director
AGrant or award
Class A shares
+1,900$0.00$011,454Aug 6, 2026
Aug 4, 2026Jason Thomas Long
See Remarks
AGrant or award
Class A shares
+20,358$0.00$0210,479Aug 6, 2026
Aug 4, 2026Jason Frederick Williams
See Remarks
AGrant or award
Class A shares
+13,572$0.00$068,447Aug 6, 2026
Aug 4, 2026Andrea Liria Nicolas
director
AGrant or award
Class A shares
+1,900$0.00$011,454Aug 6, 2026
Jul 1, 2026Harrison Fenner Bolling
See Remarks
FTax withholding
Class A shares
-9,152$72.30$662k57,722Jul 2, 2026
Jul 1, 2026Jason Frederick Williams
See Remarks
FTax withholding
Class A shares
-9,758$72.30$706k54,875Jul 2, 2026
Jul 1, 2026Jason Thomas Long
See Remarks
FTax withholding
Class A shares
-33,425$72.30$2.4M190,121Jul 2, 2026
Jul 1, 2026Scott Lloyd McNeely
See Remarks
FTax withholding
Class A shares
-12,188$72.30$881k69,088Jul 2, 2026
Mar 2, 2026Charles L. Watson
director
SOpen-market sale
Class A sharesindirect: See Footnote
-30,680$74.07$2.3M86,920Mar 6, 2026
Mar 4, 2026Charles L. Watson
director
SOpen-market sale
Class A sharesindirect: See Footnote
-9,670$75.19$727k77,250Mar 6, 2026
Mar 6, 2026Charles L. Watson
director
SOpen-market sale
Class A sharesindirect: See Footnote
-13,000$75.00$975k64,250Mar 6, 2026
Jan 6, 2026Scott Lloyd McNeely
See Remarks
POpen-market purchase
Class A shares
+549$45.49$25k81,276Jan 7, 2026
Jan 5, 2026Harrison Fenner Bolling
See Remarks
POpen-market purchase
Class A shares
+850$46.84$40k66,874Jan 7, 2026
Jan 5, 2026Jason Thomas Long
See Remarks
POpen-market purchase
Class A shares
+2,143$46.59$100k223,546Jan 7, 2026
Nov 18, 2025Five Point Energy Fund II AIV-VII LP
director, owner
JOther
Class B sharesindirect: See Footnotes
-2,500,000$0.00$048,593,505Nov 21, 2025
Nov 18, 2025LandBridge Holdings LLC
director, owner
JOther
Class B shares
-2,500,000$0.00$048,593,505Nov 21, 2025
Nov 18, 2025LandBridge Holdings LLC
director, owner
CConversion
Class A shares
+2,500,000$0.00$02,500,000Nov 21, 2025
Nov 18, 2025Five Point Energy Fund II AIV-VII LP
director, owner
CConversion
Class A sharesindirect: See Footnotes
+2,500,000$0.00$02,500,000Nov 21, 2025
Nov 18, 2025LandBridge Holdings LLC
director, owner
SOpen-market sale
Class A shares
-2,500,000$70.00$175M0Nov 21, 2025
Nov 18, 2025Five Point Energy Fund II AIV-VII LP
director, owner
SOpen-market sale
Class A sharesindirect: See Footnotes
-2,500,000$70.00$175M0Nov 21, 2025
Nov 18, 2025LandBridge Holdings LLC
director, owner
CConversion
DBR Land Holdings LLC Unitsderivative
-2,500,000$0.00$048,593,505Nov 21, 2025
Nov 18, 2025Five Point Energy Fund II AIV-VII LP
director, owner
CConversion
DBR Land Holdings LLC Unitsderivativeindirect: See Footnotes
-2,500,000$0.00$048,593,505Nov 21, 2025
Nov 18, 2025David N Capobianco
director, owner
JOther
Class B sharesindirect: See Footnote
-2,500,000$0.00$048,593,505Nov 20, 2025
Nov 18, 2025David N Capobianco
director, owner
CConversion
Class A sharesindirect: See Footnote
+2,500,000$0.00$02,500,000Nov 20, 2025
Nov 18, 2025David N Capobianco
director, owner
SOpen-market sale
Class A sharesindirect: See Footnote
-2,500,000$70.00$175M0Nov 20, 2025
Nov 18, 2025David N Capobianco
director, owner
CConversion
DBR Land Holdings LLC Unitsderivativeindirect: See Footnote
-2,500,000$0.00$048,593,505Nov 20, 2025
Aug 27, 2025Valerie Chase
director
AGrant or award
Class A shares
+2,201$0.00$012,479Sep 22, 2025
Aug 27, 2025Ty P. Daul
director
AGrant or award
Class A shares
+2,201$0.00$018,368Sep 22, 2025
Aug 27, 2025Charles L. Watson
director
AGrant or award
Class A shares
+2,201$0.00$09,554Sep 22, 2025
Aug 27, 2025Andrea Liria Nicolas
director
AGrant or award
Class A shares
+2,201$0.00$09,554Sep 22, 2025
Aug 27, 2025Valerie Chase
director
AGrant or award
Class A shares
+3,895$0.00$014,173Aug 28, 2025
Aug 27, 2025Ty P. Daul
director
AGrant or award
Class A shares
+3,895$0.00$020,048Aug 28, 2025
Aug 27, 2025Andrea Liria Nicolas
director
AGrant or award
Class A shares
+3,895$0.00$011,248Aug 28, 2025
Aug 27, 2025Charles L. Watson
director
AGrant or award
Class A shares
+3,895$0.00$011,248Aug 28, 2025
Jul 1, 2025Harrison Fenner Bolling
See Remarks
FTax withholding
Class A shares
-8,366$66.38$555k66,024Jul 3, 2025
Jul 1, 2025Scott Lloyd McNeely
See Remarks
FTax withholding
Class A shares
-12,187$66.38$809k80,727Jul 3, 2025
Jul 1, 2025Jason Frederick Williams
See Remarks
FTax withholding
Class A shares
-9,757$66.38$648k64,633Jul 3, 2025
Jul 1, 2025Jason Thomas Long
See Remarks
FTax withholding
Class A shares
-33,424$66.38$2.2M221,403Jul 3, 2025
50 of 62 rows shown.

Insiders

Everyone who has filed a Form 4 here.

Questions about LB

Answered from the filings on this page, as of the latest one.

Are insiders buying LB?

As of Aug 11, 2026, SEC Form 4 filings show 0 open-market buys worth $0 by 0 insiders and 2 open-market sells worth $188M by 2 insiders at LandBridge Co LLC in the last 90 days, net -$188M. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.

Who was the last insider to trade LB on the open market?

David N Capobianco (director and 10% owner) sold $94M of LB on Aug 7, 2026 and filed the Form 4 on Aug 11, 2026. InsiderTell scored 68 (notable), with 2 insiders on the same side within 14 days.

How many insiders file Form 4 at LandBridge Co LLC?

11 people have filed a Form 4 at LandBridge Co LLC, among them Harrison Fenner Bolling (See Remarks), David N Capobianco (director and 10% owner), Valerie Chase (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

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.

LB insider trading: LandBridge Co LLC | InsiderTell