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Form 8-K

sec.gov

8-K — LandBridge Co LLC

Accession: 0001193125-26-397278

Filed: 2026-09-22

Period: 2026-09-22

CIK: 0001995807

SIC: 6792 (OIL ROYALTY TRADERS)

Item: Regulation FD Disclosure

Item: Other Events

Item: Financial Statements and Exhibits

Documents

8-K — d126102d8k.htm (Primary)

EX-99.1 (d126102dex991.htm)

EX-99.2 (d126102dex992.htm)

GRAPHIC (g126102g0922020905031.jpg)

XML — IDEA: XBRL DOCUMENT (R1.htm)

8-K

8-K (Primary)

Filename: d126102d8k.htm · Sequence: 1

8-K

LandBridge Co LLC false 0001995807 0001995807 2026-09-22 2026-09-22

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d)

of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 22, 2026

LandBridge Company LLC

(Exact name of registrant as specified in its charter)

Delaware

001-42150

93-3636146

(State or other jurisdiction

of incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)

5555 San Felipe Street, Suite 1200

Houston, Texas 77056

(Address of principal executive offices and zip code)

Registrant’s telephone number, including area code: (713) 230-8864

Not applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934:

Title of each class

Trading

Symbol(s)

Name of each exchange

on which registered

Class A shares representing limited liability company interests

LB

New York Stock Exchange

(indicate by check mark)

NYSE Texas, Inc.

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01.

Regulation FD Disclosure.

The information contained in Item 8.01 of this Current Report on Form 8-K is incorporated into this Item 7.01 by reference.

Item 8.01.

Other Events.

On September 22, 2026, LandBridge Company LLC (NYSE: LB; NYSE TX: LB) (the “Company”) issued a press release, a copy of which is attached hereto as Exhibit 99.1 and incorporated by reference into this Item 8.01, announcing that DBR Land Holdings LLC, a subsidiary of the Company, intends, subject to market conditions, to commence an offering of an additional $100,000,000 in aggregate principal amount of 6.250% Senior Notes due 2030 in a private placement pursuant to Rule 144A and Regulation S under the Securities Act of 1933, as amended, to eligible purchasers (the “Offering”).

On September 22, 2026, in connection with the Offering, the Company provided certain updated disclosures to potential investors, the relevant excerpts of which are attached as Exhibit 99.2.

Item 9.01.

Financial Statements and Exhibits.

(d) Exhibits.

Exhibit

Number

Description

99.1

Press Release dated September 22, 2026.

99.2

Certain Updated Disclosure.

104

Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

LANDBRIDGE COMPANY LLC

By:

/s/ Scott L. McNeely

Name: Scott L. McNeely

Title: Executive Vice President, Chief Financial Officer

Dated: September 22, 2026

EX-99.1

EX-99.1

Filename: d126102dex991.htm · Sequence: 2

EX-99.1

Exhibit 99.1

LandBridge Announces Launch of $100,000,000 Offering of Additional 6.250% Senior Notes due 2030

September 22, 2026

HOUSTON—(BUSINESS

WIRE)—LandBridge Company LLC (NYSE: LB; NYSE Texas: LB) (“LandBridge”) announced today that DBR Land Holdings LLC (the “Issuer”), a subsidiary of LandBridge, intends, subject to market conditions, to offer

$100 million in aggregate principal amount of 6.250% senior notes due 2030 (the “New Notes”) in a private placement to eligible purchasers (the “Offering”).

The New Notes are being offered as additional notes under the indenture, dated as of November 25, 2025 (the “Indenture”), pursuant to which

the Issuer previously issued $500 million in aggregate principal amount of 6.250% senior notes due 2030 (the “Existing Notes”). The New Notes will have identical terms as the Existing Notes, other than the issue date and issue

price, and will be treated as part of the same series as the Existing Notes for all purposes under the Indenture.

LandBridge intends to use the net

proceeds from the Offering to repay a portion of outstanding borrowings under its revolving credit facility.

The New Notes to be offered have not been

registered under the Securities Act of 1933, as amended (the “Securities Act”), or any state securities laws, and unless so registered, may not be offered or sold in the United States except pursuant to an exemption from, or in a

transaction not subject to, the registration requirements of the Securities Act and applicable state securities laws. The New Notes will be offered in the United States only to persons reasonably believed to be qualified institutional buyers in

reliance on Rule 144A under the Securities Act, and to persons outside the United States only pursuant to Regulation S under the Securities Act.

This

press release is neither an offer to sell nor a solicitation of an offer to buy the New Notes or any other securities and shall not constitute an offer to sell or a solicitation of an offer to buy, or a sale of, the New Notes or any other securities

in any jurisdiction in which such offer, solicitation or sale is unlawful.

About LandBridge

LandBridge owns or manages more than 350,000 surface acres across Texas and New Mexico, located primarily in the heart of the Delaware sub-region in the Permian Basin, the most active region for oil and gas exploration and development in the United States. LandBridge actively manages its land and resources to support and encourage energy and

infrastructure development and other land uses, including digital infrastructure. LandBridge was formed by Five Point Infrastructure LLC, a private equity firm with a track record of investing in and developing energy, environmental water management

and sustainable infrastructure companies within the Permian Basin.

Cautionary Statement Concerning Forward-Looking Statements

This press release contains forward-looking statements, as well as assumptions made by, and information currently available to, LandBridge, and therefore

involve risks and uncertainties that are difficult to predict, including risks and uncertainties associated with market conditions as they relate to the Offering and the ability to successfully close the Offering. Forward-looking statements include

all statements that are not historical facts. The words “anticipate,” “assume,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,”

“may,” “plan,” “potential,” “predict,” “project,” “future,” “will,” “seek,” “foreseeable,” the negative version of these words, or

similar terms and phrases are intended to identify forward-looking statements, although not all forward-looking statements contain such identifying words. Any forward-looking statement speaks only as of the date on which it is made, and, except as

required by law, LandBridge does not undertake any obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise. New factors emerge from time to time, and it is not possible for

LandBridge to predict all such factors. When considering these forward-looking statements, you should keep in mind the risk factors and other cautionary statements in LandBridge’s Annual Report on Form

10-K for the year ended December 31, 2025 and in other reports filed by LandBridge with the U.S. Securities and Exchange Commission. These risk factors could cause LandBridge’s actual results to

differ materially from those contained in any forward-looking statement.

Contacts

Scott McNeely

Chief Financial Officer

LandBridge Company LLC

Contact@LandBridgeco.com

Mae Herrington

Director, Investor Relations

LandBridge Company LLC

ir@LandBridgeco.com

Media

Daniel Yunger / Nathaniel Shahan

Kekst CNC

daniel.yunger@kekstcnc.com /

nathaniel.shahan@kekstcnc.com

EX-99.2

EX-99.2

Filename: d126102dex992.htm · Sequence: 3

EX-99.2

Exhibit 99.2

Recent Developments

Conversion and Redomestication

On June 15, 2026, LandBridge announced that its board of directors formed a special committee of independent directors (the “Special

Committee”) to evaluate a potential conversion from a Delaware limited liability company to a Texas corporation (the “Conversion and Redomestication”), primarily driven by index eligibility considerations. On August 4, 2026,

LandBridge’s board of directors, upon the recommendation of the Special Committee, unanimously adopted resolutions (i) approving the Conversion and Redomestication and the plan of conversion (the “Plan of Conversion”), (ii)

directing that the Plan of Conversion be submitted for shareholder approval and (iii) establishing a record date of August 14, 2026 for determination of shareholders entitled to vote thereon. On August 14, 2026, LandBridge Holdings,

which holds shares representing a majority of the total votes that may be cast generally in the election of directors by holders of all of its outstanding common shares, acted by written consent, in lieu of a meeting of shareholders, to approve the

Plan of Conversion. We expect the Conversion and Redomestication to be completed during the fourth quarter of 2026, although we can provide no assurance that it will be completed or the timing thereof. In addition, there can be no assurance that if

LandBridge is converted to a corporate entity, it will be included in any particular index or that any such index inclusion will generate the expected benefits.

As a result of the Conversion and Redomestication, the rights of holders of LandBridge’s securities may change, as its internal affairs will cease to be

governed by Delaware law and will instead be governed by Texas law, and LandBridge will thereafter be governed by a Texas certificate of formation and Texas bylaws. The Conversion and Redomestication is not expected to have an impact on the

Issuer’s obligations under the notes.

For a more complete description of the Conversion and Redomestication, please read the Information Statement

(as defined below), which is incorporated by reference herein.

Recent Acquisitions

In September 2026, the Company acquired more than 24,000 surface acres and related assets for approximately $261.2 million (the “Recent

Acquisitions”), including the closing of the previously announced acquisition of the surface acres underlying the NDB landfill and entry with WaterBridge into a long-term surface use agreement for the continued use of certain acreage to

support an environmental waste management facility concurrently acquired by WaterBridge. The acquired assets also include related fee minerals and mineral classified surface interests with a track record of consistent production that expands both

LandBridge’s surface ownership as well as its participation in oil and gas royalties across a portion of the position. The Company funded the Recent Acquisitions using cash on hand and borrowings under the 2025 Revolving Credit Facility.

*****

[As used below, “as further

adjusted” columns give effect to (i) this offering and the use of proceeds therefrom; and (ii) the Recent Acquisitions and the financing thereof.]

Non-GAAP Financial Measures

We use certain financial measures that are not calculated in accordance with GAAP in this offering memorandum, including Adjusted EBITDA, Adjusted EBITDA

Margin, Free Cash Flow, Free Cash Flow Margin, Covenant EBITDA, Net Debt and Net Leverage. Although these non-GAAP financial measures are important factors in assessing our operating results, cash flows,

overall financial flexibility and capital structure, they should not be considered in isolation or as a substitute for net income or gross margin or any other measures presented under GAAP.

Adjusted EBITDA, Adjusted EBITDA Margin and Covenant EBITDA

Adjusted EBITDA and Adjusted EBITDA Margin are used by our management and by external users of our financial statements, such as investors, research analysts

and others, to assess the financial performance of our assets over the long term to generate sufficient cash to return capital to equity holders or service indebtedness. We define Adjusted EBITDA as net income (loss) before interest; taxes;

depreciation, depletion and amortization; share-based compensation; non-recurring transaction-related expenses; litigation settlements and expenses incurred outside of the ordinary course of business; debt

modification and extinguishment costs; gains or losses on disposal of assets; and other non-cash or non-recurring expenses. We define Adjusted EBITDA Margin as Adjusted

EBITDA divided by total revenues.

Covenant EBITDA is used by our management and by external users of our financial statements, such as investors,

research analysts and others, to assess our compliance with debt covenants and our ability to service our indebtedness. We define Covenant EBITDA as Adjusted EBITDA plus or minus material project adjustments or pro forma adjustments included in our

covenant calculations. Material project adjustments allow a percentage (based on the then-current completion percentage of such material project) of an amount determined by the Company and approved by the Administrative Agent under the 2025

Revolving Credit Facility as the projected consolidated EBITDA attributable to such material project for the first 12-month period following the scheduled commercial operation date of such material project.

Pro forma adjustments are adjustments with respect to any inclusion of impact to EBITDA from an asset acquisition or exclusion of impact to EBITDA from an asset divestiture.

Management believes Adjusted EBITDA and Adjusted EBITDA Margin are useful because these supplemental non-GAAP

financial measures allow us to more effectively evaluate our operating performance and compare the results of our operations from period to period, and against our peers, without regard to our financing methods or capital structure. We exclude the

items listed above from net income (loss) in arriving at Adjusted EBITDA, Adjusted EBITDA Margin and Covenant EBITDA because these amounts can vary substantially from company to company within our industry depending upon accounting methods, book

values of assets, capital structures and the method by which the assets were acquired.

Management believes that Covenant EBITDA is a useful metric for

investors as it monitors our covenant compliance and the sustainability of our debt levels.

The following tables set forth reconciliations of net income

(loss) as determined in accordance with GAAP to Adjusted EBITDA, Adjusted EBITDA Margin and Covenant EBITDA for the periods indicated.

Six Months Ended June 30

Year Ended December 31

2026

2025

2025

2024

2023

Net income (loss)

$

48,917

$

33,934

$

72,399

$

(41,479

)

$

63,172

Adjustments:

Depreciation, depletion and amortization

8,799

5,146

11,470

8,875

8,762

Interest expense, net

18,701

15,856

32,706

23,335

7,016

Income tax expense

5,691

3,749

9,066

1,875

370

EBITDA

82,108

58,685

125,641

(7,394

)

79,320

Adjustments:

Share-based compensation – Incentive

Units(1)

17,966

17,989

36,508

91,307

(17,230

)

Share-based compensation – RSUs

4,538

4,422

8,811

4,028

—

Transaction-related expenses(2)

—

135

5,955

1,266

598

Six Months Ended June 30

Year Ended December 31

2026

2025

2025

2024

2023

Non-recurring expenses(3)

—

—

—

7,825

—

Other

—

—

256

37

116

Adjusted EBITDA

$

104,612

$

81,231

$

177,171

$

97,069

$

62,804

Net income (loss) margin

42

%

37

%

36

%

(38

)%

87

%

Adjusted EBITDA Margin

89

%

89

%

89

%

88

%

86

%

(1)

Share-based compensation - Incentive Units for the year ended December 31, 2025, consists only of

management incentive units consisting of time-based awards of profits interests in LandBridge Holdings (“LBH Incentive Units”). Share-based compensation - Incentive Units for the year ended December 31, 2024, consists of

$18.7 million related to the LBH Incentive Units, and $72.6 million related to the incentive units consisting of time-based awards of profits interests in WaterBridge NDB LLC (“NDB Incentive Units”). Share-based compensation -

Incentive Units for the year ended December 31, 2023, consists only of the NDB Incentive Units. NDB Incentive Units were liability awards resulting in periodic fair value remeasurement prior to the division of the then-current sole member of

LandBridge, WaterBridge NDB LLC, into two Delaware limited liability companies. Subsequent to the IPO, any actual cash expense associated with the LBH Incentive Units is borne solely by LandBridge Holdings and not LandBridge. Distributions

attributable to LBH Incentive Units are based on returns received by investors of LandBridge Holdings once certain return thresholds have been met and are neither an obligation of LandBridge nor taken into consideration for distributions to

investors in LandBridge.

(2)

Transaction-related expenses for the year ended December 31, 2025, consist of $4.9 million resulting

from debt amendments and extinguishments, $0.8 million related to LandBridge Holdings redemption of 2,500,000 OpCo Units (together with a cancellation of a corresponding number of Class B shares), for an equivalent amount of Class A

shares and $0.4 million of other transaction-related costs. For the year ended December 31, 2024, transaction-related expenses consisted of $0.4 million resulting from debt amendments, $0.3 million of entity structuring,

$0.2 million of non-capitalizable IPO-related charges and $0.2 million of other transaction-related costs.

(3)

Non-recurring expenses for the year ended December 31, 2024

consist primarily of $5.0 million in IPO-related employee bonuses and $2.6 million related to a contract termination payment.

Three Months Ended

June 30,

2026

March 31,

2026

December 31,

2025

September 30,

2025

June 30,

2025

Net income

$

31,049

$

17,868

$

18,174

$

20,291

$

18,475

Adjustments:

Depreciation, depletion, and amortization

4,374

4,425

3,740

2,584

2,545

Interest expense, net

9,190

9,511

8,961

7,889

7,879

Income tax expense

3,902

1,789

2,611

2,705

2,148

EBITDA

48,515

33,593

33,486

33,469

31,047

Adjustments:

Share-based compensation - LBH Management

Units(1)

8,964

9,002

9,375

9,144

9,044

Share-based compensation - RSUs

2,276

2,262

2,308

2,081

2,227

Transaction-related expenses(2)

—

—

5,820

—

135

Other

—

—

100

156

—

Adjusted EBITDA

$

59,755

$

44,857

$

51,089

$

44,850

$

42,453

Net income margin

46

%

35

%

32

%

40

%

39

%

Adjusted EBITDA Margin

89

%

88

%

90

%

88

%

89

%

(1)

Time-based profits interests previously referred to as “LBH Incentive Units” are now termed

“LBH Management Units,” reflecting a 2026 recapitalization of LandBridge Holdings’ equity into a single unit class. The terms, vesting, and value of these awards were unchanged.

(2)

Transaction-related expenses consist of non-capitalizable costs

associated with completed or attempted acquisitions, debt amendments and extinguishments, equity or ownership structure transactions and other transaction-related costs.

Actual

As Adjusted(1)

Twelve Months Ended June 30, 2026

Adjusted EBITDA

$

200,551

$

200,551

Covenant EBITDA Adjustments:(2)

Covenant Addbacks

11

11

Pro Forma Adjustments

5,205

32,024

Covenant EBITDA

$

205,767

$

232,586

Actual

As Adjusted(1)

Annualized Three Months Ended June 30, 2026(3)

LQA Adjusted EBITDA

$

239,020

$

239,020

Pro Forma EBITDA Adjustments:(2)

Pro Forma Adjustments

—

26,819

LQA Adjusted EBITDA, including Pro Forma Adjustments

$

239,020

$

265,839

(1)

As adjusted as described under “Capitalization.”

(2)

Reflects covenant addbacks and pro forma adjustments included in our Covenant EBITDA calculation under our 2025

Revolving Credit Facility. Pro forma adjustments in the Actual column of $5.2 million represent EBITDA attributable to the 1918 Ranch acquisition for the portion of the LTM period prior to its close in the fourth quarter of 2025. Pro forma

adjustments in the As Adjusted column of $32.0 million consist of that same 1918 Ranch EBITDA together with estimated EBITDA attributable to the Recent Acquisitions. No pro forma adjustment for the 1918 Ranch acquisition is required in the LQA

Adjusted EBITDA presentation given the acquisition closed prior to the annualized quarter and its results are fully reflected in LQA Adjusted EBITDA on an actual basis. Accordingly, the $26.8 million pro forma adjustment in the As Adjusted

column of that presentation consists solely of estimated EBITDA attributable to the Recent Acquisitions, determined on a last-twelve-months basis in accordance with our 2025 Revolving Credit Facility. Estimated EBITDA for the Recent Acquisitions is

based on historical financial information provided by the sellers, has not been reviewed or audited by an independent auditor, and is subject to change.

(3)

Last quarter annualized (“LQA”) figures are calculated by multiplying the applicable results for

the three months ended June 30, 2026, by four. The LQA figures are not necessarily indicative of the results that may be expected for the year ending December 31, 2026 or any other future period.

Free Cash Flow and Free Cash Flow Margin

Free

Cash Flow and Free Cash Flow Margin are used by our management and by external users of our financial statements, such as investors, research analysts and others, to assess our ability to repay our indebtedness, return capital to our shareholders

and fund potential acquisitions without access to external sources of financing for such purposes. We define Free Cash Flow as cash flow from operating activities less investment in capital expenditures. We define Free Cash Flow Margin as Free Cash

Flow divided by total revenues.

Management believes Free Cash Flow and Free Cash Flow Margin are useful because these supplemental non-GAAP financial measures allow for an effective evaluation of both our operating and financial performance, as well as the capital intensity of our business, and subsequently, the ability of our operations to

generate cash flow that is available to distribute to our shareholders, reduce leverage or support acquisition activities.

The following table sets forth a reconciliation of cash flows from operating activities as determined in

accordance with GAAP to Free Cash Flow and Free Cash Flow Margin, respectively, for the periods indicated.

Six Months Ended June 30

Year Ended December 31

2026

2025

2025

2024

2023

Net cash provided by operating activities

$

82,491

$

53,245

$

126,273

$

67,636

$

53,042

Net cash used in investing activities

(13,422

)

(19,946

)

(233,074

)

(724,352

)

(2,772

)

Cash provided by (used in) operating and investing activities

$

69,069

$

33,299

$

(106,801

)

$

(656,716

)

$

50,270

Adjustments:

Acquisitions

12,166

18,762

229,048

723,367

—

Proceeds from disposal of assets

(55

)

(125

)

(210

)

—

(11

)

Free Cash Flow

$

81,180

$

51,936

$

122,037

$

66,651

$

50,259

Operating Cash Flow Margin(1)

70

%

58

%

63

%

62

%

73

%

Free Cash Flow Margin

69

%

57

%

61

%

61

%

69

%

(1)

Operating cash flow margin is calculated by dividing net cash provided by operating activities by total

revenue.

Three Months Ended

June 30,

2026

March 31,

2026

December 31,

2025

September 30,

2025

June 30,

2025

Net cash provided by operating activities

$

41,371

$

41,120

$

38,116

$

34,912

$

37,332

Net cash used in investing activities

(11,274

)

(2,148

)

(212,021

)

(1,107

)

(2,079

)

Cash provided (used in) by operating and investing activities

30,097

38,972

(173,905

)

33,805

35,253

Adjustments:

Acquisitions

10,171

1,995

210,281

5

944

Proceeds from disposal of assets

(28

)

(27

)

—

(85

)

(105

)

Free Cash Flow

$

40,240

$

40,940

$

36,376

$

33,725

$

36,092

Operating cash flow margin(1)

62

%

81

%

67

%

69

%

79

%

Free Cash Flow Margin

60

%

80

%

64

%

66

%

76

%

(1)

Operating cash flow margin is calculated by dividing net cash provided by operating activities by total

revenue.

Net Debt and Net Leverage

We define Net Debt as total debt less available cash. Net Debt is an important component in the calculation of the Ratio of Net Debt to Covenant EBITDA.

Management believes that Net Debt is a meaningful non-GAAP financial measure useful to investors because it is used to assess our overall financial flexibility, capital structure and leverage. Furthermore,

management believes that the Ratio of Net Debt to Covenant EBITDA is a useful metric for investors as it monitors the sustainability of our debt levels and our ability to take on additional debt against Covenant EBITDA, which is used as an operating

performance measure.

We define Net Leverage as Net Debt divided by Covenant EBITDA. Management believes that Net Leverage is a useful metric for

investors as it monitors the sustainability of our debt levels and our ability to take on additional debt against Covenant EBITDA, which is used as an operating performance measure.

The following tables set forth a reconciliation of total debt as determined in accordance with GAAP to Net

Debt.

Actual

As Adjusted(1)

As of June 30, 2026

Balance Sheet Data (at end of period):

Existing 2030 Notes

$

500,000

$

600,000

2025 Revolving Credit Facility

45,000

183,529

Other

219

219

Total Debt

$

545,219

$

783,748

Cash and Cash Equivalents

(39,797

)

(15,000

)

Net Debt

$

505,422

$

768,748

Covenant EBITDA

$

205,767

$

232,586

LQA Adjusted EBITDA

$

239,020

$

265,839

Credit Metrics Using Covenant EBITDA:

Net Secured Debt / Covenant EBITDA

0.0x

0.7x

Net Total Debt / Covenant EBITDA

2.5x

3.3x

Credit Metrics Using LQA Adjusted EBITDA:

Net Secured Debt / LQA Adjusted EBITDA

0.0x

0.6x

Net Total Debt / LQA Adjusted EBITDA

2.1x

2.9x

(1)

As adjusted as described under “Capitalization.”

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v3.26.3

Document and Entity Information

Sep. 22, 2026

Cover [Abstract]

Entity Registrant Name

LandBridge Co LLC

Amendment Flag

false

Entity Central Index Key

0001995807

Document Type

8-K

Document Period End Date

Sep. 22, 2026

Entity Incorporation State Country Code

DE

Entity File Number

001-42150

Entity Tax Identification Number

93-3636146

Entity Address, Address Line One

5555 San Felipe Street

Entity Address, Address Line Two

Suite 1200

Entity Address, City or Town

Houston

Entity Address, State or Province

TX

Entity Address, Postal Zip Code

77056

City Area Code

(713)

Local Phone Number

230-8864

Written Communications

false

Soliciting Material

false

Pre Commencement Tender Offer

false

Pre Commencement Issuer Tender Offer

false

Security 12b Title

Class A shares representing limited liability company interests

Trading Symbol

LB

Security Exchange Name

NYSE

Entity Emerging Growth Company

false

X

- Definition

Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

+ References

No definition available.

+ Details

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dei_AmendmentFlag

Namespace Prefix:

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Period Type:

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- Definition

Area code of city

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No definition available.

+ Details

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dei_CityAreaCode

Namespace Prefix:

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Data Type:

xbrli:normalizedStringItemType

Balance Type:

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- Definition

Cover page.

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No definition available.

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Data Type:

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Period Type:

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- Definition

For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

+ References

No definition available.

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Data Type:

xbrli:dateItemType

Balance Type:

na

Period Type:

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- Definition

The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

+ References

No definition available.

+ Details

Name:

dei_DocumentType

Namespace Prefix:

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Data Type:

dei:submissionTypeItemType

Balance Type:

na

Period Type:

duration

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- Definition

Address Line 1 such as Attn, Building Name, Street Name

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No definition available.

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Name:

dei_EntityAddressAddressLine1

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

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- Definition

Address Line 2 such as Street or Suite number

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No definition available.

+ Details

Name:

dei_EntityAddressAddressLine2

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

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Period Type:

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- Definition

Name of the City or Town

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No definition available.

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Namespace Prefix:

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Data Type:

xbrli:normalizedStringItemType

Balance Type:

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Period Type:

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- Definition

Code for the postal or zip code

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No definition available.

+ Details

Name:

dei_EntityAddressPostalZipCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

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Period Type:

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- Definition

Name of the state or province.

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No definition available.

+ Details

Name:

dei_EntityAddressStateOrProvince

Namespace Prefix:

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Data Type:

dei:stateOrProvinceItemType

Balance Type:

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Period Type:

duration

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- Definition

A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

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dei_EntityCentralIndexKey

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Data Type:

dei:centralIndexKeyItemType

Balance Type:

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Period Type:

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- Definition

Indicate if registrant meets the emerging growth company criteria.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

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Namespace Prefix:

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xbrli:booleanItemType

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X

- Definition

Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

+ References

No definition available.

+ Details

Name:

dei_EntityFileNumber

Namespace Prefix:

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Data Type:

dei:fileNumberItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Two-character EDGAR code representing the state or country of incorporation.

+ References

No definition available.

+ Details

Name:

dei_EntityIncorporationStateCountryCode

Namespace Prefix:

dei_

Data Type:

dei:edgarStateCountryItemType

Balance Type:

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Period Type:

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- Definition

The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

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Name:

dei_EntityRegistrantName

Namespace Prefix:

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Data Type:

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Balance Type:

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- Definition

The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

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Name:

dei_EntityTaxIdentificationNumber

Namespace Prefix:

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Data Type:

dei:employerIdItemType

Balance Type:

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Period Type:

duration

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- Definition

Local phone number for entity.

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No definition available.

+ Details

Name:

dei_LocalPhoneNumber

Namespace Prefix:

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Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 13e

-Subsection 4c

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Namespace Prefix:

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Data Type:

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Balance Type:

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Period Type:

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X

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14d

-Subsection 2b

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Namespace Prefix:

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Data Type:

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Balance Type:

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- Definition

Title of a 12(b) registered security.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b

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Namespace Prefix:

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Data Type:

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- Definition

Name of the Exchange on which a security is registered.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection d1-1

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Name:

dei_SecurityExchangeName

Namespace Prefix:

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Data Type:

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Balance Type:

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Period Type:

duration

X

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14a

-Subsection 12

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Data Type:

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Balance Type:

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Period Type:

duration

X

- Definition

Trading symbol of an instrument as listed on an exchange.

+ References

No definition available.

+ Details

Name:

dei_TradingSymbol

Namespace Prefix:

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Data Type:

dei:tradingSymbolItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Securities Act

-Number 230

-Section 425

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