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The reporting person is the chief executive officer of Wincrest Ventures, and the reporting person and his wife jointly own 100% of the ownership interests in Wincrest Investments Inc., the sole general partner of Wincrest Ventures. As a result of the foregoing, the reporting person may exercise voting and investment control over the Class A shares held by Wincrest Ventures and may be deemed to be the beneficial owner thereof. The reporting person disclaims beneficial ownership of Class A shares in excess of his pecuniary interest therein, if any."}],"balance_after":64250,"source":{"system":"sec-edgar","filing":"0001193125-26-096859","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1914249/000119312526096859/ownership.xml","form_type":"4"}},{"id":855325,"issuer":{"id":3742,"kind":"organization","name":"LandBridge Corp"},"owners":[{"id":25706,"kind":"person","name":"WATSON CHARLES L.","position":1,"cik":"0001914249","reported_name":"WATSON CHARLES L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A shares","published_at":"2026-03-06T22:05:39.000Z","date":"2026-03-04","kind":"sale","planned":false,"acquired":false,"shares":9670,"price":75.1884,"value":727071.828,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.1477 to $75.6468 per share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Includes 64,250 Class A shares representing limited liability company interests (the \"Class A shares\") in LandBridge Company LLC that are directly held by Wincrest Ventures, LP (\"Wincrest Ventures\"). The reporting person is the chief executive officer of Wincrest Ventures, and the reporting person and his wife jointly own 100% of the ownership interests in Wincrest Investments Inc., the sole general partner of Wincrest Ventures. As a result of the foregoing, the reporting person may exercise voting and investment control over the Class A shares held by Wincrest Ventures and may be deemed to be the beneficial owner thereof. The reporting person disclaims beneficial ownership of Class A shares in excess of his pecuniary interest therein, if any."}],"balance_after":77250,"source":{"system":"sec-edgar","filing":"0001193125-26-096859","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1914249/000119312526096859/ownership.xml","form_type":"4"}},{"id":855324,"issuer":{"id":3742,"kind":"organization","name":"LandBridge Corp"},"owners":[{"id":25706,"kind":"person","name":"WATSON CHARLES L.","position":1,"cik":"0001914249","reported_name":"WATSON CHARLES L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A shares","published_at":"2026-03-06T22:05:39.000Z","date":"2026-03-02","kind":"sale","planned":false,"acquired":false,"shares":30680,"price":74.0661,"value":2272347.948,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Includes 64,250 Class A shares representing limited liability company interests (the \"Class A shares\") in LandBridge Company LLC that are directly held by Wincrest Ventures, LP (\"Wincrest Ventures\"). The reporting person is the chief executive officer of Wincrest Ventures, and the reporting person and his wife jointly own 100% of the ownership interests in Wincrest Investments Inc., the sole general partner of Wincrest Ventures. As a result of the foregoing, the reporting person may exercise voting and investment control over the Class A shares held by Wincrest Ventures and may be deemed to be the beneficial owner thereof. The reporting person disclaims beneficial ownership of Class A shares in excess of his pecuniary interest therein, if any."}],"balance_after":86920,"source":{"system":"sec-edgar","filing":"0001193125-26-096859","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1914249/000119312526096859/ownership.xml","form_type":"4"}},{"id":1034158,"issuer":{"id":3742,"kind":"organization","name":"LandBridge Corp"},"owners":[{"id":25706,"kind":"person","name":"WATSON CHARLES L.","position":1,"cik":"0001914249","reported_name":"WATSON CHARLES L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A shares","published_at":"2025-09-23T00:47:34.000Z","date":"2025-08-27","kind":"grant","planned":false,"acquired":true,"shares":2201,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2026, generally subject to continued service on the board of directors through such vesting date."},{"field":"shares","element":"transactionShares","label":"F2","text":"The original Form 4, filed on August 28, 2025, is being amended by this Form 4/A solely to correct an administrative error. The original Form 4 inadvertently included the incorrect number of shares acquired and beneficially owned by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The original Form 4, filed on August 28, 2025, is being amended by this Form 4/A solely to correct an administrative error. The original Form 4 inadvertently included the incorrect number of shares acquired and beneficially owned by the Reporting Person."}],"balance_after":9554,"source":{"system":"sec-edgar","filing":"0001193125-25-211912","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1914249/000119312525211912/ownership.xml","form_type":"4/A","original_submission_date":"2025-08-28"}},{"id":1053343,"issuer":{"id":3742,"kind":"organization","name":"LandBridge Corp"},"owners":[{"id":25706,"kind":"person","name":"WATSON CHARLES L.","position":1,"cik":"0001914249","reported_name":"WATSON CHARLES L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A shares","published_at":"2025-08-28T23:02:29.000Z","date":"2025-08-27","kind":"grant","planned":false,"acquired":true,"shares":3895,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2026, generally subject to continued service on the board of directors through such vesting date."}],"balance_after":11248,"source":{"system":"sec-edgar","filing":"0000950170-25-112093","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1914249/000095017025112093/ownership.xml","form_type":"4"}},{"id":1452239,"issuer":{"id":3742,"kind":"organization","name":"LandBridge Corp"},"owners":[{"id":25706,"kind":"person","name":"WATSON CHARLES L.","position":1,"cik":"0001914249","reported_name":"WATSON CHARLES L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A shares","published_at":"2024-07-17T22:24:22.000Z","date":"2024-07-15","kind":"grant","planned":false,"acquired":true,"shares":7353,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on the first anniversary of July 1, 2024, generally subject to continued service on the board of directors through such vesting date."}],"balance_after":7353,"source":{"system":"sec-edgar","filing":"0000950170-24-084379","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1914249/000095017024084379/ownership.xml","form_type":"4"}},{"id":1459123,"issuer":{"id":3742,"kind":"organization","name":"LandBridge Corp"},"owners":[{"id":25706,"kind":"person","name":"WATSON CHARLES L.","position":1,"cik":"0001914249","reported_name":"WATSON CHARLES L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A shares","published_at":"2024-07-04T01:01:06.000Z","date":"2024-07-01","kind":"purchase","planned":false,"acquired":true,"shares":117600,"price":17,"value":1999200.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects Class A shares representing limited liability company interests in LandBridge Company LLC (the \"Issuer\") purchased through a directed share program in connection with the Issuer's initial public offering, which closed on July 1, 2024."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Includes 117,600 Class A shares that are directly held by Wincrest Ventures, LP (\"Wincrest Ventures\"). The reporting person is the chief executive officer of Wincrest Ventures, and the reporting person and his wife jointly own 100% of the ownership interests in Wincrest Investments Inc., the sole general partner of Wincrest Ventures. As a result of the foregoing, the reporting person  may exercise voting and investment control over the Class A shares held by Wincrest Ventures and may be deemed to be the beneficial owner thereof. The reporting person disclaims beneficial ownership of Class A shares in excess of his pecuniary interest therein, if any."}],"balance_after":117600,"source":{"system":"sec-edgar","filing":"0000950170-24-081751","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1914249/000095017024081751/ownership.xml","form_type":"4"}}]}