WaterBridge Infrastructure LLC-A美股招股说明书(2026-04-15版)

This prospectus supplement amends and supplements the prospectus dated April 10, 2026, as supplemented or amended from timeto time (the “Prospectus”), which forms a part of our Registration Statement on Form S-1 (No. 333-294703). This prospectussupplement is being filed to update and supplement the information in the Prospectus with the information contained in our CurrentReport on Form 8-K filed with the U.S. Securities and Exchange Commission on April 14, 2026 (the “Current Report”).Accordingly, we have attached the Current Report to this prospectus supplement. The Prospectus and this prospectus supplement relate to the offer and sale, from time to time, by the selling shareholders identifiedin the Prospectus of up to an aggregate of 83,250,000 Class A shares representing limited liability company interests (“Class Ashares”) in WaterBridge Infrastructure LLC, a Delaware limited liability company. Our Class A shares are listed on the New York Stock Exchange (the “NYSE”) and NYSE Texas, Inc. (“NYSE Texas”) under thesymbol “WBI.” The last reported sales price of our Class A shares on the NYSE on April 14, 2026 was $25.87 per Class A share. We are a “controlled company” within the meaning of the NYSE and NYSE Texas rules and, as a result, qualify for and rely onexemptions from certain corporate governance requirements. This prospectus supplement updates and supplements the information in the Prospectus and is not complete without, and may notbe delivered or utilized except in combination with, the Prospectus, including any amendments or supplements thereto. Thisprospectus supplement should be read in conjunction with the Prospectus and if there is any inconsistency between the informationin the Prospectus and this prospectus supplement, you should rely on the information in this prospectus supplement. INVESTING IN OUR CLASS A SHARES INVOLVES RISKS. SEE THE “RISK FACTORS” SECTION ON PAGE 5 OFTHE PROSPECTUS. Neither the U.S. Securities and Exchange Commission nor any state securities commission has approved or disapproved ofthese securities or passed upon the adequacy or accuracy of this prospectus. Any representation to the contrary is acriminal offense. Prospectus supplement dated April 14, 2026 UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington, D.C. 20549 FORM 8-K CURRENT REPORTPursuant to Section 13 OR 15(d)of The Securities Exchange Act of 1934Date of Report (Date of earliest event reported): April 13, 2026 WaterBridge Infrastructure LLC (Exact name of registrant as specified in its charter) 5555 San Felipe Street, Suite 1200Houston, Texas 77056(Address of principal executive offices and zip code)Registrant’s telephone number, including area code: (713) 230-8864Not 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: Securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934: 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 ofthe 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 financialaccounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Item5.02Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; CompensatoryArrangements of Certain Officers. On April 13, 2026, the Board of Directors (the “Board”) of WaterBridge Infrastructure LLC (NYSE: WBI; NYSE TX: WBI) (the“Company”) appointedValerie Chase to serve on the Board, with a term expiring at the Company’s 2026 annual meeting ofshareholders or her earlier resignation or removal. The Board has determined that Ms. Chase is an “independent director” under theapplicable rules of the New York Stock Exchange and NYSE Texas, Inc. and the U.S. Securities and Exchange Commission(“SEC”) and has appointed her to serve as the Chair of the Audit Committee of the Board. Ms. Chase will replace Kara GoodloeHarling on the Audit Committee and Ms. Goodloe Harling will continue to serve as a member of the Board. Ms. Chase has more than 20 years of experience in finance, accounting and corporate governance. From 2010 to 2018, Ms. Chaseserved in various different roles at Apache Corporation (now APA Corporation), leading to her role as the head of accountingpolicy and financial controls. From 2018 to 2021, Ms. Chase served as the Vice President, Chief Accounting Officer and Controllerof Magnolia Oil & Gas Corporation where she was a key member of the leadership team during its initial business combination andsubsequent operation as a public company