PNR: Leadership change

ITEM 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers On September 17, 2026, the Board of Directors (the “Board”) of Pentair plc (the “Company”) appointed Louis V. Pinkham as a director of the Company and a member of the Audit and Finance Committee of the Board effective as of September 17, 2026. The Board has determined that Mr. Pinkham is independent based on New York Stock Exchange listing standards. Mr. Pinkham will participate in the Company’s standard non-employee director compensation arrangements described under “Director Compensation” in the Company’s proxy statement filed with the U.S. Securities and Exchange Commission (the “SEC”) on March 20, 2026. Mr. Pinkham will enter into a Deed of Indemnification with the Company, as well as an Indemnification Agreement with Pentair Management Company, a subsidiary of the Company, the forms of which were filed as Exhibits 10.15 and 10.16, respectively to the Company’s Current Report on Form 8-K filed with the SEC on June 3, 2014. ITEM 9.01 Financial Statements and Exhibits (a) Financial Statements of Businesses Acquired Not applicable. (b) Pro Forma Financial Information Not applicable. (c) Shell Company Transactions Not applicable. (d) Exhibits The exhibit listed in the Exhibit Index below is filed as part of this report. EXHIBIT INDEX Exhibit Description 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURE 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, thereunto duly authorized, on September 18, 2026. PENTAIR PLC Registrant By /s/ Lance T Bonner Lance T Bonner Executive V