Mueller Water Products, Inc. 10-Q

Item 5. OTHER INFORMATION (c) Our Section 16 officers and directors, as defined in Rule 16a-1(f) of the Securities and Exchange Act of 1934 (the “Exchange Act”), may from time to time enter into plans for the purchase or sale of our common stock that are intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act. During the quarter ended March 31, 2025, the following officer adopted a “Rule 10b5-1 trading arrangement ” (as defined in Item 408 of Regulation S-K of the Exchange Act): Brian Healy , a Member of the Board of Directors , adopted a written trading plan on February 7, 2025 . The trading plan’s maximum duration is until January 30, 2026 . The first trade will not occur until May 16, 2025. The trading plan is intended to satisfy the affirmative defense conditions of Exchange Act Rule 10b5-1(c) and permit Mr. Healy to purchase up to $110,000 worth of shares of common stock of the Company, subject to certain conditions. This trading plan was adopted during an open trading window. No other Section 16 officer or director, as defined in Rule 16a-1(f), adopted, modified, or terminated a “Rule 10b5-1 trading 36 Table of Contents arrangement” or a “non-Rule 10b5-1 trading arrangement,” as defined in Item 408 of Regulation S-K, during the three months ended March 31, 2025. Item 6. EXHIBITS Exhibit No. Document 31.1* Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 . 31.2* Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 . 32.1* Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 . 32.2* Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 101* The following financial information from the Quarterly Report on Form 10-Q for the quarter ended March 31, 2025, formatted in XBRL (Extensible Business Reporting Language), (i) the Unaudited Condensed Consolidated Balance Sheets , (ii) the Unaudited Condensed Consolidated Statements of Operations , (iii) the Unaudited Condensed Consolidated Statements of Comprehensive Income , (iv) the Unaudited Condensed Consolidated Statements of Stockholders' Equity , (v) the Unaudited Condensed Consolidated Statements of Cash Flows , and (vi) the Notes to Unaudited Condensed Consolidated Financial Statements . 104* Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101). + Management compensatory plan, contract or arrangement * Filed or furnished with this quarterly report 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 thereunto duly authorized. MUELLER WATER PRODUCTS, INC. Date: May 6, 2025 By: /s/ Suzanne G. Smith Suzanne G. Smith Chief Accounting Officer 37