{"transactions":[{"id":974250,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Common Stock","published_at":"2025-12-10T17:56:21.000Z","date":"2025-12-09","kind":"sale","planned":true,"acquired":false,"shares":18557,"price":24.2853,"value":450662.3121,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 9, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $24.070 to $24.550, inclusive. The reporting person undertakes to provide to Mueller Water Products, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 11,493.07 shares acquired under the Mueller Water Products, Inc. Employee Stock Purchase Plan."}],"balance_after":11493.0663,"source":{"system":"sec-edgar","filing":"0001225208-25-009838","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1303624/000122520825009838/doc4.xml","form_type":"4"}},{"id":974249,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Common Stock","published_at":"2025-12-10T17:56:21.000Z","date":"2025-12-09","kind":"sale","planned":true,"acquired":false,"shares":14965,"price":24.2862,"value":363442.983,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 9, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $24.070 to $24.550, inclusive. The reporting person undertakes to provide to Mueller Water Products, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":30050.0663,"source":{"system":"sec-edgar","filing":"0001225208-25-009838","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1303624/000122520825009838/doc4.xml","form_type":"4"}},{"id":980091,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Common Stock","published_at":"2025-12-04T20:10:47.000Z","date":"2025-12-02","kind":"grant","planned":false,"acquired":true,"shares":33522,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Acquisition is pursuant to the grant of performance-based restricted stock units under the Mueller Water Products, Inc. Amended and Restated 2006 Stock Incentive Plan. Units were earned based on the Company's rTSR and ROIC performances during a three-year performance period that vested on the last day of the award cycle. Excludes shares withheld to satisfy tax obligations."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 11,493.07 shares acquired under the Mueller Water Products, Inc. Employee Stock Purchase Plan."}],"balance_after":45015.0663,"source":{"system":"sec-edgar","filing":"0001225208-25-009691","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1303624/000122520825009691/doc4.xml","form_type":"4"}},{"id":1052692,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Common Stock","published_at":"2025-08-29T17:09:57.000Z","date":"2025-08-28","kind":"sale","planned":false,"acquired":false,"shares":10310,"price":26.8616,"value":276943.096,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $26.860 to $26.875, inclusive. The reporting person undertakes to provide to Mueller Water Products, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 11,458.895675 shares acquired under the Employee Stock Purchase Plan (\"ESPP\")."}],"balance_after":11458.8956,"source":{"system":"sec-edgar","filing":"0001225208-25-007567","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1303624/000122520825007567/doc4.xml","form_type":"4"}},{"id":1054410,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Common Stock","published_at":"2025-08-27T20:05:51.000Z","date":"2025-08-25","kind":"tax_withholding","planned":false,"acquired":false,"shares":4493,"price":26.88,"value":120771.84,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were withheld to cover the tax liability on the lapse of the restrictions on restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 11,458.90 shares acquired under the Mueller Water Products, Inc. Employee Stock Purchase Plan."}],"balance_after":21768.8956,"source":{"system":"sec-edgar","filing":"0001225208-25-007513","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1303624/000122520825007513/doc4.xml","form_type":"4"}},{"id":1217066,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-03-07T21:58:40.000Z","date":"2025-03-05","kind":"exercise","planned":true,"acquired":false,"shares":38109,"price":11.86,"value":451972.74,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"The stock options vested in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":0,"derivative":{"exercise_price":11.86,"expiration_date":"2030-12-02","underlying":"Common Stock","underlying_shares":38109},"source":{"system":"sec-edgar","filing":"0001225208-25-003172","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1303624/000122520825003172/doc4.xml","form_type":"4"}},{"id":1217065,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Stock Option (Right to 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installments beginning on the first anniversary of the grant date."}],"balance_after":39350,"derivative":{"exercise_price":13.22,"expiration_date":"2033-11-28","underlying":"Common Stock","underlying_shares":19675},"source":{"system":"sec-edgar","filing":"0001225208-25-003172","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1303624/000122520825003172/doc4.xml","form_type":"4"}},{"id":1217062,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Common Stock","published_at":"2025-03-07T21:58:40.000Z","date":"2025-03-05","kind":"sale","planned":true,"acquired":false,"shares":38517,"price":24.8772,"value":958195.1124,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 4, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $24.645 to $25.000, inclusive. The reporting person undertakes to provide to Mueller Water Products, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Includes 11,398.651025 shares acquired under the Employee Stock Purchase Plan (\"ESPP\")."}],"balance_after":11398.651,"source":{"system":"sec-edgar","filing":"0001225208-25-003172","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1303624/000122520825003172/doc4.xml","form_type":"4"}},{"id":1217061,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Common Stock","published_at":"2025-03-07T21:58:40.000Z","date":"2025-03-05","kind":"sale","planned":true,"acquired":false,"shares":38109,"price":24.8778,"value":948068.0802,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 4, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $24.635 to $25.000, inclusive. The reporting person undertakes to provide to Mueller Water Products, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":49915.651,"source":{"system":"sec-edgar","filing":"0001225208-25-003172","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1303624/000122520825003172/doc4.xml","form_type":"4"}},{"id":1217060,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Common Stock","published_at":"2025-03-07T21:58:40.000Z","date":"2025-03-05","kind":"sale","planned":true,"acquired":false,"shares":37350,"price":24.8797,"value":929256.795,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 4, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $24.635 to $25.000, inclusive. The reporting person undertakes to provide to Mueller Water Products, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":88024.651,"source":{"system":"sec-edgar","filing":"0001225208-25-003172","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1303624/000122520825003172/doc4.xml","form_type":"4"}},{"id":1217059,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Common Stock","published_at":"2025-03-07T21:58:40.000Z","date":"2025-03-05","kind":"sale","planned":true,"acquired":false,"shares":31470,"price":24.8823,"value":783045.981,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 4, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $24.635 to $25.000, inclusive. The reporting person undertakes to provide to Mueller Water Products, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":125374.651,"source":{"system":"sec-edgar","filing":"0001225208-25-003172","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1303624/000122520825003172/doc4.xml","form_type":"4"}},{"id":1217058,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Common Stock","published_at":"2025-03-07T21:58:40.000Z","date":"2025-03-05","kind":"sale","planned":true,"acquired":false,"shares":19675,"price":24.9262,"value":490422.985,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 4, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $24.780 to $25.000, inclusive. The reporting person undertakes to provide to Mueller Water Products, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":156844.651,"source":{"system":"sec-edgar","filing":"0001225208-25-003172","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1303624/000122520825003172/doc4.xml","form_type":"4"}},{"id":1217057,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Common Stock","published_at":"2025-03-07T21:58:40.000Z","date":"2025-03-05","kind":"sale","planned":true,"acquired":false,"shares":14799,"price":24.9265,"value":368887.2735,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 4, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $24.800 to $25.000, inclusive. The reporting person undertakes to provide to Mueller Water Products, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":176519.651,"source":{"system":"sec-edgar","filing":"0001225208-25-003172","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1303624/000122520825003172/doc4.xml","form_type":"4"}},{"id":1217056,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Common Stock","published_at":"2025-03-07T21:58:40.000Z","date":"2025-03-05","kind":"sale","planned":true,"acquired":false,"shares":8089,"price":24.9266,"value":201631.2674,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 4, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $24.785 to $25.000, inclusive. The reporting person undertakes to provide to Mueller Water Products, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":191318.651,"source":{"system":"sec-edgar","filing":"0001225208-25-003172","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1303624/000122520825003172/doc4.xml","form_type":"4"}},{"id":1217055,"issuer":{"id":2326,"kind":"organization","name":"Mueller Water Products, Inc.","symbol":"MWA"},"owners":[{"id":71895,"kind":"person","name":"Heinrichs Steven S","position":1,"cik":"0001303624","reported_name":"Heinrichs Steven S","relationship":{"other":true,"other_text":"Former EVP, CFO, CLO and CCO"}}],"security":"Common 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