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Horne Voting Trust Agreement - 1997 for which the Reporting Person serves as trustee: (i) 1,666,970 shares held in a trust for the benefit of Daniel W. Horne, (ii) 1,666,970 shares held in a trust for the benefit of Deborah Horne, (iii) 1,495,010 shares held in a trust for the benefit of Peter W. Horne, (iv) 10,950 shares held in a trust for the benefit of Tiffany Horne Noonan, (v) 113,924 shares held in a trust for the benefit of Tiffany Horne Noonan, (vi) 6,447 shares held in a trust for the benefit of Kiera R. Noonan, (vii) 6,447 shares held in a trust for the benefit of Tessa R. Noonan, and (viii) 5,922 shares held in a trust for the benefit of Liv R. 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These shares were sold in multiple transactions at prices ranging from $330.00 to $330.90, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 range set forth in footnote (1) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":7500,"source":{"system":"sec-edgar","filing":"0001225208-26-002337","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520826002337/doc4.xml","form_type":"4"}},{"id":989386,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2025-11-25T20:04:58.000Z","date":"2025-11-25","kind":"sale","planned":false,"acquired":false,"shares":6814,"price":272.32,"value":1855588.48,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. 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These shares were sold in multiple transactions at prices ranging from $272.25 to $272.29, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 range set forth in footnotes (1) and (3) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":21814,"source":{"system":"sec-edgar","filing":"0001225208-25-009429","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520825009429/doc4.xml","form_type":"4"}},{"id":990704,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2025-11-24T11:00:15.000Z","date":"2025-11-20","kind":"sale","planned":false,"acquired":false,"shares":250,"price":272,"value":68000.0,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":22756,"source":{"system":"sec-edgar","filing":"0001225208-25-009346","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520825009346/doc4.xml","form_type":"4"}},{"id":1001040,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2025-11-13T16:04:58.000Z","date":"2025-11-12","kind":"sale","planned":false,"acquired":false,"shares":6994,"price":278.65,"value":1948878.1,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $278.00 to $279.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 range set forth in footnote (1) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":23006,"source":{"system":"sec-edgar","filing":"0001225208-25-009123","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520825009123/doc4.xml","form_type":"4"}},{"id":1010214,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2025-11-03T11:00:42.000Z","date":"2025-10-30","kind":"exercise","planned":false,"acquired":false,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":920000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0001225208-25-008850","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520825008850/doc4.xml","form_type":"4"}},{"id":1010213,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2025-11-03T11:00:42.000Z","date":"2025-10-30","kind":"exercise","planned":false,"acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":30000,"source":{"system":"sec-edgar","filing":"0001225208-25-008850","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520825008850/doc4.xml","form_type":"4"}},{"id":1122122,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2025-06-05T17:22:43.000Z","date":"2025-05-28","kind":"sale","planned":false,"acquired":false,"shares":7000,"price":241.85,"value":1692950.0,"ownership":{"direct":false,"nature":"By Tiffany R. 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Horne Voting Trust Agreement - 1997 for which the Reporting Person serves as trustee: (i) 1,666,970 shares held in a trust for the benefit of Daniel W. Horne, (ii) 1,666,970 shares held in a trust for the benefit of Deborah Horne, (iii) 1,495,010 shares held in a trust for the benefit of Peter W. Horne, (iv) 14,600 shares held in a trust for the benefit of Tiffany Horne Noonan, (v) 113,924 shares held in a trust for the benefit of Tiffany Horne Noonan, (vi) 6,447 shares held in a trust for the benefit of Kiera R. Noonan, (vii) 6,447 shares held in a trust for the benefit of Tessa R. Noonan, and (viii) 5,922 shares held in a trust for the benefit of Liv R. 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The Reporting Person serves as co-trustee of this trust."}],"balance_after":7000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":7000},"source":{"system":"sec-edgar","filing":"0001225208-25-005416","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520825005416/doc4.xml","form_type":"4"}},{"id":1374722,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2024-11-06T21:48:05.000Z","date":"2024-11-06","kind":"sale","planned":false,"acquired":false,"shares":5000,"price":214.52,"value":1072600.0,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $214.15 to $214.97, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 range set forth in footnote (1) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001225208-24-009679","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520824009679/doc4.xml","form_type":"4"}},{"id":1502829,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2024-05-24T13:50:22.000Z","date":"2024-05-23","kind":"sale","planned":false,"acquired":false,"shares":1419,"price":209.79,"value":297692.01,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $209.34 to $210.13, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a trust for the benefit of Tiffany Horne Noonan. 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These shares were sold in multiple transactions at prices ranging from $166.51 to $167.11, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 footnotes (1), (3) and (4) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":27200,"source":{"system":"sec-edgar","filing":"0001225208-23-006077","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520823006077/doc4.xml","form_type":"4"}},{"id":1887810,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2023-05-18T14:46:51.000Z","date":"2023-05-17","kind":"sale","planned":false,"acquired":false,"shares":7000,"price":165.09,"value":1155630.0,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.00 to $165.37, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 range set forth in footnote (1) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":28000,"source":{"system":"sec-edgar","filing":"0001225208-23-006021","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520823006021/doc4.xml","form_type":"4"}},{"id":1894383,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2023-05-15T20:11:44.000Z","date":"2023-05-12","kind":"sale","planned":false,"acquired":false,"shares":8742,"price":166.25,"value":1453357.5,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.02 to $166.90, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":35000,"source":{"system":"sec-edgar","filing":"0001225208-23-005899","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520823005899/doc4.xml","form_type":"4"}},{"id":1894382,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2023-05-15T20:11:44.000Z","date":"2023-05-12","kind":"sale","planned":false,"acquired":false,"shares":5358,"price":165.53,"value":886909.74,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.00 to $165.97, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":43742,"source":{"system":"sec-edgar","filing":"0001225208-23-005899","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520823005899/doc4.xml","form_type":"4"}},{"id":1894381,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2023-05-15T20:11:44.000Z","date":"2023-05-12","kind":"sale","planned":false,"acquired":false,"shares":900,"price":167.17,"value":150453.0,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.00 to $167.29, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 footnotes (1), (3) and (4) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":49100,"source":{"system":"sec-edgar","filing":"0001225208-23-005899","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520823005899/doc4.xml","form_type":"4"}},{"id":2127796,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2022-11-02T16:44:40.000Z","date":"2022-11-01","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":950000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001225208-22-011282","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520822011282/doc4.xml","form_type":"4"}},{"id":2127795,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2022-11-02T16:44:40.000Z","date":"2022-11-01","kind":"exercise","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001225208-22-011282","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520822011282/doc4.xml","form_type":"4"}},{"id":2191474,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2022-08-09T15:37:26.000Z","date":"2022-08-08","kind":"sale","acquired":false,"shares":12993,"price":143.51,"value":1864625.43,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $143.00 to $143.95, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a trust for the benefit of Tiffany Horne Noonan. The Reporting Person serves as co-trustee of this trust."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001225208-22-009374","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520822009374/doc4.xml","form_type":"4"}},{"id":2191473,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2022-08-09T15:37:26.000Z","date":"2022-08-08","kind":"sale","acquired":false,"shares":1968,"price":145.68,"value":286698.24,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $145.65 to $145.70, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a trust for the benefit of Tiffany Horne Noonan. The Reporting Person serves as co-trustee of this trust."}],"balance_after":12993,"source":{"system":"sec-edgar","filing":"0001225208-22-009374","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520822009374/doc4.xml","form_type":"4"}},{"id":2191472,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2022-08-09T15:37:26.000Z","date":"2022-08-08","kind":"sale","acquired":false,"shares":1039,"price":144.57,"value":150208.23,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $144.00 to $144.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 footnotes (1), (3) and (4) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a trust for the benefit of Tiffany Horne Noonan. The Reporting Person serves as co-trustee of this trust."}],"balance_after":14961,"source":{"system":"sec-edgar","filing":"0001225208-22-009374","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520822009374/doc4.xml","form_type":"4"}},{"id":2208832,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2022-07-12T16:30:46.000Z","date":"2022-07-11","kind":"exercise","acquired":false,"shares":16000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On November 2, 2021, the Reporting Person resigned as co-trustee of a trust for the benefit of Tara V. Horne, the Reporting Person's daughter. The Reporting Person ceased to beneficially own any shares held by this trust as of such date and any such shares are not included in this total."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Consists of the following shares of Class B Common Stock which are subject to The Amended and Restated George B. Horne Voting Trust Agreement - 1997 for which the Reporting Person serves as trustee: (i) 1,666,970 shares held in a trust for the benefit of Daniel W. Horne, (ii) 1,666,970 shares held in a trust for the benefit of Deborah Horne, (iii) 1,495,010 shares held in a trust for the benefit of Peter W. Horne, (iv) 22,600 shares held in a trust for the benefit of Tiffany Horne Noonan, (v) 113,924 shares held in a trust for the benefit of Tiffany Horne Noonan, (vi) 4,000 shares held in a trust for the benefit of Tiffany Horne Noonan, (vii) 6,447 shares held in a trust for the benefit of Kiera R. Noonan, (viii) 6,447 shares held in a trust for the benefit of Tessa R. Noonan, and (ix) 5,922 shares held in a trust for the benefit of Liv R. Noonan."}],"balance_after":4988290,"derivative":{"underlying":"Class A Common Stock","underlying_shares":16000},"source":{"system":"sec-edgar","filing":"0001225208-22-008771","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520822008771/doc4.xml","form_type":"4"}},{"id":2208831,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2022-07-12T16:30:46.000Z","date":"2022-07-11","kind":"exercise","acquired":true,"shares":16000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On November 2, 2021, the Reporting Person resigned as co-trustee of a trust for the benefit of Tara V. Horne, the Reporting Person's daughter. The Reporting Person ceased to beneficially own any shares held by this trust as of such date and any such shares are not included in this total."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The shares are held in a trust for the benefit of Tiffany Horne Noonan. The Reporting Person serves as co-trustee of this trust."}],"balance_after":16000,"source":{"system":"sec-edgar","filing":"0001225208-22-008771","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520822008771/doc4.xml","form_type":"4"}},{"id":2516619,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2021-11-12T17:51:08.000Z","date":"2021-11-10","kind":"sale","acquired":false,"shares":7500,"price":209.09,"value":1568175.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $208.79 to $209.30, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 range set forth in footnote (1) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a trust for the benefit of Tara V. Horne.  The Reporting Person serves as co-trustee of this trust."}],"balance_after":12500,"source":{"system":"sec-edgar","filing":"0001225208-21-013823","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520821013823/doc4.xml","form_type":"4"}},{"id":2516618,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2021-11-12T11:02:00.000Z","date":"2021-11-08","kind":"exercise","acquired":false,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Consists of the following shares of Class B Common Stock which are subject to The Amended and Restated George B. Horne Voting Trust Agreement - 1997 for which the Reporting Person serves as trustee: (i) 1,666,970 shares held in a trust for the benefit of Daniel W. Horne, (ii) 1,666,970 shares held in a trust for the benefit of Deborah Horne, (iii) 1,495,010 shares held in a trust for the benefit of Peter W. Horne, (iv) 22,600 shares held in a trust for the benefit of Tiffany Horne Noonan, (v) 113,924 shares held in a trust for the benefit of Tiffany Horne Noonan, (vi)  20,000 shares held in a trust for the benefit of Tiffany Horne Noonan, (vii) 6,447 shares held in a trust for the benefit of Kiera R. Noonan, (viii) 6,447 shares held in a trust for the benefit of Tessa R. Noonan, and (ix) 5,922 shares held in a trust for the benefit of Liv R. Noonan."}],"balance_after":5004290,"derivative":{"underlying":"Class A Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001225208-21-013799","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520821013799/doc4.xml","form_type":"4"}},{"id":2516617,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2021-11-12T11:02:00.000Z","date":"2021-11-08","kind":"exercise","acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a trust for the benefit of Tara V. Horne.  The Reporting Person serves as co-trustee of this trust."}],"balance_after":20000,"source":{"system":"sec-edgar","filing":"0001225208-21-013799","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520821013799/doc4.xml","form_type":"4"}},{"id":2694319,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2021-05-27T14:11:39.000Z","date":"2021-05-26","kind":"sale","acquired":false,"shares":25000,"price":134.14,"value":3353500.0,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.00 to $134.69, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 range set forth in footnote (1) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001225208-21-008582","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520821008582/doc4.xml","form_type":"4"}},{"id":2696191,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2021-05-26T14:48:07.000Z","date":"2021-05-25","kind":"sale","acquired":false,"shares":13859,"price":132.94,"value":1842415.46,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.50 to $133.23, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":25000,"source":{"system":"sec-edgar","filing":"0001225208-21-008564","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520821008564/doc4.xml","form_type":"4"}},{"id":2696190,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2021-05-26T14:48:07.000Z","date":"2021-05-24","kind":"sale","acquired":false,"shares":11141,"price":132.68,"value":1478187.88,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.50 to $132.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 range set forth in footnotes (1) and (3) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":38859,"source":{"system":"sec-edgar","filing":"0001225208-21-008564","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520821008564/doc4.xml","form_type":"4"}},{"id":2699941,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2021-05-24T18:53:40.000Z","date":"2021-05-21","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"These shares of Class B Common Stock are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":1000000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001225208-21-008453","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520821008453/doc4.xml","form_type":"4"}},{"id":2699940,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2021-05-24T18:53:40.000Z","date":"2021-05-21","kind":"exercise","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Revocable Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held in a revocable trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001225208-21-008453","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520821008453/doc4.xml","form_type":"4"}},{"id":2823450,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2021-03-02T22:00:11.000Z","date":"2021-03-02","kind":"sale","acquired":false,"shares":19402,"price":114.72,"value":2225797.44,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.15 to $115.11, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a trust for the benefit of Tiffany Horne Noonan. The Reporting Person serves as co-trustee of this trust."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001225208-21-004256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520821004256/doc4.xml","form_type":"4"}},{"id":2823449,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2021-03-02T22:00:11.000Z","date":"2021-03-02","kind":"sale","acquired":false,"shares":598,"price":115.55,"value":69098.9,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.16 to 115.85, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 range set forth in footnotes (1) and (3) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a trust for the benefit of Tiffany Horne Noonan. 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Horne Voting Trust Agreement - 1997 for which the Reporting Person serves as trustee: (i) 1,666,970 shares held in a trust for the benefit of Daniel W. Horne, (ii) 1,666,970 shares held in a trust for the benefit of Deborah Horne, (iii) 1,495,010 shares held in a trust for the benefit of Peter W. Horne, (iv) 22,600 shares held in a trust for the benefit of Tiffany Horne Noonan, (v) 113,924 shares held in a trust for the benefit of Tiffany Horne Noonan, (vi) 20,000 shares held in a trust for the benefit of Tara V. Horne, (vii) 20,000 shares held in a trust for the benefit of Tiffany Horne Noonan, (viii) 6,447 shares held in a trust for the benefit of Kiera R. Noonan, (ix) 6,447 shares held in a trust for the benefit of Tessa R. Noonan, and (x) 5,922 shares held in a trust for the benefit of Liv R. 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Horne Voting Trust Agreement - 1997 for which the Reporting Person serves as trustee: (i) 1,666,970 shares held in a trust for the benefit of Daniel W. Horne, (ii) 1,666,970 shares held in a trust for the benefit of Deborah Horne, (iii) 1,495,010 shares held in a trust for the benefit of Peter W. Horne, (iv) 22,600 shares held in a trust for the benefit of Tiffany Horne Noonan, (v) 113,924 shares held in a trust for the benefit of Tiffany Horne Noonan, (vi) 20,000 shares held in a trust for the benefit of Tara V. Horne, (vii) 40,000 shares held in a trust for the benefit of Tiffany Horne Noonan, (viii) 6,447 shares held in a trust for the benefit of Kiera R. Noonan, (ix) 6,447 shares held in a trust for the benefit of Tessa R. Noonan, and (x) 5,922 shares held in a trust for the benefit of Liv R. 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These shares were sold in multiple transactions at prices ranging from $116.16 to $116.55, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 range set forth in footnote (3) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a trust for the benefit of Tara V. Horne.  The Reporting Person serves as co-trustee of this trust."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001225208-20-014360","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520820014360/doc4.xml","form_type":"4"}},{"id":2954405,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2020-12-08T21:16:18.000Z","date":"2020-12-07","kind":"exercise","acquired":true,"shares":15000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a trust for the benefit of Tara V. 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The Reporting Person serves as co-trustee of this trust."}],"balance_after":15000,"source":{"system":"sec-edgar","filing":"0001225208-20-014360","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520820014360/doc4.xml","form_type":"4"}},{"id":2972078,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2020-11-20T18:43:31.000Z","date":"2020-11-19","kind":"sale","acquired":false,"shares":18316,"price":115.45,"value":2114582.2,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.00 to $115.99, inclusive."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by a trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001225208-20-013726","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520820013726/doc4.xml","form_type":"4"}},{"id":2972077,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2020-11-20T18:43:31.000Z","date":"2020-11-19","kind":"sale","acquired":false,"shares":6991,"price":116.17,"value":812144.47,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $116.00 to $116.43, inclusive."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by a trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":18316,"source":{"system":"sec-edgar","filing":"0001225208-20-013726","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520820013726/doc4.xml","form_type":"4"}},{"id":2972076,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2020-11-20T18:43:31.000Z","date":"2020-11-18","kind":"sale","acquired":false,"shares":22818,"price":116.56,"value":2659666.08,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $116.26 to $117.25, inclusive."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by a trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":25307,"source":{"system":"sec-edgar","filing":"0001225208-20-013726","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520820013726/doc4.xml","form_type":"4"}},{"id":2972075,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2020-11-20T18:43:31.000Z","date":"2020-11-18","kind":"sale","acquired":false,"shares":1875,"price":117.47,"value":220256.25,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.26 to $117.69, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 range set forth in footnotes (1), (3), (4) and (5) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by a trust of which the Reporting Person is the sole trustee and the sole beneficiary."}],"balance_after":48125,"source":{"system":"sec-edgar","filing":"0001225208-20-013726","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520820013726/doc4.xml","form_type":"4"}},{"id":2976552,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2020-11-18T21:44:29.000Z","date":"2020-11-17","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."}],"balance_after":1050000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001225208-20-013656","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520820013656/doc4.xml","form_type":"4"}},{"id":2976551,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2020-11-18T21:44:29.000Z","date":"2020-11-17","kind":"exercise","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001225208-20-013656","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520820013656/doc4.xml","form_type":"4"}},{"id":3044213,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2020-08-31T21:07:16.000Z","date":"2020-08-31","kind":"sale","acquired":false,"shares":20000,"price":96.47,"value":1929400.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The shares are held in a trust for the benefit of Tara V. 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Horne Voting Trust Agreement - 1997 for which the Reporting Person serves as trustee: (i) 1,666,970 shares held in a trust for the benefit of Daniel W. Horne, (ii) 1,666,970 shares held in a trust for the benefit of Deborah Horne, (iii) 1,495,010 shares held in a trust for the benefit of Peter W. Horne, (iv) 22,600 shares held in a trust for the benefit of Tiffany Horne Noonan, (v) 113,924 shares held in a trust for the benefit of Tiffany Horne Noonan, (vi) 35,000 shares held in a trust for the benefit of Tara V. Horne, (vii) 40,000 shares held in a trust for the benefit of Tiffany Horne Noonan, (viii) 6,447 shares held in a trust for the benefit of Kiera R. Noonan, (ix) 6,447 shares held in a trust for the benefit of Tessa R. Noonan, and (x) 5,922 shares held in a trust for the benefit of Liv R. 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These shares were sold in multiple transactions at prices ranging from $97.70 to $98.65, inclusive."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by a charitable remainder trust of which the Reporting Person is a trustee and of which the Reporting Person is the sole beneficiary."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001225208-20-004435","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520820004435/doc4.xml","form_type":"4"}},{"id":3225688,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2020-03-05T21:39:59.000Z","date":"2020-03-04","kind":"sale","acquired":false,"shares":703,"price":98.71,"value":69393.13,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.71 to $98.79, inclusive. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, 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 footnotes (1) and (3) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held by a charitable remainder trust of which the Reporting Person is a trustee and of which the Reporting Person is the sole beneficiary."}],"balance_after":49297,"source":{"system":"sec-edgar","filing":"0001225208-20-004435","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520820004435/doc4.xml","form_type":"4"}},{"id":3247525,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES 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Horne Voting Trust Agreement - 1997 for which the Reporting Person serves as trustee: (i) 1,666,970 shares held in a trust for the benefit of Daniel W. Horne, (ii) 1,666,970 shares held in a trust for the benefit of Deborah Horne, (iii) 1,495,010 shares held in a trust for the benefit of Peter W. Horne, (iv) 22,600 shares held in a trust for the benefit of Tiffany Horne Noonan, (v) 130,115 shares held in a trust for the benefit of Tiffany Horne Noonan, (vi) 55,000 shares held in a trust for the benefit of Tara V. Horne, (vii) 40,000 shares held in a trust for the benefit of Tiffany Horne Noonan, (viii) 1050 shares held in a trust for the benefit of Kiera R. Noonan, (ix) 1050 shares held in a trust for the benefit of Tessa R. Noonan, and (x) 525 shares held in trust for the benefit of Liv R. 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Of this amount, 525 shares were transferred by gift to the trust for the benefit of Kiera R. Noonan, 525 shares were transferred to the trust for the benefit of Tessa R. Noonan, and 525 shares were transferred to a new trust for the benefit of Liv R. Noonan. The shares held by these trusts are subject to the Amended and Restated George B. Horne Voting Trust Agreement - 1997 for which the Reporting Person serves as trustee (the \"Voting Trust\"). Following these transfers, 130,115 shares remain held by the trust for the benefit of Tiffany Horne Noonan and are subject to the Voting Trust."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Consists of the following shares of Class B Common Stock which are subject to The Amended and Restated George B. Horne Voting Trust Agreement - 1997 for which the Reporting Person serves as trustee: (i) 1,666,970 shares held in a trust for the benefit of Daniel W. Horne, (ii) 1,666,970 shares held in a trust for the benefit of Deborah Horne, (iii) 1,495,010 shares held in a trust for the benefit of Peter W. Horne, (iv) 22,600 shares held in a trust for the benefit of Tiffany Horne Noonan, (v) 130,115 shares held in a trust for the benefit of Tiffany Horne Noonan, (vi) 55,000 shares held in a trust for the benefit of Tara V. Horne, (vii) 40,000 shares held in a trust for the benefit of Tiffany Horne Noonan, (viii) 1050 shares held in a trust for the benefit of Kiera R. Noonan, (ix) 1050 shares held in a trust for the benefit of Tessa R. Noonan, and (x) 525 shares held in trust for the benefit of Liv R. Noonan."}],"balance_after":5080865,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1575},"source":{"system":"sec-edgar","filing":"0001225208-18-003226","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520818003226/doc4.xml","form_type":"4"}},{"id":4080612,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2018-02-02T16:02:15.000Z","date":"2017-12-27","kind":"gift","acquired":false,"shares":1050,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"shares","element":"transactionShares","label":"F4","text":"On December 27, 2017, 1050 shares of Class B Common Stock were transferred by gift from a trust for the benefit of Tiffany Horne Noonan.  Of this amount, 525 shares were transferred by gift to a new trust for the benefit of Kiera R. Noonan, and 525 shares were transferred to a new trust for the benefit of Tessa R. Noonan.  The shares held by these new trusts are subject to the Amended and Restated George B. Horne Voting Trust Agreement - 1997 for which the Reporting Person serves as trustee (the \"Voting Trust\").  Following these transfers, 131,960 shares remain held by the trust for the benefit of Tiffany Horne Noonan and are subject to the Voting Trust."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Consists of the following shares of Class B Common Stock which are subject to The Amended and Restated George B. Horne Voting Trust Agreement - 1997 for which the Reporting Person serves as trustee: (i) 1,666,970 shares held in a trust for the benefit of Daniel W. Horne, (ii) 1,666,970 shares held in a trust for the benefit of Deborah Horne, (iii) 1,495,010 shares held in a trust for the benefit of Peter W. Horne, (iv) 22,600 shares held in a trust for the benefit of Tiffany Horne Noonan, (v) 131,690 shares held in a trust for the benefit of Tiffany Horne Noonan, (vi) 55,000 shares held in a trust for the benefit of Tara V. Horne, (vii) 40,000 shares held in a trust for the benefit of Tiffany Horne Noonan, (viii) 525 shares held in a trust for the benefit of Kiera R. Noonan, and (ix) 525 shares held in a trust for the benefit of Tessa R. Noonan."}],"balance_after":5079290,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1050},"source":{"system":"sec-edgar","filing":"0001225208-18-002017","document":"doc5.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520818002017/doc5.xml","form_type":"5"}},{"id":4080611,"issuer":{"id":44,"kind":"organization","name":"WATTS WATER TECHNOLOGIES INC","symbol":"WTS"},"owners":[{"id":21075,"kind":"person","name":"HORNE TIMOTHY P","position":1,"cik":"0001235976","reported_name":"HORNE TIMOTHY P","relationship":{"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2018-02-02T16:02:15.000Z","date":"2017-12-27","kind":"gift","acquired":true,"shares":1050,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"All shares of Class B Common Stock were convertible into Class A Common Stock upon issuance and do not have an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Consists of the following shares of Class B Common Stock which are subject to The Amended and Restated George B. Horne Voting Trust Agreement - 1997 for which the Reporting Person serves as trustee: (i) 1,666,970 shares held in a trust for the benefit of Daniel W. Horne, (ii) 1,666,970 shares held in a trust for the benefit of Deborah Horne, (iii) 1,495,010 shares held in a trust for the benefit of Peter W. Horne, (iv) 22,600 shares held in a trust for the benefit of Tiffany Horne Noonan, (v) 131,690 shares held in a trust for the benefit of Tiffany Horne Noonan, (vi) 55,000 shares held in a trust for the benefit of Tara V. Horne, (vii) 40,000 shares held in a trust for the benefit of Tiffany Horne Noonan, (viii) 525 shares held in a trust for the benefit of Kiera R. Noonan, and (ix) 525 shares held in a trust for the benefit of Tessa R. Noonan."}],"balance_after":5080340,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1050},"source":{"system":"sec-edgar","filing":"0001225208-18-002017","document":"doc5.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/795403/000122520818002017/doc5.xml","form_type":"5"}}]}