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The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":163699,"source":{"system":"sec-edgar","filing":"0000798354-24-000096","document":"wk-form4_1713300718.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/798354/000079835424000096/wk-form4_1713300718.xml","form_type":"4"}},{"id":1541627,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":82865,"kind":"person","name":"Chiarello Guy","position":1,"cik":"0001654667","reported_name":"Chiarello Guy","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2024-04-16T20:52:08.000Z","date":"2024-04-15","kind":"sale","planned":true,"acquired":false,"shares":6482,"price":152.18,"value":986430.76,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This option exercise and sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on December 15, 2023, for estate and financial planning purposes."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $151.65 to $152.60. 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The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":163699,"source":{"system":"sec-edgar","filing":"0000798354-24-000079","document":"wk-form4_1710793062.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/798354/000079835424000079/wk-form4_1710793062.xml","form_type":"4"}},{"id":1573697,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":82865,"kind":"person","name":"Chiarello Guy","position":1,"cik":"0001654667","reported_name":"Chiarello Guy","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2024-03-18T20:17:54.000Z","date":"2024-03-15","kind":"sale","planned":true,"acquired":false,"shares":4205,"price":148.33,"value":623727.65,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This option exercise and sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on December 15, 2023, for estate and financial planning purposes."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $148.30 to $149.27. The price reported above reflects the weighted average sale price. 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The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":195356,"source":{"system":"sec-edgar","filing":"0001209191-23-026737","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000120919123026737/doc4.xml","form_type":"4"}},{"id":1930862,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":82865,"kind":"person","name":"Chiarello Guy","position":1,"cik":"0001654667","reported_name":"Chiarello Guy","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-04-04T20:21:07.000Z","date":"2023-04-03","kind":"sale","planned":true,"acquired":false,"shares":8000,"price":112.58,"value":900640.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for estate and financial planning purposes."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $112.38 to $112.80. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":203356,"source":{"system":"sec-edgar","filing":"0001209191-23-022700","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000120919123022700/doc4.xml","form_type":"4"}},{"id":1977048,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":82865,"kind":"person","name":"Chiarello Guy","position":1,"cik":"0001654667","reported_name":"Chiarello Guy","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-03-03T21:15:58.000Z","date":"2023-03-02","kind":"sale","acquired":false,"shares":13059,"price":116.02,"value":1515105.18,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $116.00 to $116.12. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Held by The Guy Chiarello 2020 Trust for the benefit of the reporting person's spouse and children and of which the reporting person's spouse serves as trustee and the reporting person serves as investment advisor."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-23-015457","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/798354/000120919123015457/doc4.xml","form_type":"4"}},{"id":1977047,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":82865,"kind":"person","name":"Chiarello Guy","position":1,"cik":"0001654667","reported_name":"Chiarello Guy","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-03-03T21:15:58.000Z","date":"2023-03-01","kind":"sale","acquired":false,"shares":13059,"price":115.07,"value":1502699.13,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $115.00 to $115.26. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Held by The Guy Chiarello 2020 Trust for the benefit of the reporting person's spouse and children and of which the reporting person's spouse serves as trustee and the reporting person serves as investment advisor."}],"balance_after":13059,"source":{"system":"sec-edgar","filing":"0001209191-23-015457","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/798354/000120919123015457/doc4.xml","form_type":"4"}},{"id":1977046,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":82865,"kind":"person","name":"Chiarello 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The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":201623,"source":{"system":"sec-edgar","filing":"0001209191-23-004657","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000120919123004657/doc4.xml","form_type":"4"}},{"id":2051676,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":82865,"kind":"person","name":"Chiarello Guy","position":1,"cik":"0001654667","reported_name":"Chiarello Guy","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-01-19T22:00:37.000Z","date":"2023-01-18","kind":"sale","acquired":false,"shares":2937,"price":105.03,"value":308473.11,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for estate and financial planning purposes."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $105.00 to $105.10. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":202686,"source":{"system":"sec-edgar","filing":"0001209191-23-004040","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000120919123004040/doc4.xml","form_type":"4"}},{"id":2064521,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":82865,"kind":"person","name":"Chiarello Guy","position":1,"cik":"0001654667","reported_name":"Chiarello Guy","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-01-05T21:12:15.000Z","date":"2023-01-04","kind":"sale","acquired":false,"shares":4000,"price":102.15,"value":408600.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for estate and financial planning purposes."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $102.04 to $102.41. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":205623,"source":{"system":"sec-edgar","filing":"0001209191-23-001798","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000120919123001798/doc4.xml","form_type":"4"}},{"id":2099309,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":82865,"kind":"person","name":"Chiarello Guy","position":1,"cik":"0001654667","reported_name":"Chiarello Guy","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2022-12-02T21:19:11.000Z","date":"2022-12-01","kind":"sale","acquired":false,"shares":14380,"price":104.8,"value":1507024.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for estate and financial planning purposes."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $104.36 to $105.05. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":209623,"source":{"system":"sec-edgar","filing":"0001209191-22-059407","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000120919122059407/doc4.xml","form_type":"4"}},{"id":2127792,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":82865,"kind":"person","name":"Chiarello Guy","position":1,"cik":"0001654667","reported_name":"Chiarello Guy","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2022-11-03T01:06:31.000Z","date":"2022-11-01","kind":"sale","acquired":false,"shares":4550,"price":103.3,"value":470015.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for estate and financial planning purposes."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $103.08 to $103.59. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":224003,"source":{"system":"sec-edgar","filing":"0001209191-22-055433","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000120919122055433/doc4.xml","form_type":"4"}},{"id":2141667,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":82865,"kind":"person","name":"Chiarello Guy","position":1,"cik":"0001654667","reported_name":"Chiarello Guy","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2022-10-06T20:11:48.000Z","date":"2022-10-05","kind":"sale","acquired":false,"shares":4000,"price":100,"value":400000.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for estate and financial planning purposes."}],"balance_after":228553,"source":{"system":"sec-edgar","filing":"0001209191-22-052980","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000120919122052980/doc4.xml","form_type":"4"}},{"id":2163631,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":82865,"kind":"person","name":"Chiarello Guy","position":1,"cik":"0001654667","reported_name":"Chiarello Guy","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2022-09-08T20:29:27.000Z","date":"2022-09-07","kind":"sale","acquired":false,"shares":4400,"price":105.05,"value":462220.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for estate and financial planning purposes."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $105.00 to $105.09. The price reported above reflects the weighted average sale price. 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