{"transactions":[{"id":4632518,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34273,"kind":"person","name":"COHEN STEPHANIE","position":1,"cik":"0002061446","reported_name":"COHEN STEPHANIE","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-10-02T02:39:20.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":775,"price":45.18,"value":35014.5,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $35,000 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $35,000 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $35,000 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $35,000 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":2021,"derivative":{"underlying":"Common Stock","underlying_shares":775},"source":{"system":"sec-edgar","filing":"0002061446-26-000008","document":"wk-form4_1790894358.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000206144626000008/wk-form4_1790894358.xml","form_type":"4"}},{"id":4632521,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34274,"kind":"person","name":"DE CASTRO HENRIQUE","position":1,"cik":"0001562331","reported_name":"DE CASTRO HENRIQUE","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-10-02T02:38:52.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":720,"price":45.18,"value":32529.6,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":7560,"derivative":{"underlying":"Common Stock","underlying_shares":720},"source":{"system":"sec-edgar","filing":"0001562331-26-000010","document":"wk-form4_1790894330.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000156233126000010/wk-form4_1790894330.xml","form_type":"4"}},{"id":4632522,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34276,"kind":"person","name":"DiSimone Harry","position":1,"cik":"0001732108","reported_name":"DiSimone Harry","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-10-02T02:38:27.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":775,"price":45.18,"value":35014.5,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $35,000 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $35,000 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $35,000 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $35,000 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":9420,"derivative":{"underlying":"Common Stock","underlying_shares":775},"source":{"system":"sec-edgar","filing":"0001732108-26-000012","document":"wk-form4_1790894304.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000173210826000012/wk-form4_1790894304.xml","form_type":"4"}},{"id":4632520,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34277,"kind":"person","name":"Dufetel Celine S","position":1,"cik":"0001731465","reported_name":"Dufetel Celine S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-10-02T02:37:57.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":775,"price":45.18,"value":35014.5,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $35,000 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $35,000 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $35,000 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $35,000 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":2021,"derivative":{"underlying":"Common Stock","underlying_shares":775},"source":{"system":"sec-edgar","filing":"0001731465-26-000012","document":"wk-form4_1790894274.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000173146526000012/wk-form4_1790894274.xml","form_type":"4"}},{"id":4632519,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":15055,"kind":"person","name":"FRITZ LANCE M","position":1,"cik":"0001499784","reported_name":"FRITZ LANCE M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-10-02T02:37:35.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":858,"price":45.18,"value":38764.44,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $38,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $38,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $38,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $38,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":4089,"derivative":{"underlying":"Common Stock","underlying_shares":858},"source":{"system":"sec-edgar","filing":"0000798354-26-000035","document":"wk-form4_1790894252.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000079835426000035/wk-form4_1790894252.xml","form_type":"4"}},{"id":4632517,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":20307,"kind":"person","name":"Gopal Ajei","position":1,"cik":"0001302712","reported_name":"Gopal Ajei","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-10-02T02:36:21.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":831,"price":45.18,"value":37544.58,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":3875,"derivative":{"underlying":"Common Stock","underlying_shares":831},"source":{"system":"sec-edgar","filing":"0001302712-26-000010","document":"wk-form4_1790894179.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000130271226000010/wk-form4_1790894179.xml","form_type":"4"}},{"id":4632527,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34278,"kind":"person","name":"Mamilli Wafaa","position":1,"cik":"0001800960","reported_name":"Mamilli Wafaa","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-10-02T02:35:59.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":858,"price":45.18,"value":38764.44,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $38,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $38,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $38,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $38,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":3498,"derivative":{"underlying":"Common Stock","underlying_shares":858},"source":{"system":"sec-edgar","filing":"0001800960-26-000012","document":"wk-form4_1790894156.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000180096026000012/wk-form4_1790894156.xml","form_type":"4"}},{"id":4632523,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":14450,"kind":"person","name":"Nixon Gordon M.","position":1,"cik":"0001655046","reported_name":"Nixon Gordon M.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-10-02T02:35:31.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":1107,"price":45.18,"value":50014.26,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $50,000 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $50,000 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $50,000 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $50,000 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":2784,"derivative":{"underlying":"Common Stock","underlying_shares":1107},"source":{"system":"sec-edgar","filing":"0001655046-26-000016","document":"wk-form4_1790894128.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000165504626000016/wk-form4_1790894128.xml","form_type":"4"}},{"id":4632526,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34279,"kind":"person","name":"Shedlin Gary","position":1,"cik":"0001572242","reported_name":"Shedlin Gary","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-10-02T02:35:03.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":886,"price":45.18,"value":40029.48,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $40,000 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $40,000 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $40,000 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $40,000 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":2372,"derivative":{"underlying":"Common Stock","underlying_shares":886},"source":{"system":"sec-edgar","filing":"0001572242-26-000012","document":"wk-form4_1790894101.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000157224226000012/wk-form4_1790894101.xml","form_type":"4"}},{"id":4632524,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34280,"kind":"person","name":"Yarkoni Charlotte","position":1,"cik":"0001987329","reported_name":"Yarkoni Charlotte","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-10-02T02:34:29.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":748,"price":45.18,"value":33794.64,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $33,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $33,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $33,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2026, in respect of $33,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2026, the closing price of Fiserv's common stock was $45.18 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":3831,"derivative":{"underlying":"Common Stock","underlying_shares":748},"source":{"system":"sec-edgar","filing":"0001987329-26-000018","document":"wk-form4_1790894066.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000198732926000018/wk-form4_1790894066.xml","form_type":"4"}},{"id":4623958,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":37035,"kind":"person","name":"Todd Paul M","position":1,"cik":"0001612508","reported_name":"Todd Paul M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-09-18T20:34:29.000Z","date":"2026-09-17","kind":"tax_withholding","planned":false,"acquired":false,"shares":795,"price":49.3,"value":39193.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects payment of tax liability by withholding securities incident to vesting of restricted stock units."}],"balance_after":183312,"source":{"system":"sec-edgar","filing":"0001612508-26-000009","document":"wk-form4_1789763666.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000161250826000009/wk-form4_1789763666.xml","form_type":"4"}},{"id":691443,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":15055,"kind":"person","name":"FRITZ LANCE M","position":1,"cik":"0001499784","reported_name":"FRITZ LANCE M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-11T20:15:14.000Z","date":"2026-08-07","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":51.95,"value":519500.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $51.70 to $52.08. 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":27207,"source":{"system":"sec-edgar","filing":"0000798354-26-000033","document":"wk-form4_1786479310.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000079835426000033/wk-form4_1786479310.xml","form_type":"4"}},{"id":699425,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":27353,"kind":"person","name":"Rosman Adam L.","position":1,"cik":"0001549373","reported_name":"Rosman Adam L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Admin. and Legal Officer"}}],"security":"Common Stock","published_at":"2026-08-03T22:24:04.000Z","date":"2026-08-03","kind":"grant","planned":false,"acquired":true,"shares":36799,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"One-third of these restricted stock units vest on each anniversary of the grant date."}],"balance_after":173523,"source":{"system":"sec-edgar","filing":"0001549373-26-000012","document":"wk-form4_1785795842.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000154937326000012/wk-form4_1785795842.xml","form_type":"4"}},{"id":722193,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34280,"kind":"person","name":"Yarkoni Charlotte","position":1,"cik":"0001987329","reported_name":"Yarkoni Charlotte","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-07-01T23:47:34.000Z","date":"2026-06-30","kind":"grant","planned":false,"acquired":true,"shares":663,"price":49.05,"value":32520.15,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":3083,"derivative":{"underlying":"Common Stock","underlying_shares":663},"source":{"system":"sec-edgar","filing":"0001987329-26-000016","document":"wk-form4_1782949651.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000198732926000016/wk-form4_1782949651.xml","form_type":"4"}},{"id":722192,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34279,"kind":"person","name":"Shedlin Gary","position":1,"cik":"0001572242","reported_name":"Shedlin Gary","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-07-01T23:46:53.000Z","date":"2026-06-30","kind":"grant","planned":false,"acquired":true,"shares":791,"price":49.05,"value":38798.55,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $38,750 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $38,750 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $38,750 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $38,750 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":1486,"derivative":{"underlying":"Common Stock","underlying_shares":791},"source":{"system":"sec-edgar","filing":"0001572242-26-000010","document":"wk-form4_1782949610.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000157224226000010/wk-form4_1782949610.xml","form_type":"4"}},{"id":722191,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":14450,"kind":"person","name":"Nixon Gordon M.","position":1,"cik":"0001655046","reported_name":"Nixon Gordon M.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-07-01T23:46:05.000Z","date":"2026-06-30","kind":"grant","planned":false,"acquired":true,"shares":892,"price":49.05,"value":43752.6,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $43,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $43,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $43,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $43,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":1677,"derivative":{"underlying":"Common Stock","underlying_shares":892},"source":{"system":"sec-edgar","filing":"0001655046-26-000014","document":"wk-form4_1782949563.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000165504626000014/wk-form4_1782949563.xml","form_type":"4"}},{"id":722190,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34278,"kind":"person","name":"Mamilli Wafaa","position":1,"cik":"0001800960","reported_name":"Mamilli Wafaa","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-07-01T23:45:09.000Z","date":"2026-06-30","kind":"grant","planned":false,"acquired":true,"shares":765,"price":49.05,"value":37523.25,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":2640,"derivative":{"underlying":"Common Stock","underlying_shares":765},"source":{"system":"sec-edgar","filing":"0001800960-26-000010","document":"wk-form4_1782949506.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000180096026000010/wk-form4_1782949506.xml","form_type":"4"}},{"id":722189,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":20307,"kind":"person","name":"Gopal Ajei","position":1,"cik":"0001302712","reported_name":"Gopal Ajei","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-07-01T23:44:30.000Z","date":"2026-06-30","kind":"grant","planned":false,"acquired":true,"shares":765,"price":49.05,"value":37523.25,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":3044,"derivative":{"underlying":"Common Stock","underlying_shares":765},"source":{"system":"sec-edgar","filing":"0001302712-26-000008","document":"wk-form4_1782949467.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000130271226000008/wk-form4_1782949467.xml","form_type":"4"}},{"id":722188,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":15055,"kind":"person","name":"FRITZ LANCE M","position":1,"cik":"0001499784","reported_name":"FRITZ LANCE M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-07-01T23:43:34.000Z","date":"2026-06-30","kind":"grant","planned":false,"acquired":true,"shares":765,"price":49.05,"value":37523.25,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":3231,"derivative":{"underlying":"Common Stock","underlying_shares":765},"source":{"system":"sec-edgar","filing":"0000798354-26-000025","document":"wk-form4_1782949412.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000079835426000025/wk-form4_1782949412.xml","form_type":"4"}},{"id":722187,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34277,"kind":"person","name":"Dufetel Celine S","position":1,"cik":"0001731465","reported_name":"Dufetel Celine S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-07-01T23:41:33.000Z","date":"2026-06-30","kind":"grant","planned":false,"acquired":true,"shares":663,"price":49.05,"value":32520.15,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":1246,"derivative":{"underlying":"Common Stock","underlying_shares":663},"source":{"system":"sec-edgar","filing":"0001731465-26-000010","document":"wk-form4_1782949291.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000173146526000010/wk-form4_1782949291.xml","form_type":"4"}},{"id":722186,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34276,"kind":"person","name":"DiSimone Harry","position":1,"cik":"0001732108","reported_name":"DiSimone Harry","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-07-01T23:40:50.000Z","date":"2026-06-30","kind":"grant","planned":false,"acquired":true,"shares":663,"price":49.05,"value":32520.15,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":8645,"derivative":{"underlying":"Common Stock","underlying_shares":663},"source":{"system":"sec-edgar","filing":"0001732108-26-000010","document":"wk-form4_1782949247.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000173210826000010/wk-form4_1782949247.xml","form_type":"4"}},{"id":722184,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34274,"kind":"person","name":"DE CASTRO HENRIQUE","position":1,"cik":"0001562331","reported_name":"DE CASTRO HENRIQUE","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-07-01T23:39:56.000Z","date":"2026-06-30","kind":"grant","planned":false,"acquired":true,"shares":663,"price":49.05,"value":32520.15,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":6840,"derivative":{"underlying":"Common Stock","underlying_shares":663},"source":{"system":"sec-edgar","filing":"0001562331-26-000008","document":"wk-form4_1782949193.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000156233126000008/wk-form4_1782949193.xml","form_type":"4"}},{"id":722183,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34273,"kind":"person","name":"COHEN STEPHANIE","position":1,"cik":"0002061446","reported_name":"COHEN STEPHANIE","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-07-01T23:39:10.000Z","date":"2026-06-30","kind":"grant","planned":false,"acquired":true,"shares":663,"price":49.05,"value":32520.15,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. 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Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":2420,"derivative":{"underlying":"Common Stock","underlying_shares":583},"source":{"system":"sec-edgar","filing":"0001987329-26-000008","document":"wk-form4_1775160721.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000198732926000008/wk-form4_1775160721.xml","form_type":"4"}},{"id":821705,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34279,"kind":"person","name":"Shedlin Gary","position":1,"cik":"0001572242","reported_name":"Shedlin Gary","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-04-02T20:11:32.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":695,"price":55.8,"value":38781.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $38,750 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $38,750 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $38,750 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $38,750 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":695,"derivative":{"underlying":"Common Stock","underlying_shares":695},"source":{"system":"sec-edgar","filing":"0001572242-26-000006","document":"wk-form4_1775160689.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000157224226000006/wk-form4_1775160689.xml","form_type":"4"}},{"id":821704,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34278,"kind":"person","name":"Mamilli Wafaa","position":1,"cik":"0001800960","reported_name":"Mamilli Wafaa","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-04-02T20:11:05.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":673,"price":55.8,"value":37553.4,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":1875,"derivative":{"underlying":"Common Stock","underlying_shares":673},"source":{"system":"sec-edgar","filing":"0001800960-26-000004","document":"wk-form4_1775160657.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000180096026000004/wk-form4_1775160657.xml","form_type":"4"}},{"id":821703,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":20307,"kind":"person","name":"Gopal Ajei","position":1,"cik":"0001302712","reported_name":"Gopal Ajei","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-04-02T20:10:30.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":673,"price":55.8,"value":37553.4,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":2279,"derivative":{"underlying":"Common Stock","underlying_shares":673},"source":{"system":"sec-edgar","filing":"0001302712-26-000004","document":"wk-form4_1775160626.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000130271226000004/wk-form4_1775160626.xml","form_type":"4"}},{"id":821702,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":14450,"kind":"person","name":"Nixon Gordon M.","position":1,"cik":"0001655046","reported_name":"Nixon Gordon M.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-04-02T20:09:48.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":785,"price":55.8,"value":43803.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $43,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $43,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $43,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $43,750 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":785,"derivative":{"underlying":"Common Stock","underlying_shares":785},"source":{"system":"sec-edgar","filing":"0001655046-26-000008","document":"wk-form4_1775160582.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000165504626000008/wk-form4_1775160582.xml","form_type":"4"}},{"id":821701,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":15055,"kind":"person","name":"FRITZ LANCE M","position":1,"cik":"0001499784","reported_name":"FRITZ LANCE M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-04-02T20:08:31.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":673,"price":55.8,"value":37553.4,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":2466,"derivative":{"underlying":"Common Stock","underlying_shares":673},"source":{"system":"sec-edgar","filing":"0000798354-26-000011","document":"wk-form4_1775160507.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000079835426000011/wk-form4_1775160507.xml","form_type":"4"}},{"id":821700,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34277,"kind":"person","name":"Dufetel Celine S","position":1,"cik":"0001731465","reported_name":"Dufetel Celine S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-04-02T20:07:33.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":583,"price":55.8,"value":32531.4,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on March 31, 2026, in respect of $32,500 of deferred\ncompensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On March 31, 2026, the closing price of Fiserv's common stock was $55.80 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":583,"derivative":{"underlying":"Common Stock","underlying_shares":583},"source":{"system":"sec-edgar","filing":"0001731465-26-000006","document":"wk-form4_1775160450.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000173146526000006/wk-form4_1775160450.xml","form_type":"4"}},{"id":821699,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34276,"kind":"person","name":"DiSimone Harry","position":1,"cik":"0001732108","reported_name":"DiSimone Harry","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-04-02T20:07:05.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":583,"price":55.8,"value":32531.4,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. 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Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":5594,"derivative":{"underlying":"Common Stock","underlying_shares":484},"source":{"system":"sec-edgar","filing":"0001562331-26-000002","document":"wk-form4_1767655716.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000156233126000002/wk-form4_1767655716.xml","form_type":"4"}},{"id":954121,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34276,"kind":"person","name":"DiSimone Harry","position":1,"cik":"0001732108","reported_name":"DiSimone Harry","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-01-05T23:27:53.000Z","date":"2025-12-31","kind":"grant","planned":false,"acquired":true,"shares":484,"price":67.17,"value":32510.28,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":7399,"derivative":{"underlying":"Common Stock","underlying_shares":484},"source":{"system":"sec-edgar","filing":"0001732108-26-000002","document":"wk-form4_1767655669.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000173210826000002/wk-form4_1767655669.xml","form_type":"4"}},{"id":954120,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":15055,"kind":"person","name":"FRITZ LANCE M","position":1,"cik":"0001499784","reported_name":"FRITZ LANCE M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-01-05T23:27:08.000Z","date":"2025-12-31","kind":"grant","planned":false,"acquired":true,"shares":559,"price":67.17,"value":37548.03,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":1793,"derivative":{"underlying":"Common Stock","underlying_shares":559},"source":{"system":"sec-edgar","filing":"0000798354-26-000002","document":"wk-form4_1767655626.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000079835426000002/wk-form4_1767655626.xml","form_type":"4"}},{"id":954118,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":20307,"kind":"person","name":"Gopal Ajei","position":1,"cik":"0001302712","reported_name":"Gopal Ajei","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-01-05T23:25:29.000Z","date":"2025-12-31","kind":"grant","planned":false,"acquired":true,"shares":484,"price":67.17,"value":32510.28,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":1606,"derivative":{"underlying":"Common Stock","underlying_shares":484},"source":{"system":"sec-edgar","filing":"0001302712-26-000002","document":"wk-form4_1767655526.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000130271226000002/wk-form4_1767655526.xml","form_type":"4"}},{"id":954119,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34278,"kind":"person","name":"Mamilli Wafaa","position":1,"cik":"0001800960","reported_name":"Mamilli Wafaa","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-01-05T23:24:41.000Z","date":"2025-12-31","kind":"grant","planned":false,"acquired":true,"shares":559,"price":67.17,"value":37548.03,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":1202,"derivative":{"underlying":"Common Stock","underlying_shares":559},"source":{"system":"sec-edgar","filing":"0001800960-26-000002","document":"wk-form4_1767655477.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000180096026000002/wk-form4_1767655477.xml","form_type":"4"}},{"id":954117,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":14486,"kind":"person","name":"Simons Doyle","position":1,"cik":"0001185922","reported_name":"Simons Doyle","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-01-05T23:23:43.000Z","date":"2025-12-31","kind":"grant","planned":false,"acquired":true,"shares":838,"price":67.17,"value":56288.46,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $56,250 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $56,250 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $56,250 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $56,250 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":45876,"derivative":{"underlying":"Common Stock","underlying_shares":838},"source":{"system":"sec-edgar","filing":"0001185922-26-000002","document":"wk-form4_1767655420.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000118592226000002/wk-form4_1767655420.xml","form_type":"4"}},{"id":954116,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34280,"kind":"person","name":"Yarkoni Charlotte","position":1,"cik":"0001987329","reported_name":"Yarkoni Charlotte","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2026-01-05T23:22:57.000Z","date":"2025-12-31","kind":"grant","planned":false,"acquired":true,"shares":484,"price":67.17,"value":32510.28,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on December 31, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On December 31, 2025, the closing price of Fiserv's common stock was $67.17 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":1837,"derivative":{"underlying":"Common Stock","underlying_shares":484},"source":{"system":"sec-edgar","filing":"0001987329-26-000002","document":"wk-form4_1767655375.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000198732926000002/wk-form4_1767655375.xml","form_type":"4"}},{"id":984411,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":27353,"kind":"person","name":"Rosman Adam L.","position":1,"cik":"0001549373","reported_name":"Rosman Adam L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Admin. and Legal Officer"}}],"security":"Common Stock","published_at":"2025-12-02T22:59:23.000Z","date":"2025-12-02","kind":"purchase","planned":false,"acquired":true,"shares":7900,"price":63.19,"value":499201.0,"ownership":{"direct":true},"balance_after":61285,"source":{"system":"sec-edgar","filing":"0001549373-25-000003","document":"wk-form4_1764716361.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000154937325000003/wk-form4_1764716361.xml","form_type":"4"}},{"id":984410,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":37035,"kind":"person","name":"Todd Paul M","position":1,"cik":"0001612508","reported_name":"Todd Paul M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-12-02T22:58:53.000Z","date":"2025-12-01","kind":"purchase","planned":false,"acquired":true,"shares":17000,"price":62.41,"value":1060970.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $62.34 to $62.48. The price reported above reflects the weighted average purchase 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":24453,"source":{"system":"sec-edgar","filing":"0001612508-25-000009","document":"wk-form4_1764716330.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000161250825000009/wk-form4_1764716330.xml","form_type":"4"}},{"id":984409,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":65280,"kind":"person","name":"Suryadevara Dhivya","position":1,"cik":"0001751582","reported_name":"Suryadevara Dhivya","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Co-President"}}],"security":"Common 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Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":1353,"derivative":{"underlying":"Common Stock","underlying_shares":253},"source":{"system":"sec-edgar","filing":"0001987329-25-000003","document":"wk-form4_1759437792.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000198732925000003/wk-form4_1759437792.xml","form_type":"4"}},{"id":1028569,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":14486,"kind":"person","name":"Simons Doyle","position":1,"cik":"0001185922","reported_name":"Simons Doyle","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2025-10-02T20:41:17.000Z","date":"2025-09-30","kind":"grant","planned":false,"acquired":true,"shares":437,"price":128.93,"value":56342.41,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $56,250 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $56,250 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $56,250 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $56,250 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":45038,"derivative":{"underlying":"Common Stock","underlying_shares":437},"source":{"system":"sec-edgar","filing":"0001185922-25-000003","document":"wk-form4_1759437674.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000118592225000003/wk-form4_1759437674.xml","form_type":"4"}},{"id":1028567,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":34278,"kind":"person","name":"Mamilli Wafaa","position":1,"cik":"0001800960","reported_name":"Mamilli Wafaa","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2025-10-02T20:40:28.000Z","date":"2025-09-30","kind":"grant","planned":false,"acquired":true,"shares":291,"price":128.93,"value":37518.63,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in\ncash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":643,"derivative":{"underlying":"Common Stock","underlying_shares":291},"source":{"system":"sec-edgar","filing":"0001800960-25-000005","document":"wk-form4_1759437625.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000180096025000005/wk-form4_1759437625.xml","form_type":"4"}},{"id":1028568,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":20307,"kind":"person","name":"Gopal Ajei","position":1,"cik":"0001302712","reported_name":"Gopal Ajei","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2025-10-02T20:39:57.000Z","date":"2025-09-30","kind":"grant","planned":false,"acquired":true,"shares":253,"price":128.93,"value":32619.29,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $32,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":1122,"derivative":{"underlying":"Common Stock","underlying_shares":253},"source":{"system":"sec-edgar","filing":"0001302712-25-000005","document":"wk-form4_1759437592.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000130271225000005/wk-form4_1759437592.xml","form_type":"4"}},{"id":1028566,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":15055,"kind":"person","name":"FRITZ LANCE M","position":1,"cik":"0001499784","reported_name":"FRITZ LANCE M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Compensation Notional Units","published_at":"2025-10-02T20:39:16.000Z","date":"2025-09-30","kind":"grant","planned":false,"acquired":true,"shares":291,"price":128.93,"value":37518.63,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the \"Plan\"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on September 30, 2025, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On September 30, 2025, the closing price of Fiserv's common stock was $128.93 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis."}],"balance_after":1234,"derivative":{"underlying":"Common Stock","underlying_shares":291},"source":{"system":"sec-edgar","filing":"0000798354-25-000165","document":"wk-form4_1759437553.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000079835425000165/wk-form4_1759437553.xml","form_type":"4"}}],"next_cursor":"2025-10-02T20:39:16.000000Z,1028566"}