FISV

SEC source: 0001732108-25-000005 · wk-form4_1759436548.xml · derivative · entry 1

DiSimone Harry · CIK 0001732108 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,915

Underlying: Common Stock · 253 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F1 · price: 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.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

SEC source: 0001562331-25-000005 · wk-form4_1759436508.xml · derivative · entry 1

DE CASTRO HENRIQUE · CIK 0001562331 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,110

Underlying: Common Stock · 253 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F1 · price: 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.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

SEC source: 0000798354-25-000159 · wk-form4_1752873164.xml · nonDerivative · entry 1

LaClair Jennifer A. · CIK 0001733079 · EVP, Head of Merchant Sols.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,010

F1 · shares: Reflects payment of tax liability by withholding securities incident to vesting of restricted stock units.

SEC source: 0000798354-25-000157 · wk-form4_1751487808.xml · derivative · entry 1

Yarkoni Charlotte · CIK 0001987329 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,100

Underlying: Common Stock · 189 shares

Expires not disclosed

F1 · derivative.exercise_price: 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, 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 June 30, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · price: 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, 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 June 30, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · derivative.exercise_date: 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, 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 June 30, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · derivative.expiration_date: 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, 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 June 30, 2025, the closing price of Fiserv's common stock was $172.41 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.

SEC source: 0000798354-25-000156 · wk-form4_1751487777.xml · derivative · entry 1

Simons Doyle · CIK 0001185922 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,601

Underlying: Common Stock · 285 shares

Expires not disclosed

F1 · derivative.exercise_price: 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, 2025, in respect of $49,038 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · price: 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, 2025, in respect of $49,038 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · derivative.exercise_date: 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, 2025, in respect of $49,038 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · derivative.expiration_date: 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, 2025, in respect of $49,038 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

SEC source: 0000798354-25-000155 · wk-form4_1751487743.xml · derivative · entry 1

Mamilli Wafaa · CIK 0001800960 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 352

Underlying: Common Stock · 204 shares

Expires not disclosed

F1 · derivative.exercise_price: 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, 2025, in respect of $35,137 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · price: 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, 2025, in respect of $35,137 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · derivative.exercise_date: 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, 2025, in respect of $35,137 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · derivative.expiration_date: 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, 2025, in respect of $35,137 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

SEC source: 0000798354-25-000154 · wk-form4_1751487717.xml · derivative · entry 1

Gopal Ajei · CIK 0001302712 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 869

Underlying: Common Stock · 189 shares

Expires not disclosed

F1 · derivative.exercise_price: 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, 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 June 30, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · price: 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, 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 June 30, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · derivative.exercise_date: 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, 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 June 30, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · derivative.expiration_date: 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, 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 June 30, 2025, the closing price of Fiserv's common stock was $172.41 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.

SEC source: 0000798354-25-000153 · wk-form4_1751487689.xml · derivative · entry 1

FRITZ LANCE M · CIK 0001499784 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 943

Underlying: Common Stock · 204 shares

Expires not disclosed

F1 · derivative.exercise_price: 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, 2025, in respect of $35,137 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · price: 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, 2025, in respect of $35,137 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · derivative.exercise_date: 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, 2025, in respect of $35,137 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · derivative.expiration_date: 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, 2025, in respect of $35,137 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

SEC source: 0000798354-25-000152 · wk-form4_1751487657.xml · derivative · entry 1

DiSimone Harry · CIK 0001732108 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,662

Underlying: Common Stock · 203 shares

Expires not disclosed

F1 · derivative.exercise_price: 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, 2025, in respect of $34,863 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · price: 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, 2025, in respect of $34,863 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · derivative.exercise_date: 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, 2025, in respect of $34,863 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · derivative.expiration_date: 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, 2025, in respect of $34,863 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, 2025, the closing price of Fiserv's common stock was $172.41 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.

SEC source: 0000798354-25-000151 · wk-form4_1751487628.xml · derivative · entry 1

DE CASTRO HENRIQUE · CIK 0001562331 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,857

Underlying: Common Stock · 189 shares

Expires not disclosed

F1 · derivative.exercise_price: 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, 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 June 30, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · price: 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, 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 June 30, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · derivative.exercise_date: 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, 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 June 30, 2025, the closing price of Fiserv's common stock was $172.41 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.

F1 · derivative.expiration_date: 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, 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 June 30, 2025, the closing price of Fiserv's common stock was $172.41 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.

SEC source: 0000798354-25-000134 · wk-form4_1748551337.xml · nonDerivative · entry 1

Gelb Andrew · CIK 0001654671 · EVP, Co-Head of Fin. Sols.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,385

F1 · price: This transaction was executed in multiple trades at prices ranging from $160.00 to $160.01. 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.

SEC source: 0000798354-25-000132 · wk-form4_1748477881.xml · nonDerivative · entry 2

Rosman Adam L. · CIK 0001549373 · Chief Admin. and Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,385

F1 · shares: This sale was effected pursuant to a Rule 10b5-1 trading plan entered into on November 11, 2024, by the reporting person for estate and financial planning purposes.

F3 · price: This transaction was executed in multiple trades at prices ranging from $161.18 to $161.42. 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.

SEC source: 0000798354-25-000132 · wk-form4_1748477881.xml · nonDerivative · entry 1

Rosman Adam L. · CIK 0001549373 · Chief Admin. and Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,630

F1 · shares: This sale was effected pursuant to a Rule 10b5-1 trading plan entered into on November 11, 2024, by the reporting person for estate and financial planning purposes.

F2 · price: This transaction was executed in multiple trades at prices ranging from $160.08 to $161.00. 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.

SEC source: 0000798354-25-000126 · wk-form4_1747426426.xml · derivative · entry 3

Simons Doyle · CIK 0001185922 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,594 shares

Expires 2025-05-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000798354-25-000126 · wk-form4_1747426426.xml · nonDerivative · entry 2

Simons Doyle · CIK 0001185922 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,382

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000798354-25-000128 · wk-form4_1747426500.xml · nonDerivative · entry 1

Yarkoni Charlotte · CIK 0001987329 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,002

F1 · shares: These restricted stock units each represent a contingent right to receive one share of Fiserv, Inc. common stock. The restricted stock units vest 100% on the earlier of: (i) the first anniversary of the grant date; or (ii) immediately prior to the first annual meeting of shareholders after the grant date.

SEC source: 0000798354-25-000127 · wk-form4_1747426465.xml · nonDerivative · entry 1

WARREN KEVIN M · CIK 0001495787 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,483

F1 · shares: These restricted stock units each represent a contingent right to receive one share of Fiserv, Inc. common stock. The restricted stock units vest 100% on the earlier of: (i) the first anniversary of the grant date; or (ii) immediately prior to the first annual meeting of shareholders after the grant date.

SEC source: 0000798354-25-000126 · wk-form4_1747426426.xml · nonDerivative · entry 1

Simons Doyle · CIK 0001185922 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,788

F1 · shares: These restricted stock units each represent a contingent right to receive one share of Fiserv, Inc. common stock. The restricted stock units vest 100% on the earlier of: (i) the first anniversary of the grant date; or (ii) immediately prior to the first annual meeting of shareholders after the grant date.

SEC source: 0000798354-25-000124 · wk-form4_1747426362.xml · nonDerivative · entry 1

Mamilli Wafaa · CIK 0001800960 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,305

F1 · shares: These restricted stock units each represent a contingent right to receive one share of Fiserv, Inc. common stock. The restricted stock units vest 100% on the earlier of: (i) the first anniversary of the grant date; or (ii) immediately prior to the first annual meeting of shareholders after the grant date.

SEC source: 0000798354-25-000123 · wk-form4_1747426332.xml · nonDerivative · entry 1

Gopal Ajei · CIK 0001302712 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,208

F1 · shares: These restricted stock units each represent a contingent right to receive one share of Fiserv, Inc. common stock. The restricted stock units vest 100% on the earlier of: (i) the first anniversary of the grant date; or (ii) immediately prior to the first annual meeting of shareholders after the grant date.

SEC source: 0000798354-25-000122 · wk-form4_1747426290.xml · nonDerivative · entry 1

FRITZ LANCE M · CIK 0001499784 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,086

F1 · shares: These restricted stock units each represent a contingent right to receive one share of Fiserv, Inc. common stock. The restricted stock units vest 100% on the earlier of: (i) the first anniversary of the grant date; or (ii) immediately prior to the first annual meeting of shareholders after the grant date.

SEC source: 0000798354-25-000121 · wk-form4_1747426244.xml · nonDerivative · entry 1

DiSimone Harry · CIK 0001732108 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,398

F1 · shares: These restricted stock units each represent a contingent right to receive one share of Fiserv, Inc. common stock. The restricted stock units vest 100% on the earlier of: (i) the first anniversary of the grant date; or (ii) immediately prior to the first annual meeting of shareholders after the grant date.

SEC source: 0000798354-25-000120 · wk-form4_1747426178.xml · nonDerivative · entry 1

DE CASTRO HENRIQUE · CIK 0001562331 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,112

F1 · shares: These restricted stock units each represent a contingent right to receive one share of Fiserv, Inc. common stock. The restricted stock units vest 100% on the earlier of: (i) the first anniversary of the grant date; or (ii) immediately prior to the first annual meeting of shareholders after the grant date.

SEC source: 0000798354-25-000119 · wk-form4_1747426126.xml · nonDerivative · entry 1

COHEN STEPHANIE · CIK 0002061446 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,389

F1 · shares: These restricted stock units each represent a contingent right to receive one share of Fiserv, Inc. common stock. The restricted stock units vest 100% on the earlier of: (i) the first anniversary of the grant date; or (ii) immediately prior to the first annual meeting of shareholders after the grant date.

SEC source: 0000798354-25-000108 · wk-form4_1746661709.xml · nonDerivative · entry 4

Bisignano Frank · CIK 0001346629 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 348

SEC source: 0000798354-25-000108 · wk-form4_1746661709.xml · nonDerivative · entry 3

Bisignano Frank · CIK 0001346629 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,116,818

SEC source: 0000798354-25-000108 · wk-form4_1746661709.xml · nonDerivative · entry 2

Bisignano Frank · CIK 0001346629 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,116,920

F2 · shares: Reflects payment of tax liability by withholding securities incident to vesting of performance share units and restricted stock units.

SEC source: 0000798354-25-000108 · wk-form4_1746661709.xml · nonDerivative · entry 1

Bisignano Frank · CIK 0001346629 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,321,496

F1 · shares: Reflects the issuance of shares on May 6, 2025, upon the vesting of performance share units granted on February 23, 2023, and February 21, 2024.

SEC source: 0000798354-25-000106 · wk-form4_1745957122.xml · nonDerivative · entry 1

Bisignano Frank · CIK 0001346629 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,110,582

SEC source: 0000798354-25-000098 · wk-form4_1743547349.xml · derivative · entry 1

Yarkoni Charlotte · CIK 0001987329 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 911

Underlying: Common Stock · 148 shares

Expires not disclosed

F1 · derivative.exercise_price: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · price: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.exercise_date: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.expiration_date: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

SEC source: 0000798354-25-000097 · wk-form4_1743547283.xml · derivative · entry 1

Simons Doyle · CIK 0001185922 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,316

Underlying: Common Stock · 170 shares

Expires not disclosed

F1 · derivative.exercise_price: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · price: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.exercise_date: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.expiration_date: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

SEC source: 0000798354-25-000096 · wk-form4_1743547254.xml · derivative · entry 1

MILLER HEIDI · CIK 0001199930 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,051

Underlying: Common Stock · 170 shares

Expires not disclosed

F1 · derivative.exercise_price: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · price: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.exercise_date: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.expiration_date: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

SEC source: 0000798354-25-000095 · wk-form4_1743547225.xml · derivative · entry 1

Mamilli Wafaa · CIK 0001800960 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 148

Underlying: Common Stock · 148 shares

Expires not disclosed

F1 · derivative.exercise_price: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · price: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.exercise_date: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.expiration_date: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

SEC source: 0000798354-25-000094 · wk-form4_1743547192.xml · derivative · entry 1

Gopal Ajei · CIK 0001302712 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 680

Underlying: Common Stock · 148 shares

Expires not disclosed

F1 · derivative.exercise_price: 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, 2025, in respect of $32,500.00 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, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · price: 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, 2025, in respect of $32,500.00 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, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.exercise_date: 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, 2025, in respect of $32,500.00 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, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.expiration_date: 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, 2025, in respect of $32,500.00 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, 2025, the closing price of Fiserv's common stock was $220.83 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.

SEC source: 0000798354-25-000093 · wk-form4_1743547144.xml · derivative · entry 1

FRITZ LANCE M · CIK 0001499784 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 739

Underlying: Common Stock · 148 shares

Expires not disclosed

F1 · derivative.exercise_price: 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 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · price: 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 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.exercise_date: 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 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.expiration_date: 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 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

SEC source: 0000798354-25-000092 · wk-form4_1743547108.xml · derivative · entry 1

DiSimone Harry · CIK 0001732108 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,459

Underlying: Common Stock · 170 shares

Expires not disclosed

F1 · derivative.exercise_price: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · price: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.exercise_date: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.expiration_date: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

SEC source: 0000798354-25-000091 · wk-form4_1743547082.xml · derivative · entry 1

DE CASTRO HENRIQUE · CIK 0001562331 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,668

Underlying: Common Stock · 148 shares

Expires not disclosed

F1 · derivative.exercise_price: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · price: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.exercise_date: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

F1 · derivative.expiration_date: 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, 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 March 31, 2025, the closing price of Fiserv's common stock was $220.83 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.

SEC source: 0000798354-25-000082 · wk-form4_1742933780.xml · derivative · entry 8

Bisignano Frank · CIK 0001346629 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 159,636 shares

Expires 2030-02-26

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: This option vested in four equal installments on each anniversary of the grant date of 2/26/2020.

SEC source: 0000798354-25-000082 · wk-form4_1742933780.xml · nonDerivative · entry 2

Bisignano Frank · CIK 0001346629 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,112,064

F1 · shares: Reflects payment of exercise price and tax liability by withholding securities incident to exercise of stock options.

SEC source: 0000798354-25-000082 · wk-form4_1742933780.xml · nonDerivative · entry 1

Bisignano Frank · CIK 0001346629 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,234,127

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000798354-25-000080 · wk-form4_1742587867.xml · nonDerivative · entry 2

Bisignano Frank · CIK 0001346629 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 450

SEC source: 0000798354-25-000080 · wk-form4_1742587867.xml · nonDerivative · entry 1

Bisignano Frank · CIK 0001346629 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,074,491

SEC source: 0000798354-25-000078 · wk-form4_1742328825.xml · nonDerivative · entry 1

COHEN STEPHANIE · CIK 0002061446 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 177

F1 · shares: These restricted stock units each represent a contingent right to receive one share of Fiserv, Inc. common stock. The restricted stock units vest 100% on the earlier of: (i) the first anniversary of the grant date or (ii) immediately prior to the first annual meeting of shareholders after the grant date.

SEC source: 0000798354-25-000074 · wk-form4_1741382363.xml · nonDerivative · entry 1

Bisignano Frank · CIK 0001346629 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,080,837

SEC source: 0000798354-25-000072 · wk-form4_1741122181.xml · nonDerivative · entry 1

Gibbons John · CIK 0002012743 · EVP, Head of Fin. Insts. Grp.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,602

F1 · price: This transaction was executed in multiple trades at prices ranging from $238.00 to $238.16. 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.

SEC source: 0000798354-25-000070 · wk-form4_1740776653.xml · nonDerivative · entry 4

Rosman Adam L. · CIK 0001549373 · Chief Admin. and Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 55,897

F1 · shares: This sale was effected pursuant to a Rule 10b5-1 trading plan entered into on November 11, 2024, by the reporting person for estate and financial planning purposes.

SEC source: 0000798354-25-000070 · wk-form4_1740776653.xml · nonDerivative · entry 3

Rosman Adam L. · CIK 0001549373 · Chief Admin. and Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,027

F1 · shares: This sale was effected pursuant to a Rule 10b5-1 trading plan entered into on November 11, 2024, by the reporting person for estate and financial planning purposes.

F4 · price: This transaction was executed in multiple trades at prices ranging from $233.46 to $234.29. 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.

SEC source: 0000798354-25-000070 · wk-form4_1740776653.xml · nonDerivative · entry 2

Rosman Adam L. · CIK 0001549373 · Chief Admin. and Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,543

F1 · shares: This sale was effected pursuant to a Rule 10b5-1 trading plan entered into on November 11, 2024, by the reporting person for estate and financial planning purposes.

F3 · price: This transaction was executed in multiple trades at prices ranging from $232.26 to $233.22. 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.

SEC source: 0000798354-25-000070 · wk-form4_1740776653.xml · nonDerivative · entry 1

Rosman Adam L. · CIK 0001549373 · Chief Admin. and Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 57,371

F1 · shares: This sale was effected pursuant to a Rule 10b5-1 trading plan entered into on November 11, 2024, by the reporting person for estate and financial planning purposes.

F2 · price: This transaction was executed in multiple trades at prices ranging from $231.15 to $231.92. 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.

SEC source: 0000798354-25-000068 · wk-form4_1740690785.xml · nonDerivative · entry 1

Bisignano Frank · CIK 0001346629 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,081,263