FISV

SEC source: 0002061446-26-000002 · wk-form4_1775160328.xml · derivative · entry 1

COHEN STEPHANIE · CIK 0002061446 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 583

Underlying: Common Stock · 583 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, 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.

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, 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.

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, 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.

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, 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.

SEC source: 0001407947-26-000008 · wk-form4_1771967823.xml · nonDerivative · entry 1

Best Kenneth · CIK 0001407947 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,586

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

SEC source: 0001549373-26-000008 · wk-form4_1771881442.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 126,574

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

SEC source: 0001407947-26-000006 · wk-form4_1771881429.xml · nonDerivative · entry 2

Best Kenneth · CIK 0001407947 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,117

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

SEC source: 0001549373-26-000008 · wk-form4_1771881442.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,776

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

SEC source: 0001407947-26-000006 · wk-form4_1771881429.xml · nonDerivative · entry 1

Best Kenneth · CIK 0001407947 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,919

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

SEC source: 0001751582-26-000004 · wk-form4_1771881454.xml · nonDerivative · entry 1

Suryadevara Dhivya · CIK 0001751582 · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 228,463

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

SEC source: 0001407947-26-000004 · wk-form4_1771591032.xml · nonDerivative · entry 1

Best Kenneth · CIK 0001407947 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,561

F1 · shares: One-third of these restricted stock units vest on each anniversary of the grant date.

SEC source: 0001612508-26-000002 · wk-form4_1771591006.xml · nonDerivative · entry 1

Todd Paul M · CIK 0001612508 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,684

F1 · shares: One-third of these restricted stock units vest on each anniversary of the grant date.

SEC source: 0001549373-26-000006 · wk-form4_1771590975.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 130,231

F1 · shares: One-third of these restricted stock units vest on each anniversary of the grant date.

SEC source: 0001654671-26-000006 · wk-form4_1771590943.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,566

F1 · shares: One-third of these restricted stock units vest on each anniversary of the grant date.

SEC source: 0001751582-26-000002 · wk-form4_1771590914.xml · nonDerivative · entry 1

Suryadevara Dhivya · CIK 0001751582 · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 258,057

F1 · shares: One-third of these restricted stock units vest on each anniversary of the grant date.

SEC source: 0001534574-26-000008 · wk-form4_1771590819.xml · nonDerivative · entry 1

Lyons Michael P. · CIK 0001534574 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 351,317

F1 · shares: One-third of these restricted stock units vest on each anniversary of the grant date.

SEC source: 0002064218-26-000008 · wk-form4_1771590882.xml · nonDerivative · entry 1

GEORGAKOPOULOS PANAGIOTIS · CIK 0002064218 · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 253,774

F1 · shares: One-third of these restricted stock units vest on each anniversary of the grant date.

SEC source: 0001534574-26-000007 · wk-form4_1771537002.xml · nonDerivative · entry 2

Lyons Michael P. · CIK 0001534574 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,159

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

SEC source: 0001534574-26-000007 · wk-form4_1771537002.xml · nonDerivative · entry 1

Lyons Michael P. · CIK 0001534574 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,779

F1 · shares: Reflects the issuance of shares on February 17, 2026, upon the vesting of performance share units granted on February 7, 2025.

SEC source: 0002064218-26-000007 · wk-form4_1771536954.xml · nonDerivative · entry 2

GEORGAKOPOULOS PANAGIOTIS · CIK 0002064218 · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,262

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

SEC source: 0002064218-26-000007 · wk-form4_1771536954.xml · nonDerivative · entry 1

GEORGAKOPOULOS PANAGIOTIS · CIK 0002064218 · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,474

F1 · shares: Reflects the issuance of shares on February 17, 2026, upon the vesting of performance share units granted on September 3, 2024.

SEC source: 0001654671-26-000005 · wk-form4_1771536900.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,472

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

SEC source: 0001654671-26-000005 · wk-form4_1771536900.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,958

F1 · shares: Reflects the issuance of shares on February 17, 2026, upon the vesting of performance share units granted on February 22, 2023.

SEC source: 0001549373-26-000005 · wk-form4_1771536846.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,566

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

SEC source: 0001549373-26-000005 · wk-form4_1771536846.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,777

F1 · shares: Reflects the issuance of shares on February 17, 2026, upon the vesting of performance share units granted on February 22, 2023.

SEC source: 0001534574-26-000004 · wk-form4_1770681056.xml · nonDerivative · entry 1

Lyons Michael P. · CIK 0001534574 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,603

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

SEC source: 0001549373-26-000002 · wk-form4_1770681034.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,796

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

SEC source: 0002064218-26-000004 · wk-form4_1770681006.xml · nonDerivative · entry 1

GEORGAKOPOULOS PANAGIOTIS · CIK 0002064218 · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,429

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

SEC source: 0001654671-26-000002 · wk-form4_1770680973.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,289

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

SEC source: 0001407947-26-000002 · wk-form4_1770680946.xml · nonDerivative · entry 1

Best Kenneth · CIK 0001407947 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,690

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

SEC source: 0002064218-26-000002 · wk-form4_1768953954.xml · nonDerivative · entry 1

GEORGAKOPOULOS PANAGIOTIS · CIK 0002064218 · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,867

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

SEC source: 0001655046-26-000004 · wk-form4_1767655992.xml · nonDerivative · entry 1

Nixon Gordon M. · CIK 0001655046 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,743

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: 0001731465-26-000004 · wk-form4_1767655940.xml · nonDerivative · entry 1

Dufetel Celine S · CIK 0001731465 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,314

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: 0001572242-26-000004 · wk-form4_1767655897.xml · nonDerivative · entry 1

Shedlin Gary · CIK 0001572242 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,314

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: 0001534574-26-000002 · wk-form4_1767655743.xml · nonDerivative · entry 1

Lyons Michael P. · CIK 0001534574 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,978

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

SEC source: 0001562331-26-000002 · wk-form4_1767655716.xml · derivative · entry 1

DE CASTRO HENRIQUE · CIK 0001562331 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,594

Underlying: Common Stock · 484 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 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.

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 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.

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 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.

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 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.

SEC source: 0001732108-26-000002 · wk-form4_1767655669.xml · derivative · entry 1

DiSimone Harry · CIK 0001732108 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,399

Underlying: Common Stock · 484 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 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.

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 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.

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 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.

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 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.

SEC source: 0000798354-26-000002 · wk-form4_1767655626.xml · derivative · entry 1

FRITZ LANCE M · CIK 0001499784 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,793

Underlying: Common Stock · 559 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 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.

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 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.

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 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.

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 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.

SEC source: 0001800960-26-000002 · wk-form4_1767655477.xml · derivative · entry 1

Mamilli Wafaa · CIK 0001800960 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,202

Underlying: Common Stock · 559 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 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.

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 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.

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 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.

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 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.

SEC source: 0001302712-26-000002 · wk-form4_1767655526.xml · derivative · entry 1

Gopal Ajei · CIK 0001302712 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,606

Underlying: Common Stock · 484 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 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.

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 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.

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 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.

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 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.

SEC source: 0001185922-26-000002 · wk-form4_1767655420.xml · derivative · entry 1

Simons Doyle · CIK 0001185922 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,876

Underlying: Common Stock · 838 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 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.

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 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.

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 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.

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 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.

SEC source: 0001987329-26-000002 · wk-form4_1767655375.xml · derivative · entry 1

Yarkoni Charlotte · CIK 0001987329 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,837

Underlying: Common Stock · 484 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 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.

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 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.

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 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.

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 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.

SEC source: 0001549373-25-000003 · wk-form4_1764716361.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,285

SEC source: 0001612508-25-000009 · wk-form4_1764716330.xml · nonDerivative · entry 1

Todd Paul M · CIK 0001612508 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,453

F1 · price: 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.

SEC source: 0001751582-25-000008 · wk-form4_1764716303.xml · nonDerivative · entry 1

Suryadevara Dhivya · CIK 0001751582 · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 156,485

F1 · shares: These restricted stock units vest as follows: 57,899 on 2/20/2026, 40,686 on 2/20/2027, 46,945 on 2/20/2028, and 10,955 on 2/20/2029.

SEC source: 0001407947-25-000005 · wk-form4_1763594286.xml · nonDerivative · entry 2

Best Kenneth · CIK 0001407947 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,124

F2 · shares: These restricted stock units fully vest on the 18-month anniversary of the grant date.

SEC source: 0001407947-25-000005 · wk-form4_1763594286.xml · nonDerivative · entry 1

Best Kenneth · CIK 0001407947 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,418

F1 · shares: One-third of these restricted stock units vest on each anniversary of the grant date.

SEC source: 0000798354-25-000173 · wk-form4_1762204364.xml · nonDerivative · entry 1

FRITZ LANCE M · CIK 0001499784 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,086

SEC source: 0001987329-25-000003 · wk-form4_1759437792.xml · derivative · entry 1

Yarkoni Charlotte · CIK 0001987329 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,353

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: 0001185922-25-000003 · wk-form4_1759437674.xml · derivative · entry 1

Simons Doyle · CIK 0001185922 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,038

Underlying: Common Stock · 437 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 $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.

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 $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.

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 $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.

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 $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.

SEC source: 0001302712-25-000005 · wk-form4_1759437592.xml · derivative · entry 1

Gopal Ajei · CIK 0001302712 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,122

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: 0001800960-25-000005 · wk-form4_1759437625.xml · derivative · entry 1

Mamilli Wafaa · CIK 0001800960 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 643

Underlying: Common Stock · 291 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 $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.

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 $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.

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 $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.

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 $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.

SEC source: 0000798354-25-000165 · wk-form4_1759437553.xml · derivative · entry 1

FRITZ LANCE M · CIK 0001499784 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,234

Underlying: Common Stock · 291 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 $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.

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 $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.

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 $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.

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 $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.