8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported):

May 21, 2026

Fiserv, Inc.

(Exact Name of Registrant as Specified in Charter)

600 N. Vel R. Phillips Avenue, Milwaukee, Wisconsin 53203

(Address of Principal Executive Offices, Including Zip Code)

(262) 879-5000

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Fiserv, Inc. (the “Company”) held its annual meeting of shareholders on May 21, 2026. At that meeting, the Company’s shareholders voted on four matters as follows:

Election of Directors

The Company’s shareholders elected eleven directors to serve until the next annual meeting of shareholders and until each of their successors is elected and qualified by the following votes:

Advisory Vote to Approve Named Executive Officer Compensation

The Company’s shareholders approved, on an advisory basis, the compensation of the Company’s named executive officers as disclosed in its 2026 proxy statement by the following votes:

Ratification of Independent Registered Public Accounting Firm

The Company’s shareholders ratified the appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2026, by the following votes:

Shareholder Proposal Requesting an Independent Board Chair Policy

The Company’s shareholders rejected a shareholder proposal requesting an independent board chair policy by the following votes:

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.