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 22, 2013

Fiserv, Inc.

(Exact Name of Registrant as Specified in Charter)

255 Fiserv Drive, Brookfield, Wisconsin 53045

(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:

At the annual meeting of the shareholders of Fiserv, Inc. (“Fiserv”) held on May 22, 2013, Fiserv’s shareholders approved the Amended and Restated Fiserv, Inc. 2007 Omnibus Incentive Plan (the “Incentive Plan”), increasing the number of shares of Fiserv common stock available under the plan by 10 million and modifying the definition of “change of control” so that the vesting of equity awards granted under the Incentive Plan will not be accelerated unless a change in control of Fiserv actually occurs.

Fiserv cannot currently determine the benefits, if any, to be paid under the Incentive Plan in the future to Fiserv’s officers, including Fiserv’s named executive officers.

The Incentive Plan is described in detail in Fiserv’s proxy statement filed with the Securities and Exchange Commission on April 12, 2013. The description of the Incentive Plan set forth above does not purport to be complete and is qualified in its entirety by reference to the full text of the Incentive Plan, a copy of which is filed as Exhibit 10.1 to this Current Report and is incorporated by reference herein.

Fiserv held its annual meeting of shareholders on May 22, 2013. At that meeting, the shareholders voted on five matters as follows:

Election of Directors

Fiserv’s shareholders elected five nominees for directors to serve until the annual meeting of shareholders in 2014 and until each of their successors is elected and qualified by the following votes:

Approval of the Incentive Plan

Fiserv’s shareholders approved the Incentive Plan by the following votes:

Advisory Vote to Approve Named Executive Officer Compensation

Fiserv’s shareholders approved, on an advisory basis, the compensation of Fiserv’s named executive officers as disclosed in the 2013 proxy statement by the following votes:

1

Ratification of Independent Registered Public Accounting Firm

Fiserv’s shareholders ratified the appointment of Deloitte & Touche LLP as Fiserv’s independent registered public accounting firm for the year ending December 31, 2013 by the following votes:

Shareholder Proposal Relating to Executive Retention of Stock

Fiserv’s shareholders rejected a shareholder proposal relating to executive retention of stock by the following votes:

Item 9.01. Financial Statements and Exhibits.

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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.

EXHIBIT INDEX