UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 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): September 20, 2018

Fiserv, Inc.

(Exact name of registrant as specified in its 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:

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.  ☐

Item 1.01. Entry into a Material Definitive Agreement.

On September 20, 2018, Fiserv, Inc. (the “Company”) entered into an Underwriting Agreement with Wells Fargo Securities, LLC and U.S. Bancorp Investments, Inc. as representatives of the several underwriters listed therein (the “Underwriters”), pursuant to which the Company agreed to sell, and the Underwriters agreed to purchase, subject to the terms and conditions set forth therein, $1.0 billion aggregate principal amount of the Company’s 3.800% Senior Notes due 2023 and $1.0 billion aggregate principal amount of the Company’s 4.200% Senior Notes due 2028 (collectively, the “Notes”), in a public offering (the “Offering”). The Offering is expected to close on September 25, 2018.

The Underwriting Agreement contains customary representations, warranties and agreements of the Company, conditions to closing, indemnification rights and obligations of the parties and termination provisions. The description of the Underwriting Agreement set forth above is qualified by reference to the Underwriting Agreement filed as Exhibit 1 to this Current Report on Form 8-K and incorporated herein by reference.

The Notes are registered under the Securities Act of 1933, as amended, pursuant to a Registration Statement on Form S-3 (Registration No. 333- 227436) that the Company filed with the Securities and Exchange Commission on September 20, 2018. The Company is also filing the Underwriting Agreement as part of this Current Report on Form 8-K for purposes of such Registration Statement.

Item 9.01. Financial Statements and Exhibits.

Exhibit Index to Current Report on Form 8-K

SIGNATURE

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.