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): April 2, 2018 (March 30, 2018)

Worldpay, Inc.

(Exact name of registrant as specified in its charter)

8500 Governor’s Hill Drive

Symmes Township, Ohio 45249

(Address of principal executive offices, including zip code)

(513) 900-5250

(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 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

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.    ☐

On January 16, 2018, Worldpay, Inc., (the “Company”), completed its acquisition (the “Acquisition”) of all of the outstanding shares of Worldpay Group Limited, formerly Worldpay Group plc.

On March 30, 2018, in connection with the Acquisition, Vantiv, LLC and Vantiv Issuer Corp., subsidiaries of the Company (together, the “Issuers”), and certain subsidiaries of Vantiv, LLC (together, the “Guarantors”) entered into a Second Supplemental Indenture (the “Second Supplemental Indenture”) with respect to the Indenture, dated as of December 21, 2017, by and among the Issuers and BNYM Corporate Trustee Services Limited, as trustee (the “Indenture”). The Second Supplemental Indenture provides that each of the Guarantors agrees to guarantee the Issuers’ obligations under the $500 million aggregate principal amount of 4.375% senior unsecured notes due 2025 and the £470 million aggregate principal amount of 3.875% senior unsecured notes due 2025 issued pursuant to the Indenture.

The foregoing description of the Second Supplemental Indenture does not purport to be complete and is qualified in its entirety by reference to the Second Supplemental Indenture, which is attached as Exhibit 4.1 to this Current Report on Form 8-K and incorporated herein by reference.

EXHIBIT INDEX

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.