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): December 4, 2017 (December 4, 2017)

Vantiv, 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 December 4, 2017, Vantiv, Inc. (“Vantiv”) issued a press release pursuant to Rule 135c under the Securities Act of 1933, as amended (the “Securities Act”), announcing that certain of its subsidiaries have launched an offering for $1.13 billion equivalent of senior unsecured notes due 2025, which are expected to be denominated in U.S. dollars and pounds sterling. The notes will be offered in the United States to qualified institutional buyers that are qualified purchasers pursuant to Rule 144A under the Securities Act, and outside the United States to non-U.S. persons pursuant to Regulation S under the Securities Act.

The foregoing is qualified by reference to the press release that is filed as Exhibit 99.1 to this current report and is incorporated herein by reference.

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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.