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): March 27, 2017 (March 26, 2017)

MoneyGram International, Inc.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (214) 999-7552

Not applicable

(Former name or former address, if changed since last report)

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:

On March 26, 2017, MoneyGram International, Inc. (the “Company”) issued the press release attached hereto as Exhibit 99.1 and incorporated by reference herein.

Forward-Looking Statements

This communication contains forward-looking statements which are protected as forward-looking statements under the Private Securities Litigation Reform Act of 1995 that are not limited to historical facts, but reflect the Company’s current beliefs, expectations or intentions regarding future events. Words such as “may,” “will,” “could,” “should,” “expect,” “plan,” “project,” “intend,” “anticipate,” “believe,” “estimate,” “predict,” “potential,” “pursuant,” “target,” “continue,” and similar expressions are intended to identify such forward-looking statements. The statements in this press release that are not historical statements are forward-looking statements within the meaning of the federal securities laws, including, among other things, statements regarding the Euronet Worldwide, Inc. (“Euronet”) proposal (the “Euronet Proposal”) and the Company’s board of directors’ review thereof, any future determination by the Company’s board of directors, the likelihood of the merger with Ant Financial Services Group (“Ant Financial”) being consummated, and the likelihood of the Euronet Proposal resulting in a definitive agreement on the terms thereof or at all. These statements are subject to numerous risks and uncertainties, including the risk that Euronet may withdraw or modify the terms of its proposal, many of which are beyond the Company’s control, which could cause actual results to differ materially from the results expressed or implied by the statements.

Additional Information for Stockholders

In connection with the proposed merger with Ant Financial, the Company has filed a preliminary proxy statement and will file a definitive proxy statement and other materials with the Securities and Exchange Commission (the “SEC”). In addition, the Company may also file other relevant documents with the SEC regarding the proposed transaction. INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE PROXY STATEMENT(S) AND OTHER DOCUMENTS THAT HAVE BEEN OR MAY BE FILED WITH THE SEC CAREFULLY AND IN THEIR ENTIRETY IF AND WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION. Investors and security holders may obtain a free copy of the proxy statement(s) (when available) and other documents filed with the SEC by the Company, at the Company’s website, corporate.moneygram.com, or at the SEC’s website, www.sec.gov. The proxy statement(s) and other relevant documents may also be obtained for free from the Company by writing to MoneyGram International, Inc., 2828 North Harwood Street, 15th Floor, Dallas, Texas 75201, Attention: Investor Relations.

Participants in the Solicitation

The Company and its directors and executive officers may be deemed to be participants in the solicitation of proxies from the stockholders of the Company in connection with the proposed transaction. Information about the directors and executive officers of the Company is set forth in the Proxy Statement on Schedule 14A for the 2016 annual meeting of stockholders for the Company, which was filed with the SEC on April 4, 2016. This document can be obtained free of charge from the sources indicated above. Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, is contained in the preliminary proxy statement and will be contained in the definitive proxy statement and other relevant materials to be filed with the SEC when they become available.

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.

Date: March 27, 2017

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