Western Union Co — Current Report (Form 8-K)

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 30, 2026

THE WESTERN UNION COMPANY

(Exact name of registrant as specified in its charter)

(866) 405-5012

(Registrant’s telephone number, including area code)

N/A

(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:

Securities registered pursuant to Section 12(b) of the Act:

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. ☐

On May 5, 2026, The Western Union Company (the “Company”) completed the offering and sale of $165,000,000 aggregate principal amount of its 4.750% Notes due 2029 (the “Notes”) pursuant to an Underwriting Agreement, dated April 30, 2026 (the “Underwriting Agreement”), entered into by the Company with Wells Fargo Securities, LLC, as the Underwriter named therein, with respect to the offering and sale of the Notes by the Company, which constitutes a further issuance of the 4.750% Notes due 2029 that the Company issued prior to the date hereof (the “2029 Existing Securities”) and will be consolidated with, and form a single series with, the 2029 Existing Securities for all purposes under the indenture governing the 2029 Existing Securities. The Notes were issued under the Company’s Registration Statement on Form S-3 (Registration No. 333-290539), and pursuant to the Indenture, dated as of November 17, 2006, as supplemented by the First Supplemental Indenture, dated as of September 6, 2007, and the Second Supplemental Indenture, dated as of May 3, 2019, each between the Company and Computershare Trust Company, N.A., as successor to Wells Fargo Bank, National Association, as trustee (the “Base Trustee”), and as further supplemented by the Third Supplemental Indenture, dated as of March 9, 2026, by and among the Company, U.S. Bank Trust Company, National Association, as series trustee, and the Base Trustee.

The Underwriting Agreement is filed as Exhibit 1.1 to this Current Report on Form 8-K and is incorporated herein by reference. The Third Supplemental Indenture and the form of the Notes are filed as Exhibit 4.1 and Exhibit 4.2, respectively, to this Current Report on Form 8-K and are incorporated herein by reference.

In connection with the issuance of the Notes, Sidley Austin LLP provided the Company with the legal opinion attached to this Current Report on Form 8-K as Exhibit 5.1.

(d)  Exhibits

The following exhibits are filed with this Current Report on Form 8-K:

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.