SEC Form SCHEDULE 13D filed by International Money Express Inc.

The business address of each of the Reporting Persons is 1603 Orrington Avenue, 13th Floor, Evanston, Illinois 60201.

Each of the Funds is a private investment fund; Magnetar Financial is a privately-held SEC registered investment adviser and manager of investment funds; Magnetar Capital Partners is a privately-held limited partnership and serves as the sole member and parent holding company of Magnetar Financial; Supernova Management is a privately-held limited liability company and is the general partner of Magnetar Capital Partners; and Mr. Snyderman is a citizen of the United States of America, manager of Supernova Management and Chief Executive Officer of Magnetar Financial.

None of the Reporting Persons has, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).

None of the Reporting Persons has, during the last five years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction as a result of which such Reporting Person was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Magnetar Financial is a Delaware limited liability company. Magnetar Capital Partners is a Delaware limited partnership. Supernova Management is a Delaware limited liability company. Mr. Snyderman is a citizen of the United States of America.

The aggregate amount of funds used by the Reporting Persons in purchasing the 1,583,685 Shares reported herein on behalf of the Funds have come directly from the assets of the Funds, which may at any given time, have included margin loans made by brokerage firms in the ordinary course of business. The aggregate amount of funds used by the Reporting Persons in purchasing the Shares on behalf of the Funds was $23,349,641.67 (excluding commissions and other execution-related costs).

The Reporting Persons acquired the 1,583,685 Shares reported herein on behalf of the Funds after the public announcement of the Merger Agreement (as defined below) for purposes of receiving the merger consideration described below upon consummation of the Merger (as described below). Each of the Reporting Persons reserves the right to acquire additional securities of the Company in the open market, in privately negotiated transactions, or otherwise, to dispose of all or a portion of the Shares and/or other securities reported in this Statement, or to change their intention with respect to any or all of the matters referred to in this Item 4. Other than as described above in this Item 4, the Reporting Persons do not have any plans or proposals that relate to, or would result in, any actions or events specified in clauses (a) through (j) of Item 4 to Schedule 13D.

The Company reported in their Form 10-Q Report filed August 11, 2025, that 29,684,054 shares were outstanding as of August 6, 2025. As of the close of business August 28, 2025, each of the Reporting Persons may have been deemed to have beneficial ownership of 1,583,685 Shares, which consisted of (i) 761,823 Shares held for the benefit of PRA Master Fund and (ii) 351,823 Shares held for the benefit of Systematic Master Fund, and (iii) 106,686 Shares held for the benefit of Relative Value Master Fund, and (iv) 363,353 Shares held for the benefit of the Managed Accounts, and all such Shares represented beneficial ownership of approximately 5.33% of the Shares.

As of the close of business August 28, 2025, each of the Reporting Persons may have been deemed to share the power to vote and direct the disposition of 1,583,685 Shares, which consisted of (i) 761,823 Shares held for the benefit of PRA Master Fund, (ii) 351,823 Shares held for the benefit of Systematic Master Fund, (iii) 106,686 Shares held for the benefit of Relative Value Master Fund, and (iv) 363,353 Shares held for the benefit of the Managed Accounts, and all such Shares represented beneficial ownership of approximately 5.33% of the Shares.

Except as set forth on Schedule A attached hereto and Item 6, the Funds had no transactions in the Shares during the 60 days preceding the date of filing of this Statement. All of the transactions set forth on Schedule A attached hereto were effected in the ordinary course of business of Magnetar Financial for the accounts of each of the Funds. The transactions in the Shares set forth on Schedule A were effected in open market transactions on the NYSE and various other trading markets. As disclosed by the Company in the Form 8K filed with the SEC on August 10, 2025: Entry into a Material Definitive Agreement. On August 10, 2025, The Western Union Company, a Delaware corporation (the "Company"), entered into an Agreement and Plan of Merger (the "Merger Agreement"), by and among the Company, International Money Express, Inc., a Delaware corporation ("IMXI"), and Ivey Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of the Company ("Merger Sub"). Pursuant to the Merger Agreement, on the terms and subject to the conditions set forth therein, Merger Sub will merge with and into IMXI (the "Merger"), with IMXI continuing as the surviving corporation in the Merger and becoming a wholly owned subsidiary of the Company. Capitalized terms used herein without definition have the meanings specified in the Merger Agreement. On the terms and subject to the conditions set forth in the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each share of common stock, par value $0.0001 per share, of IMXI (the "IMXI Common Stock") issued and outstanding immediately prior to the Effective Time (subject to limited exceptions, such as treasury shares or shares as to which dissenters' rights have been properly exercised in accordance with Delaware law) shall be converted automatically into the right to receive an amount in cash equal to $16.00 per share, without interest (the "Merger Consideration").

No other person is known by the Reporting Persons to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, any Shares that are beneficially owned by the Reporting Persons.

N/A

Pursuant to Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the Reporting Persons have entered into an agreement with respect to the joint filing of this Statement, and any amendment or amendments hereto. Except as otherwise described herein, no contracts, arrangements, understandings or similar relationships exist with respect to the securities of the Company among or between the Reporting Persons or any other person or entity.

99.1 Joint Filing Agreement, dated as of September 2, 2025, among the Reporting Persons. 99.2 Power of Attorney, dated as of December 22, 2022 filed by the Reporting Persons on September 2, 2025. 99.3 Schedule A, dated as of September 2, 2025.