[SCHEDULE 13D/A] International Money Express, Inc. SEC Filing

Rhea-AI Filing Summary

Magnetar group disclosed an amendment to its Schedule 13D reporting a rise in its stake in International Money Express, Inc. (IMXI) to approximately 6.03%. The filing shows Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman collectively beneficially own 1,790,158 shares as of the close of business on September 9, 2025. The Schedule states these purchases—206,473 shares between August 29 and September 9, 2025—were made for various Magnetar funds and managed accounts in open-market transactions. The Reporting Persons state they reserve the right to buy or sell additional shares but currently have no plans that would trigger the specific actions listed in Item 4.

Positive

• Disclosed accumulation to a material stake (6.03%) providing transparency to the market
• Purchases were executed in the open market, indicating ordinary-course fund activity
• Joint filing and power of attorney included as exhibits, showing coordinated and compliant disclosure

Negative

• None.

Insights

Financial Analyst

TL;DR: Magnetar disclosed a meaningful passive accumulation to just over 6% of IMXI, signaling a sizable stake without announced control intentions.

The filing documents that Magnetar-affiliated entities increased holdings by 206,473 shares to 1,790,158 shares, representing 6.03% of outstanding stock based on the issuer's August 6, 2025 share count. Transactions occurred across multiple Magnetar funds and managed accounts in open market trades. The group explicitly reserves the right to trade further but disclaims any present plans to pursue actions enumerated in Item 4. For investors, a >5% disclosure typically draws attention because it can precede strategic engagement, though this filing describes only accumulation and routine fund activity.

Corporate Governance Expert

TL;DR: A coordinated filing by related entities shows joint reporting and shared voting/dispositive power, but no present proposal to change governance.

The statement clarifies interrelationships: Magnetar Capital Partners is the parent of Magnetar Financial, Supernova Management is general partner, and Mr. Snyderman is the manager and CEO of Magnetar Financial. All Reporting Persons report shared voting and dispositive power over the 1,790,158 shares. The joint filing agreement and power of attorney are filed as exhibits, indicating coordinated disclosure processes. The filing affirms no contractual arrangements among Reporting Persons beyond the joint filing agreement and states no intent to pursue corporate actions at this time.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 1)

International Money Express Inc.

(Name of Issuer)

Common Stock, par value $.0001

(Title of Class of Securities)

46005L101

(CUSIP Number)

David J. Snyderman
1603 Orrington Avenue, 13th Floor
Evanston, IL, 60201
(847) 905-4400

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

09/09/2025

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

CUSIP No. 46005L101

1

Name of reporting person

Magnetar Financial LLC

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 1,790,158.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 1,790,158.00

11

Aggregate amount beneficially owned by each reporting person

1,790,158.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

6.03 %

14

Type of Reporting Person (See Instructions)

IA, OO

SCHEDULE 13D

CUSIP No. 46005L101

1

Name of reporting person

Magnetar Capital Partners LP

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 1,790,158.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 1,790,158.00

11

Aggregate amount beneficially owned by each reporting person

1,790,158.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

6.03 %

14

Type of Reporting Person (See Instructions)

HC, OO

SCHEDULE 13D

CUSIP No. 46005L101

1

Name of reporting person

Supernova Management LLC

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 1,790,158.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 1,790,158.00

11

Aggregate amount beneficially owned by each reporting person

1,790,158.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

6.03 %

14

Type of Reporting Person (See Instructions)

HC, OO

SCHEDULE 13D

CUSIP No. 46005L101

1

Name of reporting person

David J. Snyderman

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 1,790,158.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 1,790,158.00

11

Aggregate amount beneficially owned by each reporting person

1,790,158.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

6.03 %

14

Type of Reporting Person (See Instructions)

IN, HC

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common Stock, par value $.0001
(b)	Name of Issuer: International Money Express Inc.
(c)	Address of Issuer's Principal Executive Offices: 9100 South Dadeland Blvd., Suite 1100, Miami, FLORIDA , 33156.
Item 2.	Identity and Background
(a)	Magnetar Financial LLC, a Delaware limited liability company ("Magnetar Financial"), Magnetar Capital Partners LP, a Delaware limited partnership ("Magnetar Capital Partners"), Supernova Management LLC, a Delaware limited liability company ("Supernova Management"), and David J. Snyderman ("Mr. Snyderman") (collectively, the "Reporting Persons").
(b)	1603 Orrington Avenue, 13th Floor, Evanston, Illinois 60201
(c)	Magnetar Financial is a Securities and Exchange Commission ("SEC") registered investment adviser under Section 203 of the Investment Advisers Act of 1940, as amended, and manager of investment funds and managed accounts. Magnetar Financial serves as investment adviser to each of the Funds. In such capacity, Magnetar Financial exercises voting and investment power over the Shares held for the accounts of each of the Funds. Magnetar Capital Partners serves as the sole member and parent holding company of Magnetar Financial. Supernova Management is the general partner of Magnetar Capital Partners. The manager of Supernova Management is Mr. Snyderman. Magnetar Asset Management LLC ("Magnetar Asset Management") is an SEC registered investment adviser and an affiliate of Magnetar Financial. Magnetar Capital Partners serves as the sole member and parent holding company of Magnetar Asset Management. Each of the Funds is a private investment fund; Magnetar Financial is a privately-held SEC registered investment adviser and manager of investment funds and managed accounts; 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.
(d)	None of the Reporting Persons has, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).
(e)	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
(f)	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.
Item 4.	Purpose of Transaction
	Since the filing of Schedule 13D on August 28, 2025, the Reporting Persons purchased 206,473 Shares between August 29, 2025 and September 9, 2025 reported herein, which consists of 99,321 Shares purchased by the PRA Master Fund, 45,876 Shares purchased by the Systematic Master Fund, 13,906 Shares purchased by the Relative Value Master Fund and 47,370 Shares purchased by the Managed Accounts. 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.
Item 5.	Interest in Securities of the Issuer
(a)	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 September 9, 2025, each of the Reporting Persons may have been deemed to have beneficial ownership of 1,790,158 Shares, which consisted of (i) 861,144 Shares held for the benefit of the PRA Master Fund and (ii) 397,699 Shares held for the benefit of the Systematic Master Fund, and (iii) 120,592 Shares held for the benefit of the Relative Value Master Fund, and (iv) 410,723 Shares held for the benefit of the Managed Accounts, and all such Shares represented beneficial ownership of approximately 6.03% of the Shares.
(b)	As of the close of business September 9, 2025, each of the Reporting Persons may have been deemed to have beneficial ownership of 1,790,158 Shares, which consisted of (i) 861,144 Shares held for the benefit of the PRA Master Fund and (ii) 397,699 Shares held for the benefit of the Systematic Master Fund, and (iii) 120,592 Shares held for the benefit of the Relative Value Master Fund, and (iv) 410,723 Shares held for the benefit of the Managed Accounts, and all such Shares represented beneficial ownership of approximately 6.03% of the Shares.
(c)	Except as set forth on Schedule A attached hereto and Item 6, the Funds had no transactions in the Shares during the 15 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 NASDAQ and various other trading markets.
(d)	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.
Item 6.	Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer
	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.
Item 7.	Material to be Filed as Exhibits.
	99.1 Joint Filing Agreement, dated as of September 11, 2025, among the Reporting Persons 99.2 Power of Attorney, dated as of December 22, 2022 filed by the Reporting Persons on September 11, 2025. 99.3. Schedule A

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Magnetar Financial LLC

Signature:	/s/ Hayley Stein
Name/Title:	Name: Hayley Stein, Title: Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC
Date:	09/11/2025

Magnetar Capital Partners LP

Signature:	/s/ Hayley Stein
Name/Title:	Name: Hayley Stein, Title: Attorney-in-fact for David J. Snyderman, Manager of Supernova Management LLC
Date:	09/11/2025

Supernova Management LLC

Signature:	/s/ Hayley Stein
Name/Title:	Name: Hayley Stein, Title: Attorney-in-fact for David J. Snyderman, Manager
Date:	09/11/2025

David J. Snyderman

Signature:	/s/ Hayley Stein
Name/Title:	Name: Hayley Stein, Title: Attorney-in-fact for David J. Snyderman
Date:	09/11/2025

Comments accompanying signature:

MAGNETAR FINANCIAL LLC By: Magnetar Capital Partners LP, its Sole Member, MAGNETAR CAPITAL PARTNERS LP By: Supernova Management LLC, its General Partner

FAQ

What stake did Magnetar disclose in IMXI?

The Reporting Persons disclosed beneficial ownership of 1,790,158 shares, representing approximately 6.03% of IMXI common stock.

When were the additional IMXI shares purchased?

The filing states 206,473 shares were purchased between August 29, 2025 and September 9, 2025.

Which Magnetar funds hold the disclosed IMXI shares?

Holdings consist of shares for the PRA Master Fund (861,144), Systematic Master Fund (397,699), Relative Value Master Fund (120,592), and Managed Accounts (410,723).

Does Magnetar state plans to change IMXI management or strategy?

The Reporting Persons state they do not have plans or proposals that would result in actions listed in Item 4, though they reserve rights to buy or sell shares.

How were the IMXI transactions executed?

The transactions were effected in the ordinary course of business in open market transactions on NASDAQ and other trading markets.