UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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Form 8-K

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CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 513, 2025

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StoneX Group Inc.

(Exact name of registrant as specified in its charter)

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Delaware

000-23554

59-2921318

(State of Incorporation)

(Commission File Number)

(IRS Employer ID No.)

230 Park Ave, 10th Floor

New York, NY 10169

(Address of principal executive offices, including Zip Code)

(212) 485-3500

(Registrant’s telephone number, including area code)

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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:


☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)


☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)


☐			Pre-commencement communications pursuant to rule 14d-2(b) under the Exchange Act 17 CFR 240.14d-2(b))


☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

Title of Each Class

Trading Symbol

Name of each exchange on which registered

Common Stock, $0.01 par value

SNEX

The Nasdaq Stock Market LLC

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. o

Item 27.0201. ~~Results~~Regulation ofFD ~~Operations and Financial Condition~~Disclosure.

On August 5 13, 2025, the Board of Directors of StoneX Group Inc. (the “"Company”") ~~issued~~authorized afor ~~press~~fiscal ~~release~~year on2026 the repurchase of up to 2.25 million shares of its outstanding common stock from time to time in open market purchases and private transactions, commencing on October 1, 2025 and ending on September 30, 2026, subject to the discretion of the senior management team to implement the Company's ~~results~~stock ofrepurchase ~~operations~~plan, and ~~financial~~subject ~~condition~~to ~~for~~market ~~the~~conditions ~~fiscal~~and ~~quarter~~as ~~ended~~permitted ~~June 30~~by securities laws and other legal, ~~2025.~~regulatory and contractual requirements and covenants.

The ~~press~~existing ~~release~~repurchase isauthorization, ~~attached~~approved ~~hereto~~by asthe ~~Exhibit~~Board ~~99.~~of Directors of the Company on August 28, 2024, under which we have the ability to repurchase of up to 1.5 ~~and~~million ~~incorporated~~shares byshall ~~reference~~expire ~~herein~~on September 30, 2025.

The information furnished under this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits

Exhibit No. Description

99.1 Press release dated August 5, 2025.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

*Certain schedules and exhibits omitted pursuant to Item 601(a)(5) of Regulation S-K. The Company agrees to furnish supplementally a copy of any omitted schedule or exhibit to the SEC upon request.

Signature

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.

									StoneX Group Inc.
									(Registrant)
			August 5, 2025						/s/ WILLIAM J. DUNAWAY
			August 18, 2025						/s/ William J. Dunaway
			(Date)						William J. Dunaway
									Chief Financial Officer

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