StoneX CRO sells 40K shares after option exercise

StoneX Group Inc. chief risk officer Mark L. Maurer reported an option exercise and share sale involving the company’s common stock.

Accepted by SEC EDGAR 02/11/2026 - 04:20 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

StoneX Group Inc. chief risk officer Mark L. Maurer reported an option exercise and share sale involving the company’s common stock. On February 9, 2026, he exercised 40,000 stock options at an exercise price of $20 per share, acquiring the same number of common shares.

On the same date, he then sold 40,000 common shares in an open-market transaction at an average price of $124.878 per share, as disclosed in a footnote. After these transactions, he directly owned 90,331 common shares and 410,000 stock options.

Insider Trade Summary

Exercise and Sale: 40,000 shares ($4.20M approx. pre-tax spread)

Exercise and Sale 3 txns

Insider Maurer Mark Lowry

Role Insider

Sold 40,000 shs ($5.00M)

Approx. gross sale proceeds $5.00M

Approx. exercise cost $800K

Approx. pre-tax spread $4.20M

Share of Position Sold 30.7%

Type	Security	Shares	Price	Value
Exercise	Stock Options	40,000	$0.00	$0.00
Exercise	Common Stock	40,000	$20.00	$800K
Sale	Common Stock	40,000	$124.878	$5.00M

Holdings After Transaction: Stock Options — 410,000 contracts (Direct); Common Stock — 90,331 shares (Direct)

Holdings Before and After: Stock Options, 450,000 to 410,000 contracts (Direct); Common Stock, 90,331 to 90,331 shares (Direct)

Other Insiders: 3 other insiders reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (1)

1. F1. The price reported represents an average price. The Reporting Person will provide to the Commission, the issuer and any stockholder, upon request, full information regarding the number of shares sold at each separate price.

FAQ

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What insider transactions did SNEX’s chief risk officer report on February 9, 2026?

The chief risk officer exercised 40,000 stock options at $20 per share and sold 40,000 StoneX Group Inc. common shares at an average price of $124.878. These transactions were reported as direct holdings in the filing.

How many StoneX Group Inc. (SNEX) shares does the insider own after this Form 4?

After the reported transactions, the chief risk officer directly owned 90,331 shares of StoneX Group Inc. common stock. The filing also shows direct ownership of 410,000 stock options that remain outstanding following the option exercise and share sale.

What prices were involved in the SNEX insider’s option exercise and share sale?

The insider exercised stock options at a conversion or exercise price of $20 per share. He then sold 40,000 common shares at an average price of $124.878 per share, with the footnote noting that this is an average across multiple sale prices.

What do the transaction codes M and S mean in the SNEX Form 4 filing?

Transaction code M indicates the exercise or conversion of a derivative security, in this case stock options converted into common stock. Transaction code S reflects an open-market or private sale of common shares by the reporting person on the same date.

Is the SNEX insider transaction classified as direct or indirect ownership?

The Form 4 classifies all reported holdings and transactions as direct ownership, marked with ownership code “D.” No footnotes indicate that the shares or options are held through separate entities, trusts, or other indirect ownership structures in this filing.

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Maurer Mark Lowry

(Last) (First) (Middle)

230 SOUTH LASALLE

SUITE 10-500

(Street)

CHICAGO IL 60604

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
StoneX Group Inc. [ SNEX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
	Officer (give title below)	X	Other (specify below)
			Chief Risk Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/09/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/09/2026		M		40,000	A	$20	130,331	D
Common Stock	02/09/2026		S		40,000	D	$124.878(1)	90,331	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options	$20	02/09/2026		M			40,000	12/05/2021	12/05/2026	Common Stock	40,000	$0	410,000	D

Explanation of Responses:

1. The price reported represents an average price. The Reporting Person will provide to the Commission, the issuer and any stockholder, upon request, full information regarding the number of shares sold at each separate price.

Remarks:

	Mark L. Maurer	02/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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