StoneX (SNEX) vice chair sells 80K shares after option exercises

Rhea-AI Filing Summary

StoneX Group Inc. Executive Vice-Chairman Sean Michael O'Connor reported exercising stock options and selling common stock. On February 9, 2026, he exercised 40,000 stock options at an exercise price of $20 per share and acquired 40,000 shares of common stock, then sold 40,000 shares in open-market transactions at an average price of $124.9475.

On February 10, 2026, he again exercised 40,000 stock options at $20 per share and sold 40,000 shares of common stock at an average price of $124.5615. After these transactions, he directly owned 854,127 common shares and 1,045,000 stock options, and indirectly held 282,902 shares through a trust and 1,695,976 shares through Darseaker Limited.

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^*

OCONNOR SEAN MICHAEL

(Last) (First) (Middle)

230 PARK AVENUE

10TH FLOOR

(Street)

NEW YORK NY 10169

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive Vice-Chairman-Board

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	894,127	D
Common Stock	02/09/2026		S		40,000	D	$124.9475(1)	854,127	D
Common Stock	02/10/2026		M		40,000	A	$20	894,127	D
Common Stock	02/10/2026		S		40,000	D	$124.5615(1)	854,127	D
Common Stock								282,902	I	By Trust
Common Stock								1,695,976	I	Darseaker Limited

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	12/05/0021	12/05/0026	Common Stock	40,000	$0	1,085,000	D
Stock Options	$20	02/10/2026		M			40,000	12/05/0021	12/05/0026	Common Stock	40,000	$0	1,045,000	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:

	Sean M. O'Connor	02/11/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did SNEX executive Sean O'Connor report?

Sean O'Connor exercised stock options and sold common shares on February 9 and 10, 2026. He exercised 40,000 options each day at $20 per share, then sold 40,000 shares each day in open-market transactions at average prices of $124.9475 and $124.5615.

How many StoneX Group (SNEX) shares did Sean O'Connor sell?

Sean O'Connor reported selling 40,000 StoneX Group common shares on February 9, 2026, and another 40,000 shares on February 10, 2026. Both transactions were open-market sales following option exercises, with prices disclosed as volume-weighted averages.

At what prices did Sean O'Connor sell SNEX shares in this Form 4?

He reported average sale prices of $124.9475 per share on February 9, 2026, and $124.5615 per share on February 10, 2026. A footnote states these are average prices and that detailed price breakdowns are available to shareholders upon request.

How many SNEX shares does Sean O'Connor own after these transactions?

After the reported trades, he directly owned 854,127 StoneX Group common shares. He also indirectly held 282,902 shares through a trust and 1,695,976 shares through Darseaker Limited, in addition to 1,045,000 stock options beneficially owned directly.

What stock options did Sean O'Connor exercise in the SNEX Form 4?

He exercised 40,000 stock options on February 9, 2026, and another 40,000 on February 10, 2026, each with a $20 exercise price. These options relate to common stock and have an expiration date of December 5, 2026, according to the derivative securities table.

What does the pricing footnote in the SNEX Form 4 mean for investors?

The footnote explains that the reported sale prices are averages across multiple trades. Sean O'Connor will provide regulators, the issuer, and any stockholder detailed information on the number of shares sold at each individual price level upon request.