StoneX officer sells 33,750 shares after option exercise

StoneX Group Inc. Chief Governance/Legal Officer Diego Rotsztain exercised stock options to acquire 33,750 shares of Common Stock at $18.39 per share, then sold the same 33,750 shares in open-market transactions.

Rhea-AI Filing Summary

StoneX Group Inc. Chief Governance/Legal Officer Diego Rotsztain exercised stock options to acquire 33,750 shares of Common Stock at $18.39 per share, then sold the same 33,750 shares in open-market transactions. The sales occurred on May 18 and May 20, 2026 at average prices of $111.48 and $112.79 per share, respectively. Following these transactions, he directly holds 23,247 Common shares, with no remaining stock options reported in this filing.

Insights

Insider trading analyst

Executive exercised options then sold all acquired shares, leaving a smaller remaining stake.

Chief Governance/Legal Officer Diego Rotsztain exercised stock options for 33,750 shares of StoneX Group Inc. Common Stock at a strike price of $18.39 per share, then fully monetized those shares through open-market sales.

The sales totaled 33,750 shares, split between 20,054 shares at an average of $111.48 on May 18, 2026 and 13,696 shares at $112.79 on May 20, 2026. This exercise-and-sell pattern is typical when options are in-the-money and an executive chooses cash rather than ongoing equity exposure.

After the transactions, Rotsztain directly owns 23,247 Common shares. This reflects a notable reduction from the post-exercise level visible in the data, though the filing does not provide company-wide share counts to gauge the sale relative to total shares outstanding.

Insider Trade Summary 10b5-1

Exercise and sale activity reported; no spread calculated

Exercise and Sale 4 txns

Insider Rotsztain Diego

Role Chief Governance/Legal Officer

Sold 33,750 shs ($3.78M)

Approx. gross sale proceeds $3.78M

Approx. exercise cost $621K

Type	Security	Shares	Price	Value
Sale	Common Stock	13,696	$112.7862	$1.54M
Exercise	Stock Options	33,750	$0.00	$0.00
Exercise	Common Stock	33,750	$18.39	$621K
Sale	Common Stock	20,054	$111.4836	$2.24M

Holdings After Transaction: Stock Options — 405,000 contracts (Direct); Common Stock — 23,247 shares (Direct)

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.

Key Figures

Options exercised: 33,750 shares Strike price: $18.39 per share Shares sold May 18, 2026: 20,054 shares at $111.48 +2 more

5 metrics

Options exercised 33,750 shares Common Stock acquired via option exercise

Strike price $18.39 per share Exercise price of stock options

Shares sold May 18, 2026 20,054 shares at $111.48 Open-market sale of Common Stock

Shares sold May 20, 2026 13,696 shares at $112.79 Open-market sale of Common Stock

Shares held after transactions 23,247 shares Direct Common Stock ownership following sales

Key Terms

open-market sale, derivative exercise/conversion, Stock Options, Common Stock, +1 more

5 terms

open-market sale financial

"transaction_action: "open-market sale" for Common Stock transactions"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

derivative exercise/conversion financial

"transaction_action: "derivative exercise/conversion" for stock option exercise"

Stock Options financial

"security_title: "Stock Options" in the derivative transaction entry"

Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.

Common Stock financial

"security_title: "Common Stock" in non-derivative transactions"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"INSIDER FILING DATA (Form 4): JSON metadata header"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did StoneX Group (SNEX) report for Diego Rotsztain?

StoneX Group (SNEX) reported that Chief Governance/Legal Officer Diego Rotsztain exercised options for 33,750 Common shares, then sold all 33,750 shares in open-market transactions on May 18 and May 20, 2026 at average prices around $111–113 per share.

How many StoneX Group (SNEX) shares did Diego Rotsztain sell and at what prices?

Diego Rotsztain sold a total of 33,750 StoneX Group (SNEX) Common shares. He sold 20,054 shares at an average price of $111.48 on May 18, 2026 and 13,696 shares at an average price of $112.79 on May 20, 2026.

Did Diego Rotsztain buy any StoneX Group (SNEX) shares in this Form 4 filing?

He did not make open-market purchases of StoneX Group (SNEX) stock. Instead, he acquired 33,750 shares by exercising stock options at a strike price of $18.39 per share, then sold all of those shares in subsequent open-market transactions.

How many StoneX Group (SNEX) shares does Diego Rotsztain hold after these transactions?

After exercising options and selling 33,750 StoneX Group (SNEX) shares, Diego Rotsztain directly owns 23,247 Common shares. This figure reflects his remaining direct equity stake as reported in the Form 4 following the May 2026 transactions.

What type of transactions are shown in the StoneX Group (SNEX) Form 4 for Diego Rotsztain?

The StoneX Group (SNEX) Form 4 shows a derivative exercise and open-market sales. Rotsztain exercised stock options to acquire 33,750 Common shares, then executed two open-market sale transactions disposing of all 33,750 shares at prices above $111 per share.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 05/20/2026 - 05:29 PM Learn about SEC filing dates

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).

X

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^*

Rotsztain Diego

(Last) (First) (Middle)

230 PARK AVENUE

10TH FLOOR

(Street)

NEW YORK NEW YORK 10169

(City) (State) (Zip)

UNITED STATES

(Country)

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
X	Officer (give title below)		Other (specify below)
	Chief Governance/Legal Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/18/2026

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

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

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

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	05/18/2026		M		33,750	A	$18.39	56,997	D
Common Stock	05/18/2026		S		20,054	D	$111.4836(1)	36,943	D
Common Stock	05/20/2026		S		13,696	D	$112.7862(1)	23,247	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	$18.39	05/18/2026		M			33,750	12/05/2026	12/05/2031	Common Stock	33,750	$0	405,000	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:

	Diego Rotsztain	05/20/2026
	** 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.
* Form 4: SEC 1474 (03-26)