StoneX Group (NASDAQ: SNEX) insider plans 52,648-share stock sale under Form 144

Rhea-AI Filing Summary

StoneX Group Inc. (SNEX) is reporting a proposed sale of 52,648 shares of common stock through Merrill Lynch on the NASDAQ on August 7, 2026, described as Stock Plan Activity by the issuer. The filing also lists prior common stock sales over the past three months by Mark Maurer on May 14, May 22, June 15, June 16, and July 22, 2026, each with specific share amounts.

Key Figures

Proposed shares to be sold: 52,648 shares Shares sold on May 14, 2026: 34,862 shares Shares sold on May 22, 2026: 11,398 shares +3 more

6 metrics

Proposed shares to be sold 52,648 shares Common stock sale planned for August 7, 2026 on NASDAQ

Shares sold on May 14, 2026 34,862 shares Common stock sale by Mark Maurer during past 3 months

Shares sold on May 22, 2026 11,398 shares Common stock sale by Mark Maurer during past 3 months

Shares sold on June 15, 2026 34,706 shares Common stock sale by Mark Maurer during past 3 months

Shares sold on June 16, 2026 11,542 shares Common stock sale by Mark Maurer during past 3 months

Shares sold on July 22, 2026 52,376 shares Common stock sale by Mark Maurer during past 3 months

Key Terms

Form 144, Stock Plan Activity, NASDAQ

3 terms

Form 144 regulatory

"144: Securities To Be Sold Common | 08/07/2026 | Stock Plan Activity"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Stock Plan Activity financial

"Common | 08/07/2026 | Stock Plan Activity | Issuer"

NASDAQ market

"08/07/2026 | NASDAQ 144: Securities To Be Sold"

The Nasdaq is a stock exchange where many companies' shares are bought and sold, functioning much like a marketplace for investments. It matters to investors because it provides a platform to buy and sell ownership stakes in companies, helping them track the value of those companies and make informed decisions. As one of the largest and most technology-focused markets, it also reflects trends and developments in the business world.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Available on EDGAR 08/07/2026 - 04:35 PM Accepted by SEC EDGAR 08/07/2026 - 04:34 PM Learn about SEC filing dates

FAQ

What does StoneX Group (SNEX) report in this Form 144 filing?

StoneX Group reports a proposed sale of 52,648 common shares on August 7, 2026 via Merrill Lynch on NASDAQ, categorized as Stock Plan Activity, plus a history of recent common stock sales by Mark Maurer.

How many StoneX Group (SNEX) shares are proposed to be sold on August 7, 2026?

The filing shows a proposed sale of 52,648 shares of StoneX Group common stock on August 7, 2026. These shares are to be sold through Merrill Lynch on the NASDAQ market as part of stock plan activity.

Who is the selling security holder mentioned for recent SNEX transactions?

The recent three-month transactions list Mark Maurer, with an address at 230 Park Ave, 10th Floor, New York, NY 10169, as the party associated with several common stock sales of StoneX Group shares on various 2026 dates.

What recent StoneX Group (SNEX) share sales are disclosed over the past three months?

The disclosure lists StoneX common stock sales on May 14, May 22, June 15, June 16, and July 22, 2026, with individual transactions including 34,862, 11,398, 34,706, 11,542, and 52,376 shares, respectively.

On which exchange are the StoneX Group (SNEX) shares to be sold under this Form 144?

The proposed 52,648-share sale of StoneX Group common stock is indicated for trading on the NASDAQ exchange, using Merrill Lynch as the broker, with the intended sale date of August 7, 2026.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Merrill Lynch 1800 K ST NW Suite 800 Washington DC 20006	52648	3486284	120616735	08/07/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/07/2026	Stock Plan Activity	Issuer			52648	08/07/2026	n/a

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Mark Maurer 230 Park Ave 10th Floor New York NY 10169	Common	07/22/2026	52376	3891026
Mark Maurer 230 Park Ave 10th Floor New York NY 10169	Common	06/16/2026	11542	1541954
Mark Maurer 230 Park Ave 10th Floor New York NY 10169	Common	06/15/2026	34706	4694738
Mark Maurer 230 Park Ave 10th Floor New York NY 10169	Common	05/22/2026	11398	1279005
Mark Maurer 230 Park Ave 10th Floor New York NY 10169	Common	05/14/2026	34862	4053118

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)