Sean O'Connor Biography and Net Worth

CEO of StoneX Group


Sean M. O'Connor joined the company in October 2002 as Chief Executive Officer and was appointed as President in October 2015. In December 2002, he was elected to the Board of Directors. From 1994 until 2002, Mr. O'Connor was Chief Executive Officer of Standard New York Securities, a division of Standard Bank. From 1999 until 2002, Mr. O'Connor also served as Executive Director of Standard Bank London, Ltd., a United Kingdom bank and subsidiary of the Standard Bank of South Africa.

What is Sean Michael O'Connor's net worth?

The estimated net worth of Sean Michael O'Connor is at least $96.77 million as of October 12th, 2026. Mr. O'Connor owns 1,831,799 shares of StoneX Group stock worth more than $96,773,941 as of November 1st. This net worth approximation does not reflect any other investments that Mr. O'Connor may own. Learn More about Sean Michael O'Connor's net worth.

How do I contact Sean Michael O'Connor?

The corporate mailing address for Mr. O'Connor and other StoneX Group executives is 230 Park Ave, 10th Floor, New York, NY, 10169. StoneX Group can also be reached via phone at (212) 485-3500 and via email at [email protected]. Learn More on Sean Michael O'Connor's contact information.

Has Sean Michael O'Connor been buying or selling shares of StoneX Group?

During the last quarter, Sean Michael O'Connor has sold $4,595,531.80 in StoneX Group stock. Most recently, Sean Michael O'Connor sold 76,148 shares of the business's stock in a transaction on Monday, October 12th. The shares were sold at an average price of $60.35, for a transaction totalling $4,595,531.80. Following the completion of the sale, the chairman now directly owns 1,831,799 shares of the company's stock, valued at $110,549,069.65. Learn More on Sean Michael O'Connor's trading history.

Who are StoneX Group's active insiders?

StoneX Group's insider roster includes Annabelle Bexiga (Director), Scott Branch (Director), William Dunaway (CFO), John Fowler (Director), Patricia Harrod (Insider), Charles Lyon (CEO), Mark Maurer (Insider), Xuong Nguyen (COO), Sean O'Connor (CEO), Eric Parthemore (Director), Abigail Perkins (Insider), John Radziwill (Chairman), Diego Rotsztain (Insider), Aaron Schroeder (CAO), Philip Smith (CEO), Glenn Stevens (Insider), and Dhamu Thamodaran (Director). Learn More on StoneX Group's active insiders.

Are insiders buying or selling shares of StoneX Group?

During the last twelve months, StoneX Group insiders bought shares 2 times. They purchased a total of 4,000 shares worth more than $258,450.00. During the last twelve months, insiders at the sold shares 51 times. They sold a total of 2,242,711 shares worth more than $168,285,713.71. The most recent insider tranaction occured on October, 15th when CEO Philip Andrew Smith sold 45,000 shares worth more than $2,677,500.00. Insiders at StoneX Group own 11.8% of the company. Learn More about insider trades at StoneX Group.

Information on this page was last updated on 10/15/2026.

Sean Michael O'Connor Insider Trading History at StoneX Group

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
10/12/2026Sell76,148$60.35$4,595,531.801,831,799View SEC Filing Icon  
7/22/2026Sell104,934$74.33$7,799,744.221,750,447View SEC Filing Icon  
6/15/2026Sell112,500$90.28$10,156,500.001,630,381View SEC Filing Icon  
6/12/2026Sell112,500$87.43$9,836,250.001,742,881View SEC Filing Icon  
5/19/2026Sell108,210$73.29$7,931,071.601,855,381View SEC Filing Icon  
5/18/2026Sell131,685$74.31$9,785,073.401,855,381View SEC Filing Icon  
5/15/2026Sell210,105$73.54$15,451,121.701,855,381View SEC Filing Icon  
2/9/2026Sell60,000$83.30$4,998,000.001,281,190View SEC Filing Icon  
5/1/2025Sell5,125$60.38$309,447.501,529,500View SEC Filing Icon  
4/29/2025Sell51,124$59.75$3,054,829.411,534,626View SEC Filing Icon  
11/6/2024Sell84,375$43.74$3,690,750.001,140,736View SEC Filing Icon  
11/22/2022Sell62,775$30.03$1,884,924.001,119,348View SEC Filing Icon  
7/28/2022Sell43,530$25.57$1,113,207.201,186,848View SEC Filing Icon  
7/26/2022Sell2,031$25.20$51,181.201,251,303View SEC Filing Icon  
7/19/2022Sell1,012$25.23$25,532.391,253,335View SEC Filing Icon  
10/14/2021Sell8,190$20.40$167,076.00View SEC Filing Icon  
10/12/2021Sell7,425$20.22$150,128.00View SEC Filing Icon  
10/6/2021Sell21,946$19.93$437,359.40View SEC Filing Icon  
10/4/2021Sell37,741$19.56$738,046.22View SEC Filing Icon  
10/1/2021Sell12,583$19.68$247,633.44View SEC Filing Icon  
5/12/2021Sell33,030$20.74$685,066.671,135,783View SEC Filing Icon  
1/19/2021Sell6,097$17.78$108,391.111,141,323View SEC Filing Icon  
1/15/2021Sell60,804$17.90$1,088,166.401,141,323View SEC Filing Icon  
12/9/2020Sell17,664$19.26$340,195.56937,467View SEC Filing Icon  
See Full Table

Sean Michael O'Connor Buying and Selling Activity at StoneX Group

This chart shows Sean Michael O'Connor's buying and selling at StoneX Group by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

StoneX Group Company Overview

StoneX Group logo
StoneX Group Inc. operates as a global financial services network that connects companies, organizations, traders, and investors to market ecosystem worldwide. The company operates through Commercial, Institutional, Retail, and Global Payments segments. The Commercial segment provides risk management and hedging, exchange-traded and OTC products execution and clearing, voice brokerage, market intelligence, physical trading, and commodity financing and logistics services. The Institutional segment offers equity trading services to institutional clients; clearing and execution services in futures exchanges; brokerage foreign exchange services for the financial institutions and professional traders; and OTC products, as well as originates, structures, and places debt instruments in capital markets. This segment also operates as an institutional dealer in fixed income securities to serve asset managers, commercial bank trust and investment departments, broker-dealers, and insurance companies, as well as engages in asset management business. The Retail segment provides trading services and solutions in the global financial markets, including spot foreign exchange, precious metals trading, and contracts for differences; and wealth management services, as well as offers physical gold and other precious metals in various forms and denominations through Stonexbullion.com. The Global Payments segment provides customized payment, technology, and treasury services to banks and commercial businesses, charities, and non-governmental and government organizations; and pricing and payments services. The company was formerly known as INTL FCStone Inc. and changed its name to StoneX Group Inc. in July 2020. StoneX Group Inc. was founded in 1924 and is headquartered in New York, New York.
Read More

Today's Range

Now: $52.83
Low: $52.26
High: $54.32

50 Day Range

MA: $64.22
Low: $52.83
High: $70.37

2 Week Range

Now: $52.83
Low: $36.45
High: $94.66

Volume

1,573,381 shs

Average Volume

1,061,721 shs

Market Capitalization

$6.37 billion

P/E Ratio

12.61

Dividend Yield

N/A

Beta

0.66