StoneX Group Inc. (SNEX) Insider Ownership

Historic Ownership Trends

Through the 90-day period concluding December 20, 2025, StoneX Group's top three insider stakeholders include Executive Vice Chairman Board Sean Michael Oconnor (987.03K shares), Chief Executive Officer Philip Andrew Smith (345.27K shares), Chief Financial Officer William J Dunaway (168.82K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Sean Michael Oconnor Executive Vice Chairman Board 987,029 17 Dec, 2025
Scott J Branch 792,873 02 Mar, 2023
Philip Andrew Smith Chief Executive Officer 345,270 17 Dec, 2025
William J Dunaway Chief Financial Officer 168,819 17 Dec, 2025
Charles M Lyon President 135,330 17 Dec, 2025
John Moore Fowler 117,769 05 Nov, 2025
John Radziwill Chairman Of The Board 101,596 18 Dec, 2025
Mark Lowry Maurer 90,331 17 Dec, 2025
Glenn Henry Stevens 116,946 20 Feb, 2025
Xuong Nguyen 91,224 16 Jul, 2024
Abigail H Perkins Chief Information Officer 48,597 17 Dec, 2025
Aaron Schroeder Chief Accounting Officer 36,654 17 Dec, 2025
Steven A Kass 35,535 03 Nov, 2025
Dhamu R. Thamodaran 33,736 15 Dec, 2025
Bruce Krehbiel 102,259 01 Feb, 2022
Diane L. Cooper 23,643 03 Nov, 2025
Diego Rotsztain Chief Governance/Legal Officer 21,352 17 Dec, 2025
Eric Parthemore 29,816 07 Mar, 2025
Stuart Davison Chief Operating Officer 14,400 17 Dec, 2025
Patricia Marie Harrod 40,723 27 Oct, 2021
Annabelle G Bexiga 16,361 07 Mar, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
16 Dec, 2025 John Radziwill Common Stock A 1,000 $97.25 101,596 D P
15 Dec, 2025 Philip Andrew Smith Restricted Shares of Common Stock A 13,400 $0.00 341,154 D A
15 Dec, 2025 Abigail H Perkins Restricted Shares of Common Stock A 4,346 $0.00 48,259 D A
15 Dec, 2025 Diego Rotsztain Restricted Shares of Common Stock A 5,821 $0.00 27,484 D A
15 Dec, 2025 Charles M Lyon Restricted Shares of Common Stock A 13,400 $0.00 135,330 D A
15 Dec, 2025 William J Dunaway Restricted Shares of Common Stock A 7,300 $0.00 176,098 D A
15 Dec, 2025 Stuart Davison Restricted Shares of Common Stock A 3,920 $0.00 11,639 D A
15 Dec, 2025 Mark Lowry Maurer Restricted Shares of Common Stock A 7,300 $0.00 90,331 D A
15 Dec, 2025 Aaron Schroeder Restricted Shares of Common Stock A 977 $0.00 36,654 D A
15 Dec, 2025 Sean Michael Oconnor Common Stock D 540 $0.00 869,127 D G
16 Dec, 2025 Sean Michael Oconnor Common Stock D 15,000 $0.00 854,127 D G
15 Dec, 2025 William J Dunaway Common Stock D 7,279 $97.43 168,819 D F
15 Dec, 2025 Philip Andrew Smith Restricted Shares of Common Stock A 11,282 $0.00 352,436 D A
15 Dec, 2025 Stuart Davison Restricted Shares of Common Stock A 4,171 $0.00 15,810 D A
15 Dec, 2025 Diego Rotsztain Common Stock D 6,132 $97.43 21,352 D F
15 Dec, 2025 Philip Andrew Smith Common Stock D 7,166 $97.43 345,270 D F
15 Dec, 2025 Stuart Davison Common Stock D 1,410 $97.43 14,400 D F
11 Dec, 2025 Dhamu R. Thamodaran Common Stock D 2,951 $0.00 33,736 D G
03 Nov, 2025 John Moore Fowler Common Stock D 1,125 $91.20 114,769 D S
31 Oct, 2025 Dhamu R. Thamodaran Restricted Shares of Common Stock A 118 $0.00 36,687 D A