StoneX Group Inc. (SNEX) Insider Ownership

Historic Insider Ownership Trends

StoneX's three largest insider shareholders as of June 06, 2026 are Sean Michael Oconnor (Executive Vice Chairman Board, 1.24Mn shares), Sean Michael Oconnor (Ceo/President, 1.13Mn shares), Sean Michael Oconnor (Executive Vice Chairman Board, 1.06Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Scott J Branch - 0 512,434 14 Mar, 2024
Sean Michael Oconnor Executive Vice Chairman Board 1,236,921 0 01 Apr, 2026
John Radziwill Chairman Of The Board 102,849 0 10 Mar, 2026
Eric Parthemore - 30,916 0 10 Mar, 2026
Bruce Krehbiel - 30,299 0 31 Jan, 2022
John Moore Fowler - 114,866 0 10 Mar, 2026
William J Dunaway Chief Financial Officer 176,098 0 15 Dec, 2025
Aaron Schroeder Chief Accounting Officer 36,654 0 15 Dec, 2025
Glenn Henry Stevens - 93,664 0 19 Dec, 2023
Diego Rotsztain Chief Governance/Legal Officer 27,484 0 15 Dec, 2025
Dhamu R. Thamodaran - 34,936 0 10 Mar, 2026
Annabelle G Bexiga - 23,188 0 15 Apr, 2026
Steven A Kass - 36,757 0 10 Mar, 2026
Philip Andrew Smith Chief Executive Officer 514,719 0 10 Apr, 2026
Xuong Nguyen Chief Operating Officer 80,816 0 19 Dec, 2023
Charles M Lyon President 150,330 0 10 Feb, 2026
Patricia Marie Harrod - 12,066 0 26 Oct, 2021
Mark Lowry Maurer - 90,331 0 10 Feb, 2026
Diane L. Cooper - 24,825 0 10 Mar, 2026
Abigail H Perkins Chief Information Officer 48,259 0 17 Feb, 2026
Stuart Davison Chief Operating Officer 15,810 0 15 Dec, 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
15 Apr, 2026 Annabelle G Bexiga Common Stock D 1,500 $101.91 23,188 D S
10 Apr, 2026 Philip Andrew Smith Common Stock A 30,000 $13.34 544,719 D M
10 Apr, 2026 Philip Andrew Smith Common Stock D 30,000 $92.23 514,719 D S
10 Apr, 2026 Philip Andrew Smith Stock Options D 30,000 $0.00 678,750 D M
31 Mar, 2026 Sean Michael Oconnor Common Stock D 44,269 $77.95 1,236,921 D F
13 Mar, 2026 Annabelle G Bexiga Common Stock D 1,000 $106.54 16,459 D S
10 Mar, 2026 Annabelle G Bexiga Restricted Shares of Common Stock A 1,101 $0.00 17,459 D A
10 Mar, 2026 Steven A Kass Restricted Shares of Common Stock A 1,101 $0.00 36,757 D A
10 Mar, 2026 Eric Parthemore Restricted Shares of Common Stock A 1,101 $0.00 30,916 D A
10 Mar, 2026 Dhamu R. Thamodaran Restricted Shares of Common Stock A 1,101 $0.00 34,936 D A
10 Mar, 2026 John Moore Fowler Restricted Shares of Common Stock A 1,101 $0.00 114,866 D A
10 Mar, 2026 John Radziwill Restricted Shares of Common Stock A 1,101 $0.00 102,849 D A
10 Mar, 2026 Dhamu R. Thamodaran Restricted Shares of Common Stock A 1,101 $0.00 34,936 D A
10 Mar, 2026 Dhamu R. Thamodaran Restricted Shares of Common Stock A 1,101 $0.00 34,936 D A
10 Mar, 2026 Diane L. Cooper Restricted Shares of Common Stock A 1,101 $0.00 24,825 D A
13 Feb, 2026 Abigail H Perkins Common Stock A 8,000 $27.58 56,259 D M
13 Feb, 2026 Abigail H Perkins Common Stock D 8,000 $126.72 48,259 D S
13 Feb, 2026 Abigail H Perkins Stock Options D 8,000 $0.00 233,875 D M
09 Feb, 2026 Sean Michael Oconnor Common Stock A 40,000 $20.00 894,127 D M
09 Feb, 2026 Sean Michael Oconnor Common Stock D 40,000 $124.95 854,127 D S