John Radziwill
Chairman of the Board at StoneX Group Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: StoneX Group Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
StoneX Group Inc. March 10, 202697.1%
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StoneX Group Inc. March 5, 202596.9%
-
StoneX Group Inc. February 27, 202497.0%
-
StoneX Group Inc. March 1, 202396.8%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Oct 30, 2026 | StoneX Group Inc. | Grant or award | +310 | — | — |
| Jul 31, 2026 | StoneX Group Inc. | Grant or award | +219 | — | — |
| Apr 30, 2026 | StoneX Group Inc. | Grant or award | +165 | — | — |
| Mar 10, 2026 | StoneX Group Inc. | Grant or award | +1,101 | — | — |
| Jan 30, 2026 | StoneX Group Inc. | Grant or award | +152 | — | — |
| Dec 16, 2025 | StoneX Group Inc. | Open-market purchase | +1,000 | $97.25 | $97,250 |
| Oct 31, 2025 | StoneX Group Inc. | Grant or award | +182 | — | — |
| Jul 31, 2025 | StoneX Group Inc. | Grant or award | +174 | — | — |
| Jun 12, 2025 | StoneX Group Inc. | Open-market purchase | +1,400 | $85.00 | $119,000 |
| Apr 30, 2025 | StoneX Group Inc. | Grant or award | +190 | — | — |
| Mar 5, 2025 | StoneX Group Inc. | Grant or award | +1,017 | — | — |
| Jan 31, 2025 | StoneX Group Inc. | Grant or award | +155 | — | — |
| Oct 31, 2024 | StoneX Group Inc. | Grant or award | +186 | — | — |
| Jul 31, 2024 | StoneX Group Inc. | Grant or award | +207 | — | — |
| Apr 30, 2024 | StoneX Group Inc. | Grant or award | +231 | — | — |
Questions about John Radziwill
What boards is John Radziwill on?
John Radziwill sits on the board of StoneX Group Inc.
How long has John Radziwill served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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