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.
StoneX Group Inc.
Director · Chairman of the Board
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 |
|---|---|---|---|---|---|
| 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 | — | — |
| Feb 27, 2024 | StoneX Group Inc. | Grant or award | +1,766 | — | — |
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