John Radziwill is Chairman at StoneX Group Inc. (SNEX). They have made 15 open-market trades across 3 companies since 2006, most recently 2026-04-30.
CIK 0001210033
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
9 open-market purchases totalling $1.2M since 2006, against 6 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| SNEX | 154,438 | $8.8M |
| INTL | 32,284 | $964K |
| IAAC | 6,118 | — |
| Total | $9.8M |
Shares reported on the most recent Form 4, priced at the 2026-05-04 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| SNEX | BUY | 2025-12-16 | 2025-12-18 | $97.25 | $97K | +0.9% | +12.5% | -26.1% |
| SNEX | BUY | 2025-06-12 | 2025-06-13 | $85.00 | $119K | +6.2% | +9.5% | +15.0% |
| SNEX | BUY | 2023-06-08 | 2023-06-12 | $87.02 | $254K | -4.1% | +2.5% | +3.8% |
| SNEX | SELL | 2020-10-16 | 2020-10-19 | $54.97 | $489K | -2.5% | +8.2% | +5.2% |
| SNEX | SELL | 2020-10-13 | 2020-10-15 | $54.63 | $712K | +1.9% | +12.4% | +16.7% |
| SNEX | SELL | 2020-10-09 | 2020-10-13 | $54.22 | $2.5M | +4.3% | +7.9% | +16.4% |
| SNEX | SELL | 2020-10-07 | 2020-10-09 | $53.53 | $1.6M | +3.8% | +8.4% | +16.6% |
| SNEX | SELL | 2020-10-05 | 2020-10-07 | $52.95 | $2.2M | +3.2% | +2.0% | +10.2% |
| SNEX | SELL | 2020-09-29 | 2020-10-01 | $51.42 | $1.4M | +9.9% | +8.5% | +15.5% |
| INTL | BUY | 2011-12-22 | 2011-12-23 | $23.00 | $15K | -15.1% | -2.8% | -2.8% |
| IAAC | BUY | 2010-11-22 | 2010-11-24 | $23.00 | $46K | N/A | N/A | N/A |
| IAAC | BUY | 2007-12-28 | 2007-12-28 | $26.67 | $133K | N/A | N/A | N/A |
| IAAC | BUY | 2007-12-26 | 2007-12-31 | $26.27 | $171K | N/A | N/A | N/A |
| IAAC | BUY | 2007-12-21 | 2007-12-26 | $26.40 | $92K | N/A | N/A | N/A |
| IAAC | BUY | 2006-01-18 | 2006-01-19 | $8.75 | $298K | N/A | N/A | N/A |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.