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buyWeak

John Radziwill bought $97k of SNEX

Chairman of the Board at StoneX Group Inc.. 1,000 shares at an average of $97.25, traded Dec 16, 2025, filed Dec 18, 2025.

Conviction score
25
Value
$97k
1,000 shares
Holdings after
101,596
+1% from before
From 52-week low
+59%
low $27.10, close $43.16
From 52-week high
-7%
high $46.47, as of Dec 16, 2025

Score components

  • Role
    Chair
    +20
  • Trade size
    $97k at market
    +10
  • Relative to holdings
    Under 1% of holdings (1.0%)
    -5
  • Price context
    Near the top of the 52-week range
    0
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +15.1%, 3m +10.2%, 6m +121.5%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

SNEXOct 12, 2026 · close 60.38
Since filing Dec 18, 2025: +44.3%SPY +16.3% · excess +28.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001210033-25-000008, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 16, 2025POpen-market purchase
Common Stock
+1,000$97.25$97k101,596Dec 18, 2025

Related signals

Other insiders at StoneX Group Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
Pro nowfree Oct 20, 2026
SNEXsell 210b5-1
StoneX Group Inc.
Sean Michael Oconnor
Executive Vice-Chairman-Board
$4.6M
76,148 shares
-4%
30Weak
SNEXsell 510b5-1
StoneX Group Inc.
Philip Andrew Smith
Chief Executive Officer
$3.7M
56,250 shares
-7%
30Weak
SNEXsell 410b5-1
StoneX Group Inc.
Abigail H Perkins
Chief Information Officer
$614k
8,924 shares
-9%
40Moderate
SNEXsell 410b5-1
StoneX Group Inc.
Diego Rotsztain
Chief Governance/Legal Officer
$3.5M
50,625 shares
-59%
23Weak
SNEXsell 410b5-1
StoneX Group Inc.
Mark Lowry Maurer
other
$7.0M
103,092 shares
-34%
32Weak
SNEXsell 410b5-1
StoneX Group Inc.
William J Dunaway
Chief Financial Officer
$6.4M
96,490 shares
-16%
18Weak
SNEXsell 510b5-1
StoneX Group Inc.
Mark Lowry Maurer
other
$3.5M
52,648 shares
-18%
9Weak
SNEXsell 410b5-1
StoneX Group Inc.
Abigail H Perkins
Chief Information Officer
$292k
4,500 shares
-4%
34Weak
SNEXbuy
StoneX Group Inc.
Dhamu R. Thamodaran
director
$161k
2,500 shares
+3%
20Weak
SNEXsell 710b5-1
StoneX Group Inc.
John Moore Fowler
director
$119k
1,575 shares
-1%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

John Radziwill bought $97k of SNEX | InsiderTell