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sellNotable cluster of 6

Sean Michael Oconnor sold $20M of SNEX

Executive Vice-Chairman-Board at StoneX Group Inc.. 150,000 shares at an average of $133.29, traded Jun 12, 2026, filed Jun 16, 2026.

Warning score
65
Value
$20M
150,000 shares
Holdings after
1,086,921
-12% from before
From 52-week low
+139%
low $36.42, close $87.13
From 52-week high
0%
high $87.13, as of Jun 12, 2026

Score components

  • Role
    Chair
    +20
  • Trade size
    $20.0M at market
    +25
  • Share of holdings sold
    Sold 12% of holdings
    +5
  • Cluster
    6 insiders selling within 14 days
    +15

What happened after comparable sells

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.

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 Jun 16, 2026: -31.3%SPY +4.2% · excess -35.6%

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 0001208362-26-000009, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 12, 2026SOpen-market sale
Common Stock
-75,000$131.15$9.8M1,161,921Jun 16, 2026
Jun 15, 2026SOpen-market sale
Common Stock
-75,000$135.42$10M1,086,921Jun 16, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
30Weak
SNEXsell 410b5-1
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%
45Moderate
SNEXsell 810b5-1
StoneX Group Inc.
Diego Rotsztain
Chief Governance/Legal Officer
$1.5M
20,630 shares
-37%

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.

Sean Michael Oconnor sold $20M of SNEX | InsiderTell