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Insider · CIK 0001208362

Sean Michael Oconnor

ceopresidentofficerdirectorchair

Files at SNEX (StoneX Group Inc.). First filing Nov 8, 2024, latest Jul 23, 2026.

In brief

Sean Michael Oconnor files SEC Form 4 as CEO, president, director and chair at SNEX (StoneX Group Inc.). Since Nov 8, 2024, Sean Michael Oconnor has reported 0 open-market buys worth $0 and 8 open-market sells worth $83M, the latest filed on Jul 23, 2026.

A track record needs three past buys with six months of prices behind them; Sean Michael Oconnor has 0, so none is measured yet.

The newest scored trade: sold $7.8M of SNEX on Jul 22, 2026, filed Jul 23, 2026, scored 25 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 4 sells worth $71M.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 8
$0 bought, $83M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

SNEX: StoneX Group Inc.

SNEXOct 12, 2026 · close 60.38

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
25Weak
SNEXsell 810b5-1
StoneX Group Inc.
$7.8M
104,934 shares
-6%+103% from low-20% from high
65Notable
SNEXsell 6
StoneX Group Inc.
$20M
150,000 shares
-12%+139% from low0% from high
30Weak
SNEXsell 1010b5-1
StoneX Group Inc.
$33M
300,000 shares
-22%+102% from low-10% from high
45Moderate
SNEXsell 5
StoneX Group Inc.
$10.0M
80,000 shares
-9%+80% from low0% from high
38Weak
SNEXsell
StoneX Group Inc.
$478k
5,000 shares
-4%+86% from low-2% from high
33Weak
SNEXsell 210b5-1
StoneX Group Inc.
$3.4M
37,500 shares
-4%+73% from low0% from high
65Notable
SNEXsell 3
StoneX Group Inc.
$4.1M
40,000 shares
-3%-
38Weak
SNEXsell 210b5-1
StoneX Group Inc.
$3.7M
37,500 shares
-7%-

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Jul 22, 2026 SNEX
StoneX Group Inc.
104,934
0.13% of outstanding
$7.8MJul 22, 2026$53M
Jun 15, 2026 SNEX
StoneX Group Inc.
75,000
0.09% of outstanding
$10MJun 15, 2026$43M
Jun 12, 2026 SNEX
StoneX Group Inc.
75,000
0.09% of outstanding
$9.8MJun 12, 2026$33M
May 15, 2026 SNEX
StoneX Group Inc.
300,000
0.38% of outstanding
$33MMay 15, 2026none
Feb 10, 2026 SNEX
StoneX Group Inc.
40,000
0.08% of outstanding
$4.9MFeb 10, 2026$5.0M
Feb 9, 2026 SNEX
StoneX Group Inc.
40,000
0.08% of outstanding
$5.0MFeb 9, 2026none
Aug 20, 2025 SNEX
StoneX Group Inc.
2,000
0.00% of outstanding
$193kAug 20, 2025$285k
Aug 19, 2025 SNEX
StoneX Group Inc.
3,000
0.01% of outstanding
$285kAug 19, 2025none
Apr 29, 2025 SNEX
StoneX Group Inc.
37,500
0.12% of outstanding
$3.4MApr 29, 2025none
Nov 6, 2024 SNEX
StoneX Group Inc.
37,500
0.12% of outstanding
$3.7MNov 6, 2024none

Transactions

Every row this insider has filed, 39 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jul 22, 2026SNEX
StoneX Group Inc.
MOption exercise
Common Stock10b5-1
+225,000$8.90$2.0M1,855,381Jul 23, 2026
Jul 22, 2026SNEX
StoneX Group Inc.
SOpen-market sale
Common Stock10b5-1
-104,934$74.33$7.8M1,750,447Jul 23, 2026
Jul 22, 2026SNEX
StoneX Group Inc.
MOption exercise
Stock Optionsderivative10b5-1
-225,000$0.00$01,676,250Jul 23, 2026
Jun 12, 2026SNEX
StoneX Group Inc.
SOpen-market sale
Common Stock
-75,000$131.15$9.8M1,161,921Jun 16, 2026
Jun 15, 2026SNEX
StoneX Group Inc.
SOpen-market sale
Common Stock
-75,000$135.42$10M1,086,921Jun 16, 2026
May 15, 2026SNEX
StoneX Group Inc.
MOption exercise
Common Stock10b5-1
+140,070$13.34$1.9M1,376,991May 19, 2026
May 15, 2026SNEX
StoneX Group Inc.
SOpen-market sale
Common Stock10b5-1
-140,070$110.31$15M1,236,921May 19, 2026
May 18, 2026SNEX
StoneX Group Inc.
MOption exercise
Common Stock10b5-1
+87,790$13.34$1.2M1,324,711May 19, 2026
May 18, 2026SNEX
StoneX Group Inc.
SOpen-market sale
Common Stock10b5-1
-87,790$111.46$9.8M1,236,921May 19, 2026
May 19, 2026SNEX
StoneX Group Inc.
MOption exercise
Common Stock10b5-1
+72,140$13.34$962k1,309,061May 19, 2026
May 19, 2026SNEX
StoneX Group Inc.
SOpen-market sale
Common Stock10b5-1
-72,140$109.94$7.9M1,236,921May 19, 2026
May 15, 2026SNEX
StoneX Group Inc.
MOption exercise
Stock Optionsderivative10b5-1
-140,070$0.00$01,427,430May 19, 2026
May 18, 2026SNEX
StoneX Group Inc.
MOption exercise
Stock Optionsderivative10b5-1
-87,790$0.00$01,339,640May 19, 2026
May 19, 2026SNEX
StoneX Group Inc.
MOption exercise
Stock Optionsderivative10b5-1
-72,140$0.00$01,267,500May 19, 2026
Mar 31, 2026SNEX
StoneX Group Inc.
FTax withholding
Common Stock
-44,269$77.95$3.5M1,236,921Apr 2, 2026
Feb 9, 2026SNEX
StoneX Group Inc.
MOption exercise
Common Stock
+40,000$20.00$800k894,127Feb 11, 2026
Feb 9, 2026SNEX
StoneX Group Inc.
SOpen-market sale
Common Stock
-40,000$124.95$5.0M854,127Feb 11, 2026
Feb 10, 2026SNEX
StoneX Group Inc.
MOption exercise
Common Stock
+40,000$20.00$800k894,127Feb 11, 2026
Feb 10, 2026SNEX
StoneX Group Inc.
SOpen-market sale
Common Stock
-40,000$124.56$5.0M854,127Feb 11, 2026
Feb 9, 2026SNEX
StoneX Group Inc.
MOption exercise
Stock Optionsderivative
-40,000$0.00$01,085,000Feb 11, 2026
Feb 10, 2026SNEX
StoneX Group Inc.
MOption exercise
Stock Optionsderivative
-40,000$0.00$01,045,000Feb 11, 2026
Dec 15, 2025SNEX
StoneX Group Inc.
GGift
Common Stock
-540$0.00$0869,127Dec 17, 2025
Dec 16, 2025SNEX
StoneX Group Inc.
GGift
Common Stock
-15,000$0.00$0854,127Dec 17, 2025
Aug 19, 2025SNEX
StoneX Group Inc.
SOpen-market sale
Common Stockindirect: By Trust
-3,000$95.00$285k134,902Aug 20, 2025
Aug 20, 2025SNEX
StoneX Group Inc.
SOpen-market sale
Common Stockindirect: By Trust
-2,000$96.50$193k132,902Aug 20, 2025
Apr 29, 2025SNEX
StoneX Group Inc.
SOpen-market sale
Common Stock10b5-1
-34,083$89.63$3.1M1,023,084May 1, 2025
May 1, 2025SNEX
StoneX Group Inc.
SOpen-market sale
Common Stock10b5-1
-3,417$90.57$309k1,019,667May 1, 2025
Mar 31, 2025SNEX
StoneX Group Inc.
AGrant or award
Restricted Shares of Common Stock
+300,000$0.00$01,057,167Apr 2, 2025
Dec 13, 2024SNEX
StoneX Group Inc.
AGrant or award
Restricted Shares of Common Stock
+13,234$0.00$0504,778Dec 17, 2024
Dec 4, 2024SNEX
StoneX Group Inc.
GGift
Common Stock
-450$0.00$0506,544Dec 6, 2024
Dec 6, 2024SNEX
StoneX Group Inc.
GGift
Common Stock
-15,000$0.00$0491,544Dec 6, 2024
Nov 22, 2024SNEX
StoneX Group Inc.
SOpen-market sale
Common Stockindirect: Darseaker Limited
-20,000$100.14$2.0M1,150,651Nov 26, 2024
Nov 25, 2024SNEX
StoneX Group Inc.
SOpen-market sale
Common Stockindirect: Darseaker Limited
-20,000$103.75$2.1M1,130,651Nov 26, 2024
Nov 6, 2024SNEX
StoneX Group Inc.
SOpen-market sale
Common Stock10b5-1
-37,500$98.42$3.7M506,994Nov 8, 2024
Dec 5, 2023SNEX
StoneX Group Inc.
AGrant or award
Stock Optionsderivative
+300,000$64.25$19M600,000Dec 26, 2023
Dec 21, 2023SNEX
StoneX Group Inc.
AGrant or award
Stock Optionsderivative
+150,000$71.35$11M750,000Dec 26, 2023
Dec 15, 2023SNEX
StoneX Group Inc.
AGrant or award
Restricted Shares of Common Stock
+20,884$0.00$0544,494Dec 19, 2023
Dec 8, 2023SNEX
StoneX Group Inc.
GGift
Common Stock
-500$0.00$0523,610Dec 11, 2023
Dec 5, 2023SNEX
StoneX Group Inc.
AGrant or award
Stock Optionsderivative
+450,000$64.25$29M750,000Dec 7, 2023

Questions about Sean Michael Oconnor

Answered from the filings on this page, as of the latest one.

Is Sean Michael Oconnor buying or selling?

In the last 12 months Sean Michael Oconnor reported 0 open-market buys worth $0 and 4 open-market sells worth $71M on SEC Form 4; the latest was sold $7.8M of SNEX on Jul 22, 2026. Grants, option exercises and tax withholding are not counted.

How did Sean Michael Oconnor's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Sean Michael Oconnor has 0.

Where does Sean Michael Oconnor file Form 4?

Sean Michael Oconnor has filed Form 4 at SNEX (StoneX Group Inc.) as CEO/President. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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: insider trades and track record | InsiderTell