Sean Michael Oconnor Sells $4.6M of StoneX Group Inc (SNEX) — SEC Form 4, Oct 13, 2026

Open-Market Net Sale · SEC Form 4

−$4,595,852

10b5-1 Plan

Equity position changed by +1.3%

Reporting Owner

Sean Michael Oconnor

Officer

TXN 2026-10-12 · FILED 2026-10-13

Equity Position 6.36M sh 6,279,070 → 6,360,422

Equity Change +1.3% shares held after vs before

Filing Lag 1 business day within 2-day SEC deadline

Form 4 · Statement of Changes in Beneficial Ownership

StoneX Group Inc

SNEX CIK 0000913760

Reporting Owner

Name	Relationship
Sean Michael Oconnor CIK 0001208362	Director Officer

Sean Michael Oconnor at StoneX Group Inc Full insider history

Bought (12 mo) —

Sold (12 mo) $75,535,841

More from this insider at StoneX Group Inc

Non-Derivative Securities Transactions

Title	Date	Type	Shares	Price	Net Total	Post-Txn	Ownership
Common Stock	2026-10-12	M - Exercise 10b5-1	157,500 A	$8.90	+$1,401,750	1,907,947	Direct
Common StockF1	2026-10-12	S - Sale 10b5-1	76,148 D	$60.35	-$4,595,852	1,831,799	Direct

Derivative Securities Transactions

Title	Strike	Date	Type	Shares	Price	Expiration	Underlying	Ownership
Stock Options	$8.90	2026-10-12	M - Exercise 10b5-1	157,500 D	$0.00	2026-12-05	157,500 Common Stock	Direct

Non-Derivative Holdings

Title	Shares Held	Ownership
Common Stock	636,529	Indirect By Trust
Common Stock	3,815,946	Indirect Darseaker Limited

Footnotes (1)

F1: The price reported represents an average price. The Reporting Person will provide to the Commission, the issuer and any stockholder, upon request, full information regarding the number of shares sold at each separate price. Show more

Institutional Holders

Largest by reported value

5%+ Holders · 13D/G 2 filers

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at StoneX Group Inc

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