13F Pro

SEC Form 4 reporting owner

Oconnor Sean Michael

Oconnor Sean Michael has filed 12 Form 4 transactions reported between December 15, 2025 and July 22, 2026, as Executive Vice-Chairman-Board of StoneX Group Inc..

Name as filed: OCONNOR SEAN MICHAEL

Open-market buys, 24 mo
None
reported
Open-market sales, 24 mo
$18.0M
2 lines
Companies
1
with Form 4 filings
Latest transaction
Jul 22, 2026
transaction date

Roles and reported holdings

  • SNEXStoneX Group Inc.
    Dec 15, 2025 – Jul 22, 2026

    Executive Vice-Chairman-Board

    Held directly1,750,447 sh as of Jul 22, 2026 · Form 4

    24 months: $18.0M sold

    1 line is priced far from SNEX’s market price that day, so the filing may concern a different security. Left out of totals and holdings; see the filings.

Transaction history

All 12 reported transactions, newest first. Every row links to the Form 4 on SEC EDGAR.

DateCompanyTypeSharesValueFiling
Jul 22, 2026SNEXExecutive Vice-Chairman-BoardOpen-market saleCode S · direct104,934$7.8M@ $74.33Form 4
Jul 22, 2026SNEXExecutive Vice-Chairman-BoardOption exerciseCode M · direct225,000$2.0M@ $8.90Form 4
Jun 15, 2026SNEXExecutive Vice-Chairman-BoardOpen-market saleCode S · direct75,000$10.2M@ $135.42Form 4
Jun 12, 2026SNEXExecutive Vice-Chairman-BoardOpen-market saleCode S · directPrice far from market; may be another security75,000$9.8M@ $131.15Form 4
May 19, 2026SNEXExecutive Vice-Chairman-BoardOption exerciseCode M · direct72,140$962K@ $13.34Form 4
May 18, 2026SNEXExecutive Vice-Chairman-BoardOption exerciseCode M · direct87,790$1.2M@ $13.34Form 4
May 15, 2026SNEXExecutive Vice-Chairman-BoardOption exerciseCode M · direct140,070$1.9M@ $13.34Form 4
Mar 31, 2026SNEXExecutive Vice-Chairman-BoardShares withheld for tax or exercise priceCode F · direct44,269$3.5M@ $77.95Form 4
Feb 10, 2026SNEXExecutive Vice-Chairman-BoardOption exerciseCode M · direct40,000$800K@ $20.00Form 4
Feb 9, 2026SNEXExecutive Vice-Chairman-BoardOption exerciseCode M · direct40,000$800K@ $20.00Form 4
Dec 16, 2025SNEXExecutive Vice-Chairman-BoardGiftCode G · direct15,000—Form 4
Dec 15, 2025SNEXExecutive Vice-Chairman-BoardGiftCode G · direct540—Form 4

How this page is built

Every row comes from a Form 4 filed with the SEC, which officers, directors and holders of more than 10% of a company’s stock must file within two business days of a trade. Transactions are grouped by the reporting owner’s name as filed (spacing, capitals and punctuation ignored); two different people filing under an identical name would appear together, and one person filing under two spellings appears on two pages.

Open-market totals count code P purchases and code S sales over the last 24 months. The same trade reported on more than one filing is counted once; when another owner (for example a fund and its general partner) reports the identical trade, they are listed beside it. Holdings are the shares owned after the latest purchase, sale, gift or tax-withholding line, shown separately for direct and indirect ownership; an indirect figure is one holding line, not a total across every trust or entity.

1 open-market line is priced outside 0.67×–1.5× of the stock’s closing price that day. A gap that large usually means the filing reports a different security than the company it is filed under, so those lines are shown but left out of totals and holdings.

This page describes what was filed with the SEC; it is not investment advice or a recommendation to buy or sell any security.