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SNEX insider trading — StoneX Group Inc.

Over the last 90 days, insiders at StoneX Group Inc. (SNEX) made 1 open-market purchase worth $161K and 0 open-market sales worth $0, making them net buyers by $161K. The largest purchase was by Thamodaran Dhamu R. (Director), who bought 2,500 shares for $161K on Aug 10, 2026.

Updated Oct 16, 2026.

Insider buying · 90d
$161K
Insider selling · 90d
$0
Net · 90d
+$161K
Last 30 days
0B / 0S

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Recent SNEX insider transactions

Every Form 4 filed by StoneX Group Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.

Trade dateInsiderRoleTypeOwnershipSharesPriceValueFiling
Oct 15, 2026Smith Philip AndrewChief Executive OfficerM · Option exercise · 10b5-1Direct45,000$8.90$400KForm 4
Oct 15, 2026Smith Philip AndrewChief Executive OfficerS · Sale · 10b5-1Direct45,000$59.50$2.68MForm 4
Oct 12, 2026Maurer Mark Lowry-M · Option exercise · 10b5-1Direct69,372$8.90$617KForm 4
Oct 12, 2026Maurer Mark Lowry-S · Sale · 10b5-1Direct52,953$60.35$3.20MForm 4
Oct 12, 2026Oconnor Sean MichaelExecutive Vice-Chairman-BoardM · Option exercise · 10b5-1Direct157,500$8.90$1.40MForm 4
Oct 12, 2026Oconnor Sean MichaelExecutive Vice-Chairman-BoardS · Sale · 10b5-1Direct76,148$60.35$4.60MForm 4
Sep 28, 2026Smith Philip AndrewChief Executive OfficerM · Option exercise · 10b5-1Direct56,250$8.90$501KForm 4
Sep 28, 2026Smith Philip AndrewChief Executive OfficerS · Sale · 10b5-1Direct56,250$65.69$3.69MForm 4
Sep 16, 2026Rotsztain DiegoChief Governance/Legal OfficerS · Sale · 10b5-1Direct20,298$67.13$1.36MForm 4
Sep 14, 2026Rotsztain DiegoChief Governance/Legal OfficerM · Option exercise · 10b5-1Direct50,625$12.26$621KForm 4
Sep 14, 2026Rotsztain DiegoChief Governance/Legal OfficerS · Sale · 10b5-1Direct30,327$68.83$2.09MForm 4
Sep 14, 2026Perkins Abigail HChief Information OfficerS · Sale · 10b5-1Direct8,924$68.83$614KForm 4
Sep 15, 2026Maurer Mark Lowry-S · Sale · 10b5-1Direct50,528$67.02$3.39MForm 4
Sep 14, 2026Maurer Mark Lowry-M · Option exercise · 10b5-1Direct69,372$8.90$617KForm 4
Sep 14, 2026Maurer Mark Lowry-S · Sale · 10b5-1Direct52,564$68.83$3.62MForm 4
Sep 10, 2026Lyon Charles MPresidentG · GiftDirect500——Form 4
Aug 14, 2026Dunaway William JChief Financial OfficerM · Option exercise · 10b5-1Direct126,562$8.90$1.13MForm 4
Aug 14, 2026Dunaway William JChief Financial OfficerS · Sale · 10b5-1Direct96,490$66.35$6.40MForm 4
Aug 10, 2026Perkins Abigail HChief Information OfficerM · Option exercise · 10b5-1Direct4,500$12.26$55KForm 4
Aug 10, 2026Perkins Abigail HChief Information OfficerS · Sale · 10b5-1Direct4,500$64.81$292KForm 4
Aug 10, 2026Thamodaran Dhamu R.DirectorP · PurchaseIndirect2,500$64.48$161KForm 4
Aug 7, 2026Maurer Mark Lowry-M · Option exercise · 10b5-1Direct69,372$8.90$617KForm 4
Aug 7, 2026Maurer Mark Lowry-S · Sale · 10b5-1Direct52,648$66.25$3.49MForm 4
Aug 5, 2026Fowler John MooreDirectorS · Sale · 10b5-1Direct1,575$75.41$119KForm 4
Jul 31, 2026Radziwill JohnChairman of the BoardA · Grant/awardDirect219——Form 4
Jul 31, 2026Cooper Diane L.DirectorA · Grant/awardDirect116——Form 4
Jul 31, 2026Thamodaran Dhamu R.DirectorA · Grant/awardDirect142——Form 4
Jul 31, 2026Fowler John MooreDirectorA · Grant/awardDirect174——Form 4
Jul 31, 2026Fowler John MooreDirectorF · Tax withholdingDirect230$77.62$18KForm 4
Jul 31, 2026Kass Steven ADirectorA · Grant/awardDirect174——Form 4
Jul 24, 2026Rotsztain DiegoChief Governance/Legal OfficerS · Sale · 10b5-1Direct20,630$74.40$1.53MForm 4
Jul 22, 2026Rotsztain DiegoChief Governance/Legal OfficerM · Option exercise · 10b5-1Direct50,625$12.26$621KForm 4
Jul 22, 2026Rotsztain DiegoChief Governance/Legal OfficerS · Sale · 10b5-1Direct29,995$74.32$2.23MForm 4
Jul 22, 2026Oconnor Sean MichaelExecutive Vice-Chairman-BoardM · Option exercise · 10b5-1Direct225,000$8.90$2.00MForm 4
Jul 22, 2026Oconnor Sean MichaelExecutive Vice-Chairman-BoardS · Sale · 10b5-1Direct104,934$74.33$7.80MForm 4
Jul 22, 2026Dunaway William JChief Financial OfficerM · Option exercise · 10b5-1Direct126,563$8.90$1.13MForm 4
Jul 22, 2026Dunaway William JChief Financial OfficerS · Sale · 10b5-1Direct95,970$74.33$7.13MForm 4
Jul 22, 2026Smith Philip AndrewChief Executive OfficerM · Option exercise · 10b5-1Direct45,000$8.90$400KForm 4
Jul 22, 2026Smith Philip AndrewChief Executive OfficerS · Sale · 10b5-1Direct45,000$74.32$3.34MForm 4
Jul 22, 2026Maurer Mark Lowry-M · Option exercise · 10b5-1Direct69,372$8.90$617KForm 4
Jul 22, 2026Maurer Mark Lowry-S · Sale · 10b5-1Direct52,376$74.32$3.89MForm 4
Jul 20, 2026Perkins Abigail HChief Information OfficerS · Sale · 10b5-1Direct8,919$70.43$628KForm 4

SNEX insider trading FAQ

Are insiders buying SNEX stock?

Yes. In the last 90 days, StoneX Group Inc. insiders made 1 open-market purchase totaling $161K, and no open-market sales. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).

Who are the insiders trading SNEX?

Recent buyers: Thamodaran Dhamu R..

Where does SNEX insider trading data come from?

Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.

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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.