StoneX Group Inc. (SNEX) Insider Trading

Over the last 3 months, SNEX insiders made 0 open-market buys and 17 sales, a net sale of -$54.6M (SEC Form 4). Over the last 6 months, 435 institutions increased and 149 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
17
Net (3m)
-$54.6M
Insider trades by month Buys Sells
Nov
Dec
Feb
Mar
Apr
May
Context3-month price +32.6%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
May 26, 2026Maurer Mark Lowryother: Chief Risk OfficerSell11,398$112.25
May 26, 2026Smith Philip Andrewdirector, officer: Chief Executive OfficerSell8,535$112.72
May 20, 2026Rotsztain Diegoofficer: Chief Governance/Legal OfficerSell20,054$111.48
May 20, 2026Rotsztain Diegoofficer: Chief Governance/Legal OfficerSell13,696$112.79
May 20, 2026Rotsztain Diegoofficer: Chief Governance/Legal OfficerOption33,750$18.39
May 19, 2026OCONNOR SEAN MICHAELdirector, officer: Executive Vice-Chairman-BoardSell140,070$110.31
May 19, 2026OCONNOR SEAN MICHAELdirector, officer: Executive Vice-Chairman-BoardOption140,070$13.34
May 19, 2026OCONNOR SEAN MICHAELdirector, officer: Executive Vice-Chairman-BoardSell72,140$109.94
May 19, 2026OCONNOR SEAN MICHAELdirector, officer: Executive Vice-Chairman-BoardOption72,140$13.34
May 19, 2026OCONNOR SEAN MICHAELdirector, officer: Executive Vice-Chairman-BoardOption87,790$13.34
May 19, 2026OCONNOR SEAN MICHAELdirector, officer: Executive Vice-Chairman-BoardSell87,790$111.46
May 18, 2026BEXIGA ANNABELLE GdirectorSell1,500$112.82
May 18, 2026Dunaway William Jofficer: Chief Financial OfficerSell64,017$110.46
May 18, 2026Dunaway William Jofficer: Chief Financial OfficerOption84,375$13.34
May 15, 2026Maurer Mark Lowryother: Chief Risk OfficerSell34,862$116.29
May 15, 2026Maurer Mark Lowryother: Chief Risk OfficerOption46,260$13.34
May 13, 2026Schroeder Aaronofficer: Chief Accounting OfficerSell3,500$122.65
May 11, 2026PARTHEMORE ERICdirectorSell2,500$123.30
May 11, 2026KASS STEVEN AdirectorSell2,000$123.26
May 5, 2026FOWLER JOHN MOOREdirectorSell1,050$106.25
May 4, 2026Cooper Diane L.directorGrant87—
May 4, 2026KASS STEVEN AdirectorGrant131—
May 4, 2026RADZIWILL JOHNdirector, officer: Chairman of the BoardGrant165—
May 4, 2026FOWLER JOHN MOOREdirectorTax82$103.65
May 4, 2026FOWLER JOHN MOOREdirectorGrant131—
May 4, 2026Thamodaran Dhamu R.directorGrant107—
Apr 30, 2026FOWLER JOHN MOOREdirectorTax52$106.14
Apr 15, 2026BEXIGA ANNABELLE GdirectorSell1,500$101.91
Apr 14, 2026Smith Philip Andrewdirector, officer: Chief Executive OfficerSell30,000$92.23
Apr 14, 2026Smith Philip Andrewdirector, officer: Chief Executive OfficerOption30,000$13.34

Source: SNEX SEC Form 4 filings, latest May 26, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their SNEX positions over the last 6 months (SEC Form 13F).

Increased
435
New positions
103
Reduced
149
Sold out
80
Largest moves
InstitutionActionSharesFiled
BLACKROCK, INC.Increased11.0MMay 13, 2026
BLACKROCK, INC.Increased7.0MFeb 12, 2026
VANGUARD GROUP INCIncreased4.0MJan 29, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position3.7MMay 8, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased3.5MMay 15, 2026
AMERICAN CENTURY COMPANIES INCIncreased3.4MMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position3.0MMay 15, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased2.9MFeb 17, 2026
STATE STREET CORPIncreased2.8MMay 15, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.Increased2.5MMay 15, 2026
DIMENSIONAL FUND ADVISORS LPIncreased2.1MMay 7, 2026
AMERICAN CENTURY COMPANIES INCReduced2.0MFeb 13, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased2.0MMay 15, 2026
STATE STREET CORPIncreased1.8MFeb 13, 2026
ALTRAVUE CAPITAL, LLCIncreased1.6MMay 13, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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