StoneX Group Inc. (SNEX) Insider Trading
Over the last 3 months, SNEX insiders made 0 open-market buys and 23 sales, a net sale of -$80.8M (SEC Form 4). Over the last 6 months, 423 institutions increased and 152 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
23
Net (3m)
-$80.8M
Insider trades by month Buys Sells
Dec
Feb
Mar
Apr
May
Jun
Context3-month price +79.7%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 17, 2026 | Maurer Mark Lowryother: Chief Risk Officer | Sell | 11,542 | $133.63 |
| Jun 17, 2026 | Maurer Mark Lowryother: Chief Risk Officer | Sell | 34,706 | $135.31 |
| Jun 17, 2026 | Maurer Mark Lowryother: Chief Risk Officer | Option | 46,248 | $13.34 |
| Jun 16, 2026 | Lyon Charles Mofficer: President | Sell | 9,000 | $131.96 |
| Jun 16, 2026 | OCONNOR SEAN MICHAELdirector, officer: Executive Vice-Chairman-Board | Sell | 75,000 | $131.15 |
| Jun 16, 2026 | BEXIGA ANNABELLE Gdirector | Sell | 1,500 | $133.36 |
| Jun 15, 2026 | Dunaway William Jofficer: Chief Financial Officer | Sell | 63,602 | $131.16 |
| Jun 15, 2026 | Dunaway William Jofficer: Chief Financial Officer | Option | 84,375 | $13.34 |
| Jun 9, 2026 | Perkins Abigail Hofficer: Chief Information Officer | Sell | 4,312 | $118.51 |
| Jun 9, 2026 | Perkins Abigail Hofficer: Chief Information Officer | Option | 4,312 | $18.39 |
| May 26, 2026 | Smith Philip Andrewdirector, officer: Chief Executive Officer | Sell | 8,535 | $112.72 |
| May 26, 2026 | Maurer Mark Lowryother: Chief Risk Officer | Sell | 11,398 | $112.25 |
| May 20, 2026 | Rotsztain Diegoofficer: Chief Governance/Legal Officer | Sell | 20,054 | $111.48 |
| May 20, 2026 | Rotsztain Diegoofficer: Chief Governance/Legal Officer | Option | 33,750 | $18.39 |
| May 20, 2026 | Rotsztain Diegoofficer: Chief Governance/Legal Officer | Sell | 13,696 | $112.79 |
| May 19, 2026 | OCONNOR SEAN MICHAELdirector, officer: Executive Vice-Chairman-Board | Option | 72,140 | $13.34 |
| May 19, 2026 | OCONNOR SEAN MICHAELdirector, officer: Executive Vice-Chairman-Board | Option | 87,790 | $13.34 |
| May 19, 2026 | OCONNOR SEAN MICHAELdirector, officer: Executive Vice-Chairman-Board | Sell | 140,070 | $110.31 |
| May 19, 2026 | OCONNOR SEAN MICHAELdirector, officer: Executive Vice-Chairman-Board | Sell | 72,140 | $109.94 |
| May 19, 2026 | OCONNOR SEAN MICHAELdirector, officer: Executive Vice-Chairman-Board | Option | 140,070 | $13.34 |
| May 19, 2026 | OCONNOR SEAN MICHAELdirector, officer: Executive Vice-Chairman-Board | Sell | 87,790 | $111.46 |
| May 18, 2026 | BEXIGA ANNABELLE Gdirector | Sell | 1,500 | $112.82 |
| May 18, 2026 | Dunaway William Jofficer: Chief Financial Officer | Sell | 64,017 | $110.46 |
| May 18, 2026 | Dunaway William Jofficer: Chief Financial Officer | Option | 84,375 | $13.34 |
| May 15, 2026 | Maurer Mark Lowryother: Chief Risk Officer | Sell | 34,862 | $116.29 |
| May 15, 2026 | Maurer Mark Lowryother: Chief Risk Officer | Option | 46,260 | $13.34 |
| May 13, 2026 | Schroeder Aaronofficer: Chief Accounting Officer | Sell | 3,500 | $122.65 |
| May 11, 2026 | PARTHEMORE ERICdirector | Sell | 2,500 | $123.30 |
| May 11, 2026 | KASS STEVEN Adirector | Sell | 2,000 | $123.26 |
| May 5, 2026 | FOWLER JOHN MOOREdirector | Sell | 1,050 | $106.25 |
Source: SNEX SEC Form 4 filings, latest Jun 17, 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
423
New positions
111
Reduced
152
Sold out
81
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 11.0M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 7.0M | Feb 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 6.0M | May 15, 2026 |
| VANGUARD GROUP INC | Increased | 4.0M | Jan 29, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 3.7M | May 8, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 3.5M | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 3.4M | May 15, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 2.9M | Feb 17, 2026 |
| STATE STREET CORP | Increased | 2.8M | May 15, 2026 |
| VAN BERKOM & ASSOCIATES INC. | Increased | 2.8M | May 14, 2026 |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Increased | 2.5M | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 2.1M | May 7, 2026 |
| AMERICAN CENTURY COMPANIES INC | Reduced | 2.0M | Feb 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.0M | May 15, 2026 |
| STATE STREET CORP | Increased | 1.8M | Feb 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.