SNEX · ISSUER CIK 913760
StoneX Group Inc.
Between Jul 31, 2026 and Oct 28, 2026, 12 StoneX Group Inc. insiders reported $161K of open-market purchases and $35.5M of sales on SEC Form 4. The largest buyer was Thamodaran Dhamu R. (Director), with $161K.
↗12 insiders filed
Original Form 4 filings from Jul 31, 2026 to Oct 28, 2026. 11 of 11 sales were reported under a 10b5-1 plan.
$161KInsider buying
$35.5MInsider selling
−$35.4MNet open-market
Oct 15, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 15, 202619:06 | Oct 15, 2026 | SNEX | Chief Executive Officer, Director | S · Sell10b5-1 | $59.50 | −45,000 | 738,216 | -6% | −$2.7M | ||
| Oct 15, 202619:06 | Oct 15, 2026 | SNEX | Chief Executive Officer, Director | M · Exercise10b5-1 | $8.90 | +45,000 | 783,216 | +6% | $401K | ||
| Oct 14, 202620:00 | Oct 12, 2026 | SNEX | Chief Risk Officer | S · Sell10b5-1 | $60.35 | −52,953 | 219,663 | -19% | −$3.2M | ||
| Oct 14, 202620:00 | Oct 12, 2026 | SNEX | Chief Risk Officer | M · Exercise10b5-1 | $8.90 | +69,372 | 272,616 | +34% | $617K | ||
| Oct 13, 202619:06 | Oct 12, 2026 | SNEX | Executive Vice-Chairman-Board, Director | S · Sell10b5-1 | $60.35 | −76,148 | 1,831,799 | -4% | −$4.6M | ||
| Oct 13, 202619:06 | Oct 12, 2026 | SNEX | Executive Vice-Chairman-Board, Director | M · Exercise10b5-1 | $8.90 | +157,500 | 1,907,947 | +9% | $1.4M | ||
| Sep 29, 202621:38 | Sep 28, 2026 | SNEX | Chief Executive Officer, Director | S · Sell10b5-1 | $65.69 | −56,250 | 738,216 | -7% | −$3.7M | ||
| Sep 29, 202621:38 | Sep 28, 2026 | SNEX | Chief Executive Officer, Director | M · Exercise10b5-1 | $8.90 | +56,250 | 794,466 | +8% | $501K | ||
| Sep 16, 202618:01 | Sep 16, 2026from Sep 14, 2026 | SNEX | Chief Governance/Legal Officer | S · Sell10b5-1 | $68.15 | −50,625 | 34,870 | -59% | −$3.5M | ||
| Sep 16, 202618:01 | Sep 14, 2026 | SNEX | Chief Governance/Legal Officer | M · Exercise10b5-1 | $12.26 | +50,625 | 85,495 | +145% | $621K | ||
| Sep 16, 202616:09 | Sep 14, 2026 | SNEX | Chief Information Officer | S · Sell10b5-1 | $68.83 | −8,924 | 87,739 | -9% | −$614K | ||
| Sep 15, 202621:41 | Sep 15, 2026from Sep 14, 2026 | SNEX | Chief Risk Officer | S · Sell10b5-1 | $67.94 | −103,092 | 203,244 | -34% | −$7.0M | ||
| Sep 15, 202621:41 | Sep 14, 2026 | SNEX | Chief Risk Officer | M · Exercise10b5-1 | $8.90 | +69,372 | 306,336 | +29% | $617K | ||
| Sep 11, 202607:59 | Sep 10, 2026 | SNEX | President | G · Gift | — | −500 | 324,242 | -0% | — | ||
| Aug 17, 202620:28 | Aug 14, 2026 | SNEX | Chief Financial Officer | S · Sell10b5-1 | $66.35 | −96,490 | 502,203 | -16% | −$6.4M | ||
| Aug 17, 202620:28 | Aug 14, 2026 | SNEX | Chief Financial Officer | M · Exercise10b5-1 | $8.90 | +126,562 | 598,693 | +27% | $1.1M | ||
| Aug 11, 202619:59 | Aug 10, 2026 | SNEX | Chief Information Officer | S · Sell10b5-1 | $64.81 | −4,500 | 96,663 | -4% | −$292K | ||
| Aug 11, 202619:59 | Aug 10, 2026 | SNEX | Chief Information Officer | M · Exercise10b5-1 | $12.26 | +4,500 | 101,163 | +5% | $55K | ||
| Aug 11, 202616:28 | Aug 10, 2026 | SNEX | Director | P · Buy | $64.48 | +2,500 | 75,760 | +3% | +$161K | -30.4% | -13.1% |
| Aug 11, 202616:19 | Aug 7, 2026 | SNEX | Chief Risk Officer | S · Sell10b5-1 | $66.25 | −52,648 | 236,964 | -18% | −$3.5M | ||
| Aug 11, 202616:19 | Aug 7, 2026 | SNEX | Chief Risk Officer | M · Exercise10b5-1 | $8.90 | +69,372 | 289,612 | +31% | $617K | ||
| Aug 6, 202616:45 | Aug 5, 2026 | SNEX | Director | S · Sell10b5-1 | $75.41 | −1,575 | 255,271 | -1% | −$119K | ||
| Aug 5, 202606:06 | Jul 31, 2026 | SNEX | Director | A · GrantLate 5d | — | +116 | 56,102 | +0% | — | ||
| Aug 5, 202606:06 | Jul 31, 2026 | SNEX | Chairman of the Board, Director | A · GrantLate 5d | — | +219 | 231,850 | +0% | — | ||
| Aug 3, 202620:06 | Jul 31, 2026 | SNEX | Director | A · Grant | — | +142 | 5,648 | +3% | — | ||
| Aug 3, 202620:05 | Jul 31, 2026 | SNEX | Director | F · Tax | $77.62 | −230 | 256,813 | -0% | $18K | ||
| Aug 3, 202620:05 | Jul 31, 2026 | SNEX | Director | A · Grant | — | +174 | 257,043 | +0% | — | ||
| Aug 3, 202620:04 | Jul 31, 2026 | SNEX | Director | A · Grant | — | +174 | 80,073 | +0% | — |