OCONNOR SEAN MICHAEL (CIK 1208362) reported 20 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-16). Recent activity: Sell SNEX (75,000 shares), Sell SNEX (75,000 shares), Buy SNEX (140,070 shares), Sell SNEX (140,070 shares), Buy SNEX (87,790 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-16 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Sell | 75,000 | $9.8M |
| 2026-06-16 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Sell | 75,000 | $10.2M |
| 2026-05-19 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Buy | 140,070 | $1.9M |
| 2026-05-19 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Sell | 140,070 | $15.5M |
| 2026-05-19 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Buy | 87,790 | $1.2M |
| 2026-05-19 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Sell | 87,790 | $9.8M |
| 2026-05-19 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Buy | 72,140 | $962,348 |
| 2026-05-19 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Sell | 72,140 | $7.9M |
| 2026-04-02 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Sell | 44,269 | $3.5M |
| 2026-02-11 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Buy | 40,000 | $800,000 |
| 2026-02-11 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Sell | 40,000 | $5.0M |
| 2026-02-11 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Buy | 40,000 | $800,000 |
| 2026-02-11 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Sell | 40,000 | $5.0M |
| 2025-12-17 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Sell | 540 | $0 |
| 2025-12-17 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Sell | 15,000 | $0 |
| 2025-08-20 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Sell | 3,000 | $285,000 |
| 2025-08-20 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Sell | 2,000 | $193,000 |
| 2025-05-01 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Sell | 34,083 | $3.1M |
| 2025-05-01 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Sell | 3,417 | $309,478 |
| 2025-04-02 | StoneX Group Inc. (SNEX) | Executive Vice-Chairman-Board | Buy | 300,000 | $0 |
Source: SEC Form 4 filings · as of 2026-06-16