Sean Michael Oconnor
CIK: 0001208362
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
StoneX Group Inc.
Discretionary Trading P&L
Holdings
Transaction History (30 total)
- Oct 12, 2026SNEX
StoneX Group Inc.
Exercise(M)Direct157.5K shares at avg. $8.90$1.4M - Oct 12, 2026SNEX
StoneX Group Inc.
Sale(S)Direct76.1K shares at avg. $60.35$4.6M - Jul 22, 2026SNEX
StoneX Group Inc.
Sale(S)Direct104.9K shares at avg. $74.33$7.8M - Jul 22, 2026SNEX
StoneX Group Inc.
Exercise(M)Direct225K shares at avg. $8.90$2.0M - Jun 15, 2026SNEX
StoneX Group Inc.
Sale(S)Direct75K shares at avg. $135.42$10.2M - Jun 12, 2026SNEX
StoneX Group Inc.
Sale(S)Direct75K shares at avg. $131.15$9.8M - May 19, 2026SNEX
StoneX Group Inc.
Sale(S)Direct72.1K shares at avg. $109.94$7.9M - May 19, 2026SNEX
StoneX Group Inc.
Exercise(M)Direct72.1K shares at avg. $13.34$962K - May 18, 2026SNEX
StoneX Group Inc.
Sale(S)Direct87.8K shares at avg. $111.46$9.8M - May 18, 2026SNEX
StoneX Group Inc.
Exercise(M)Direct87.8K shares at avg. $13.34$1.2M - May 15, 2026SNEX
StoneX Group Inc.
Sale(S)Direct140.1K shares at avg. $110.31$15.5M - May 15, 2026SNEX
StoneX Group Inc.
Exercise(M)Direct140.1K shares at avg. $13.34$1.9M - Mar 31, 2026SNEX
StoneX Group Inc.
Tax Payment(F)Direct44.3K shares at avg. $77.95$3.5M - Feb 10, 2026SNEX
StoneX Group Inc.
Exercise(M)Direct40K shares at avg. $20.00$800K - Feb 10, 2026SNEX
StoneX Group Inc.
Sale(S)Direct40K shares at avg. $124.56$5.0M - Feb 9, 2026SNEX
StoneX Group Inc.
Exercise(M)Direct40K shares at avg. $20.00$800K - Feb 9, 2026SNEX
StoneX Group Inc.
Sale(S)Direct40K shares at avg. $124.95$5.0M - Dec 16, 2025SNEX
StoneX Group Inc.
Gift(G)Direct15K shares- - Dec 15, 2025SNEX
StoneX Group Inc.
Gift(G)Direct540 shares- - Aug 20, 2025SNEX
StoneX Group Inc.
Sale(S)Indirect2K shares at avg. $96.50$193K - Aug 19, 2025SNEX
StoneX Group Inc.
Sale(S)Indirect3K shares at avg. $95.00$285K - May 1, 2025SNEX
StoneX Group Inc.
Sale(S)Direct3.4K shares at avg. $90.57$309K - Apr 29, 2025SNEX
StoneX Group Inc.
Sale(S)Direct34.1K shares at avg. $89.63$3.1M - Mar 31, 2025SNEX
StoneX Group Inc.
Award(A)Direct300K shares- - Dec 13, 2024SNEX
StoneX Group Inc.
Award(A)Direct13.2K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 12, 2026 | SNEX StoneX Group Inc. | Exercise(M) | 157,500 | $8.90 | $1,401,750 | Direct |
| Oct 12, 2026 | SNEX StoneX Group Inc. | Sale(S) | 76,148 | $60.35 | $4,595,852 | Direct |
| Jul 22, 2026 | SNEX StoneX Group Inc. | Sale(S) | 104,934 | $74.33 | $7,799,776 | Direct |
| Jul 22, 2026 | SNEX StoneX Group Inc. | Exercise(M) | 225,000 | $8.90 | $2,002,500 | Direct |
| Jun 15, 2026 | SNEX StoneX Group Inc. | Sale(S) | 75,000 | $135.42 | $10,156,770 | Direct |
| Jun 12, 2026 | SNEX StoneX Group Inc. | Sale(S) | 75,000 | $131.15 | $9,836,280 | Direct |
| May 19, 2026 | SNEX StoneX Group Inc. | Sale(S) | 72,140 | $109.94 | $7,930,999 | Direct |
| May 19, 2026 | SNEX StoneX Group Inc. | Exercise(M) | 72,140 | $13.34 | $962,348 | Direct |
| May 18, 2026 | SNEX StoneX Group Inc. | Sale(S) | 87,790 | $111.46 | $9,785,354 | Direct |
| May 18, 2026 | SNEX StoneX Group Inc. | Exercise(M) | 87,790 | $13.34 | $1,171,119 | Direct |
| May 15, 2026 | SNEX StoneX Group Inc. | Sale(S) | 140,070 | $110.31 | $15,450,449 | Direct |
| May 15, 2026 | SNEX StoneX Group Inc. | Exercise(M) | 140,070 | $13.34 | $1,868,534 | Direct |
| Mar 31, 2026 | SNEX StoneX Group Inc. | Tax Payment(F) | 44,269 | $77.95 | $3,450,769 | Direct |
| Feb 10, 2026 | SNEX StoneX Group Inc. | Exercise(M) | 40,000 | $20.00 | $800,000 | Direct |
| Feb 10, 2026 | SNEX StoneX Group Inc. | Sale(S) | 40,000 | $124.56 | $4,982,460 | Direct |
| Feb 9, 2026 | SNEX StoneX Group Inc. | Exercise(M) | 40,000 | $20.00 | $800,000 | Direct |
| Feb 9, 2026 | SNEX StoneX Group Inc. | Sale(S) | 40,000 | $124.95 | $4,997,900 | Direct |
| Dec 16, 2025 | SNEX StoneX Group Inc. | Gift(G) | 15,000 | - | - | Direct |
| Dec 15, 2025 | SNEX StoneX Group Inc. | Gift(G) | 540 | - | - | Direct |
| Aug 20, 2025 | SNEX StoneX Group Inc. | Sale(S) | 2,000 | $96.50 | $193,000 | Indirect |
| Aug 19, 2025 | SNEX StoneX Group Inc. | Sale(S) | 3,000 | $95.00 | $285,000 | Indirect |
| May 1, 2025 | SNEX StoneX Group Inc. | Sale(S) | 3,417 | $90.57 | $309,478 | Direct |
| Apr 29, 2025 | SNEX StoneX Group Inc. | Sale(S) | 34,083 | $89.63 | $3,054,846 | Direct |
| Mar 31, 2025 | SNEX StoneX Group Inc. | Award(A) | 300,000 | - | - | Direct |
| Dec 13, 2024 | SNEX StoneX Group Inc. | Award(A) | 13,234 | - | $0 | Direct |
1-25 of 30 transactions
About OCONNOR SEAN MICHAEL
OCONNOR SEAN MICHAEL (SEC CIK 0001208362) files insider reports with the SEC as Executive Vice-Chairman-Board of StoneX Group Inc. (SNEX).
Signal8 holds 14 ownership filings by OCONNOR SEAN MICHAEL, all Form 4s, filed between Nov 8, 2024 and Oct 13, 2026. Those filings report 30 transactions, from Nov 6, 2024 to Oct 12, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on OCONNOR SEAN MICHAEL's filings is in NEW YORK, NY.
Recent filings by OCONNOR SEAN MICHAEL
- Oct 12, 2026: Option exercise of SNEX shares (Form 4, code M).
- Oct 12, 2026: Open-market sale of SNEX shares (Form 4, code S).
- Jul 22, 2026: Open-market sale of SNEX shares (Form 4, code S).
- Jul 22, 2026: Option exercise of SNEX shares (Form 4, code M).
- Jun 15, 2026: Open-market sale of SNEX shares (Form 4, code S).
Other insiders filing for StoneX Group Inc. (SNEX)
- FOWLER JOHN MOORE, Director
- DiCiollo Anthony J, Head of Institutional Segment
- KASS STEVEN A, Director
- RADZIWILL JOHN, Chairman of the Board
- Thamodaran Dhamu R., Director
- Cooper Diane L., Director