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United States Investment Banking & Investment Services

StoneX Group Inc (SNEX)

Track

Over the last 90 days, StoneX Group Inc. has seen significant insider selling, with a net value of over $84 million. Executives contributed substantially to this net sell-off. Notable transactions include large sales by Sean O'Connor and William Dunaway. The stock has experienced strong performance, up over 90% in 90 days.
Stock chart
Ticker: SNEX Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Maurer Mark Lowry
1 sale — total 100,000 USD
Sale 16 Jun 2026
Value US$3,571,210.55 | Price 231.09 | Shares 51,084
Proposed sale 16 Jun 2026
Value US$4,812,360.82 | Price 59.12 | Shares 33,328
Planned sale 15 Jun 2026
Value US$100,000.00 | Price 135.31 | Shares 1,000
Sale 15 Jun 2026
Value US$100,000.00 | Price 135.42 | Shares 1,000
Sale 15 Jun 2026
Value US$100,000.00 | Price 133.36 | Shares 1,000
Proposed sale 15 Jun 2026
Value US$100,000.00 | Price 133.36 | Shares 1,000
Proposed sale 15 Jun 2026
Value US$100,000.00 | Price 135.27 | Shares 1,000
Proposed sale 15 Jun 2026
Value US$100,000.00 | Price 135.39 | Shares 1,000
Sale 12 Jun 2026
Value US$100,000.00 | Price 131.96 | Shares 1,000
Sale 12 Jun 2026
Value US$100,000.00 | Price 131.15 | Shares 1,000
Sale 12 Jun 2026
Value US$100,000.00 | Price 131.16 | Shares 1,000
Proposed sale 12 Jun 2026
Value US$100,000.00 | Price 131.13 | Shares 1,000
Proposed sale 12 Jun 2026
Value US$100,000.00 | Price 131.12 | Shares 1,000
Sale 8 Jun 2026
Value US$100,000.00 | Price 118.51 | Shares 1,000
Sale 22 May 2026
Value US$1,279,374.21 | Price 112.25 | Shares 11,398
Sale 22 May 2026
Value US$962,094.22 | Price 112.72 | Shares 8,535
Proposed sale 22 May 2026
Value US$1,279,005.00 | Price 112.21 | Shares 11,398
Proposed sale 22 May 2026
Value US$961,818.00 | Price 112.69 | Shares 8,535
Sale 20 May 2026
Value US$1,544,719.80 | Price 112.79 | Shares 13,696
Proposed sale 20 May 2026
Value US$1,544,275.00 | Price 112.75 | Shares 13,696
Sale 19 May 2026
Value US$7,930,999.46 | Price 109.94 | Shares 72,140
Sale 18 May 2026
Value US$2,235,692.11 | Price 111.48 | Shares 20,054
Sale 18 May 2026
Value US$9,785,354.33 | Price 111.46 | Shares 87,790
Proposed sale 18 May 2026
Value US$2,235,045.00 | Price 111.45 | Shares 20,054
Sale 15 May 2026
Value US$15,450,449.36 | Price 110.31 | Shares 140,070
Sale 15 May 2026
Value US$7,071,208.99 | Price 110.46 | Shares 64,017
Sale 15 May 2026
Value US$169,230.00 | Price 112.82 | Shares 1,500
Proposed sale 15 May 2026
Value US$169,230.00 | Price 112.82 | Shares 1,500
Proposed sale 15 May 2026
Value US$7,067,525.00 | Price 110.40 | Shares 64,017
Proposed sale 15 May 2026
Value US$33,300,000.00 | Price 111.00 | Shares 300,000
Sale 14 May 2026
Value US$4,054,248.40 | Price 116.29 | Shares 34,862
Proposed sale 14 May 2026
Value US$4,043,992.00 | Price 116.00 | Shares 34,862
Sale 11 May 2026
Value US$429,271.50 | Price 122.65 | Shares 3,500
Sale 11 May 2026
Value US$308,248.75 | Price 123.30 | Shares 2,500
Sale 11 May 2026
Value US$246,518.80 | Price 123.26 | Shares 2,000
Proposed sale 11 May 2026
Value US$308,167.00 | Price 123.27 | Shares 2,500
Proposed sale 11 May 2026
Value US$246,453.00 | Price 123.23 | Shares 2,000
Sale 5 May 2026
Value US$111,562.50 | Price 106.25 | Shares 1,050
Proposed sale 5 May 2026
Value US$111,562.50 | Price 106.25 | Shares 1,050
Sale 15 Apr 2026
Value US$152,865.00 | Price 101.91 | Shares 1,500
Proposed sale 15 Apr 2026
Value US$50,965.00 | Price 101.93 | Shares 500
Proposed sale 15 Apr 2026
Value US$101,900.00 | Price 101.90 | Shares 1,000
Sale 10 Apr 2026
Value US$2,766,906.00 | Price 92.23 | Shares 30,000
Proposed sale 10 Apr 2026
Value US$2,766,906.00 | Price 92.23 | Shares 30,000
Sale 13 Mar 2026
Value US$106,540.00 | Price 106.54 | Shares 1,000
Proposed sale 13 Mar 2026
Value US$106,540.00 | Price 106.54 | Shares 1,000
Sale 13 Feb 2026
Value US$1,013,728.80 | Price 126.72 | Shares 8,000
Sale 10 Feb 2026
Value US$4,982,460.00 | Price 124.56 | Shares 40,000
Proposed sale 10 Feb 2026
Value US$4,949,320.00 | Price 123.73 | Shares 40,000
Sale 9 Feb 2026
Value US$4,997,900.00 | Price 124.95 | Shares 40,000
Sale 9 Feb 2026
Value US$4,995,120.00 | Price 124.88 | Shares 40,000
Sale 9 Feb 2026
Value US$3,743,271.00 | Price 124.78 | Shares 30,000
Proposed sale 9 Feb 2026
Value US$3,742,369.00 | Price 124.75 | Shares 30,000
Proposed sale 9 Feb 2026
Value US$4,993,919.00 | Price 124.85 | Shares 40,000
Proposed sale 9 Feb 2026
Value US$4,996,698.00 | Price 124.92 | Shares 40,000
Sale 2 Feb 2026
Value US$126,787.50 | Price 112.70 | Shares 1,125
Proposed sale 2 Feb 2026
Value US$126,787.50 | Price 112.70 | Shares 1,125
Sale 19 Dec 2025
Value US$191,730.56 | Price 94.50 | Shares 2,029
Sale 18 Dec 2025
Value US$235,096.78 | Price 94.91 | Shares 2,477
Sale 17 Dec 2025
Value US$129,643.63 | Price 96.17 | Shares 1,348
Proposed sale 17 Dec 2025
Value US$570,882.00 | Price 97.52 | Shares 5,854
Buy 16 Dec 2025
Value US$97,250.00 | Price 97.25 | Shares 1,000
Sale 3 Nov 2025
Value US$102,600.00 | Price 91.20 | Shares 1,125
Proposed sale 3 Nov 2025
Value US$102,600.00 | Price 91.20 | Shares 1,125
Proposed sale 20 Aug 2025
Value US$193,000.00 | Price 96.50 | Shares 2,000
Sale 20 Aug 2025
Value US$193,000.00 | Price 96.50 | Shares 2,000
Sale 19 Aug 2025
Value US$285,000.00 | Price 95.00 | Shares 3,000
Proposed sale 19 Aug 2025
Value US$284,700.00 | Price 94.90 | Shares 3,000
Sale 1 Aug 2025
Value US$108,000.00 | Price 96.00 | Shares 1,125
Proposed sale 1 Aug 2025
Value US$108,000.00 | Price 96.00 | Shares 1,125
Sale 16 Jun 2025
Value US$902,732.82 | Price 86.22 | Shares 10,470
Sale 13 Jun 2025
Value US$851,942.07 | Price 84.25 | Shares 10,112
Sale 12 Jun 2025
Value US$1,368,993.24 | Price 85.04 | Shares 16,098
Buy 12 Jun 2025
Value US$119,000.00 | Price 85.00 | Shares 1,400
Sale 10 Jun 2025
Value US$627,600.00 | Price 83.68 | Shares 7,500
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-17 2026-06-16 S Sale
2.5
Maurer Mark Lowry
51,084 -40.8%
231.09
US$3,571,211 		51,084 -40.8% 231.09 US$3,571,211
2026-06-16 2026-06-16 PrS Proposed sale
2.5
Mark Maurer

Officer

Officer
33,328
59.12
US$4,812,361 		33,328 59.12 US$4,812,361
2026-06-17 2026-06-15 PlS Planned sale
2.5
Maurer Mark Lowry
25,021 -4.6%
30.92
US$2,977,820 		25,021 -4.6% 30.92 US$2,977,820
2026-06-16 2026-06-15 S Sale
2.6
OCONNOR SEAN MICHAEL

Executive Vice-Chairman-Board

Executive Director
1,000 -6.5%
135.42
US$100,000 		1,000 -6.5% 135.42 US$100,000
2026-06-16 2026-06-15 S Sale
BEXIGA ANNABELLE G
Non-Executive Director
1,000 -6.9%
133.36
US$100,000 		1,000 -6.9% 133.36 US$100,000
2026-06-15 2026-06-15 PrS Proposed sale
2.5
Mark Maurer

Officer

Officer
1,000
135.27
US$100,000 		1,000 135.27 US$100,000
2026-06-15 2026-06-15 PrS Proposed sale
2.6
Sean O'Connor

Officer

Officer
1,000
135.39
US$100,000 		1,000 135.39 US$100,000
2026-06-15 2026-06-15 PrS Proposed sale
BEXIGA ANNABELLE G

Director

Non-Executive Director
1,000
133.36
US$100,000 		1,000 133.36 US$100,000
2026-06-16 2026-06-12 S Sale
2.6
Lyon Charles M

President

Officer
1,000 -4.0%
131.96
US$100,000 		1,000 -4.0% 131.96 US$100,000
2026-06-16 2026-06-12 S Sale
2.6
OCONNOR SEAN MICHAEL

Executive Vice-Chairman-Board

Executive Director
1,000 -6.1%
131.15
US$100,000 		1,000 -6.1% 131.15 US$100,000
2026-06-15 2026-06-12 S Sale
2.7
Dunaway William J

Chief Financial Officer

Officer
1,000 -17.8%
131.16
US$100,000 		1,000 -17.8% 131.16 US$100,000
2026-06-12 2026-06-12 PrS Proposed sale
2.7
William Dunaway

Officer

Officer
1,000
131.13
US$100,000 		1,000 131.13 US$100,000
2026-06-12 2026-06-12 PrS Proposed sale
2.6
Sean O'Connor

Officer

Officer
1,000
131.12
US$100,000 		1,000 131.12 US$100,000
2026-06-09 2026-06-08 S Sale
2.5
Perkins Abigail H

Chief Information Officer

Officer
1,000 -5.6%
118.51
US$100,000 		1,000 -5.6% 118.51 US$100,000
2026-05-26 2026-05-22 S Sale
2.5
Maurer Mark Lowry
11,398 -7.8%
112.25
US$1,279,374 		11,398 -7.8% 112.25 US$1,279,374
2026-05-26 2026-05-22 S Sale
2.3
Smith Philip Andrew

Chief Executive Officer

Executive Director
8,535 -1.7%
112.72
US$962,094 		8,535 -1.7% 112.72 US$962,094
2026-05-22 2026-05-22 PrS Proposed sale
2.5
Mark Maurer

Officer

Officer
11,398
112.21
US$1,279,005 		11,398 112.21 US$1,279,005
2026-05-22 2026-05-22 PrS Proposed sale
2.3
Philip Smith

Officer

Officer
8,535
112.69
US$961,818 		8,535 112.69 US$961,818
2026-05-20 2026-05-20 S Sale
3.1
Rotsztain Diego

Chief Governance/Legal Officer

Officer
13,696 -37.1%
112.79
US$1,544,720 		13,696 -37.1% 112.79 US$1,544,720
2026-05-20 2026-05-20 PrS Proposed sale
3.1
Diego Rotsztain

Officer

Officer
13,696
112.75
US$1,544,275 		13,696 112.75 US$1,544,275
2026-05-19 2026-05-19 S Sale
2.6
OCONNOR SEAN MICHAEL

Executive Vice-Chairman-Board

Executive Director
72,140 -5.5%
109.94
US$7,930,999 		72,140 -5.5% 109.94 US$7,930,999
2026-05-20 2026-05-18 S Sale
3.1
Rotsztain Diego

Chief Governance/Legal Officer

Officer
20,054 -35.2%
111.48
US$2,235,692 		20,054 -35.2% 111.48 US$2,235,692
2026-05-19 2026-05-18 S Sale
2.6
OCONNOR SEAN MICHAEL

Executive Vice-Chairman-Board

Executive Director
87,790 -6.6%
111.46
US$9,785,354 		87,790 -6.6% 111.46 US$9,785,354
2026-05-18 2026-05-18 PrS Proposed sale
3.1
Diego Rotsztain

Officer

Officer
20,054
111.45
US$2,235,045 		20,054 111.45 US$2,235,045
2026-05-19 2026-05-15 S Sale
2.6
OCONNOR SEAN MICHAEL

Executive Vice-Chairman-Board

Executive Director
140,070 -10.2%
110.31
US$15,450,449 		140,070 -10.2% 110.31 US$15,450,449
2026-05-18 2026-05-15 S Sale
2.7
Dunaway William J

Chief Financial Officer

Officer
64,017 -19.0%
110.46
US$7,071,209 		64,017 -19.0% 110.46 US$7,071,209
2026-05-18 2026-05-15 S Sale
BEXIGA ANNABELLE G
Non-Executive Director
1,500 -6.5%
112.82
US$169,230 		1,500 -6.5% 112.82 US$169,230
2026-05-15 2026-05-15 PrS Proposed sale
2.7
William Dunaway

Officer

Officer
64,017
110.40
US$7,067,525 		64,017 110.40 US$7,067,525
2026-05-15 2026-05-15 PrS Proposed sale
2.6
Sean O'Connor

Officer

Officer
300,000
111.00
US$33,300,000 		300,000 111.00 US$33,300,000
2026-05-15 2026-05-15 PrS Proposed sale
BEXIGA ANNABELLE G

Director

Non-Executive Director
1,500
112.82
US$169,230 		1,500 112.82 US$169,230
2026-05-15 2026-05-14 S Sale
2.5
Maurer Mark Lowry
34,862 -19.2%
116.29
US$4,054,248 		34,862 -19.2% 116.29 US$4,054,248
2026-05-14 2026-05-14 PrS Proposed sale
2.5
Mark Maurer

Officer

Officer
34,862
116.00
US$4,043,992 		34,862 116.00 US$4,043,992
2026-05-13 2026-05-11 S Sale
2.8
Schroeder Aaron

Chief Accounting Officer

Officer
3,500 -6.4%
122.65
US$429,272 		3,500 -6.4% 122.65 US$429,272
2026-05-11 2026-05-11 S Sale
3.0
PARTHEMORE ERIC
Non-Executive Director
2,500 -5.4%
123.30
US$308,249 		2,500 -5.4% 123.30 US$308,249
2026-05-11 2026-05-11 S Sale
3.4
KASS STEVEN A
Non-Executive Director
2,000 -3.6%
123.26
US$246,519 		2,000 -3.6% 123.26 US$246,519
2026-05-11 2026-05-11 PrS Proposed sale
3.0
Eric Parthemore

Director

Non-Executive Director
2,500
123.27
US$308,167 		2,500 123.27 US$308,167
2026-05-11 2026-05-11 PrS Proposed sale
3.4
Steven Kass

Director

Non-Executive Director
2,000
123.23
US$246,453 		2,000 123.23 US$246,453
2026-05-05 2026-05-05 S Sale
2.7
FOWLER JOHN MOORE
Non-Executive Director
1,050 -0.6%
106.25
US$111,562 		1,050 -0.6% 106.25 US$111,562
2026-05-05 2026-05-05 PrS Proposed sale
2.7
John M Fowler

Director

Non-Executive Director
1,050
106.25
US$111,562 		1,050 106.25 US$111,562
2026-04-15 2026-04-15 S Sale
BEXIGA ANNABELLE G
Non-Executive Director
1,500 -6.1%
101.91
US$152,865 		1,500 -6.1% 101.91 US$152,865
2026-04-15 2026-04-15 PrS Proposed sale
BEXIGA ANNABELLE G

Director

Non-Executive Director
500
101.93
US$50,965 		500 101.93 US$50,965
2026-04-15 2026-04-15 PrS Proposed sale
BEXIGA ANNABELLE G

Director

Non-Executive Director
1,000
101.90
US$101,900 		1,000 101.90 US$101,900
2026-04-14 2026-04-10 S Sale
2.3
Smith Philip Andrew

Chief Executive Officer

Executive Director
30,000 -5.5%
92.23
US$2,766,906 		30,000 -5.5% 92.23 US$2,766,906
2026-04-10 2026-04-10 PrS Proposed sale
2.3
Philip Smith

Officer

Officer
30,000
92.23
US$2,766,906 		30,000 92.23 US$2,766,906
2026-03-17 2026-03-13 S Sale
BEXIGA ANNABELLE G
Non-Executive Director
1,000 -5.7%
106.54
US$106,540 		1,000 -5.7% 106.54 US$106,540
2026-03-13 2026-03-13 PrS Proposed sale
BEXIGA ANNABELLE G

Director

Non-Executive Director
1,000
106.54
US$106,540 		1,000 106.54 US$106,540
2026-02-18 2026-02-13 S Sale
2.5
Perkins Abigail H

Chief Information Officer

Officer
8,000 -14.2%
126.72
US$1,013,729 		8,000 -14.2% 126.72 US$1,013,729
2026-02-11 2026-02-10 S Sale
2.6
OCONNOR SEAN MICHAEL

Executive Vice-Chairman-Board

Executive Director
40,000 -4.5%
124.56
US$4,982,460 		40,000 -4.5% 124.56 US$4,982,460
2026-02-10 2026-02-10 PrS Proposed sale
2.6
Sean O'Connor

Officer

Officer
40,000
123.73
US$4,949,320 		40,000 123.73 US$4,949,320
2026-02-11 2026-02-09 S Sale
2.6
OCONNOR SEAN MICHAEL

Executive Vice-Chairman-Board

Executive Director
40,000 -4.5%
124.95
US$4,997,900 		40,000 -4.5% 124.95 US$4,997,900
2026-02-11 2026-02-09 S Sale
2.5
Maurer Mark Lowry
40,000 -30.7%
124.88
US$4,995,120 		40,000 -30.7% 124.88 US$4,995,120
2026-02-10 2026-02-09 S Sale
2.6
Lyon Charles M

President

Officer
30,000 -16.6%
124.78
US$3,743,271 		30,000 -16.6% 124.78 US$3,743,271
2026-02-09 2026-02-09 PrS Proposed sale
2.6
Charles Lyon

Officer

Officer
30,000
124.75
US$3,742,369 		30,000 124.75 US$3,742,369
2026-02-09 2026-02-09 PrS Proposed sale
2.5
Mark Maurer

Officer

Officer
40,000
124.85
US$4,993,919 		40,000 124.85 US$4,993,919
2026-02-09 2026-02-09 PrS Proposed sale
2.6
Sean O'Connor

Officer

Officer
40,000
124.92
US$4,996,698 		40,000 124.92 US$4,996,698
2026-02-04 2026-02-02 S Sale
2.7
FOWLER JOHN MOORE
Non-Executive Director
1,125 -1.0%
112.70
US$126,788 		1,125 -1.0% 112.70 US$126,788
2026-02-02 2026-02-02 PrS Proposed sale
2.7
John Fowler

Director

Non-Executive Director
1,125
112.70
US$126,788 		1,125 112.70 US$126,788
2025-12-22 2025-12-19 S Sale
3.1
Rotsztain Diego

Chief Governance/Legal Officer

Officer
2,029 -11.6%
94.50
US$191,731 		2,029 -11.6% 94.50 US$191,731
2025-12-19 2025-12-18 S Sale
3.1
Rotsztain Diego

Chief Governance/Legal Officer

Officer
2,477 -12.4%
94.91
US$235,097 		2,477 -12.4% 94.91 US$235,097
2025-12-19 2025-12-17 S Sale
3.1
Rotsztain Diego

Chief Governance/Legal Officer

Officer
1,348 -6.3%
96.17
US$129,644 		1,348 -6.3% 96.17 US$129,644
2025-12-17 2025-12-17 PrS Proposed sale
3.1
Diego A Rotsztain

Officer

Officer
5,854
97.52
US$570,882 		5,854 97.52 US$570,882
2025-12-18 2025-12-16 B Purchase
2.1
RADZIWILL JOHN

Chairman of the Board

Executive Director
1,000 +1.0%
97.25
US$97,250 		1,000 +1.0% 97.25 US$97,250
2025-11-05 2025-11-03 S Sale
2.7
FOWLER JOHN MOORE
Non-Executive Director
1,125 -1.0%
91.20
US$102,600 		1,125 -1.0% 91.20 US$102,600
2025-11-03 2025-11-03 PrS Proposed sale
2.7
John Fowler

Director

Non-Executive Director
1,125
91.20
US$102,600 		1,125 91.20 US$102,600
2025-08-20 2025-08-20 PrS Proposed sale
2.6
OCONNOR SEAN MICHAEL

Officer

Officer
2,000
96.50
US$193,000 		2,000 96.50 US$193,000
2025-08-20 2025-08-20 S Sale
2.6
OCONNOR SEAN MICHAEL

Executive Vice-Chairman-Board

Executive Director
2,000 -1.5%
96.50
US$193,000 		2,000 -1.5% 96.50 US$193,000
2025-08-20 2025-08-19 S Sale
2.6
OCONNOR SEAN MICHAEL

Executive Vice-Chairman-Board

Executive Director
3,000 -2.2%
95.00
US$285,000 		3,000 -2.2% 95.00 US$285,000
2025-08-19 2025-08-19 PrS Proposed sale
2.6
OCONNOR SEAN MICHAEL

Officer

Officer
3,000
94.90
US$284,700 		3,000 94.90 US$284,700
2025-08-05 2025-08-01 S Sale
2.7
FOWLER JOHN MOORE
Non-Executive Director
1,125 -1.0%
96.00
US$108,000 		1,125 -1.0% 96.00 US$108,000
2025-08-01 2025-08-01 PrS Proposed sale
2.7
FOWLER JOHN MOORE

Director

Non-Executive Director
1,125
96.00
US$108,000 		1,125 96.00 US$108,000
2025-06-18 2025-06-16 S Sale
2.5
Perkins Abigail H

Chief Information Officer

Officer
10,470 -19.3%
86.22
US$902,733 		10,470 -19.3% 86.22 US$902,733
2025-06-16 2025-06-13 S Sale
2.5
Perkins Abigail H

Chief Information Officer

Officer
10,112 -21.2%
84.25
US$851,942 		10,112 -21.2% 84.25 US$851,942
2025-06-16 2025-06-12 S Sale
2.5
Perkins Abigail H

Chief Information Officer

Officer
16,098 -34.1%
85.04
US$1,368,993 		16,098 -34.1% 85.04 US$1,368,993
2025-06-13 2025-06-12 B Purchase
2.1
RADZIWILL JOHN

Chairman of the Board

Executive Director
1,400 +1.4%
85.00
US$119,000 		1,400 +1.4% 85.00 US$119,000
2025-06-11 2025-06-10 S Sale
2.3
Smith Philip Andrew

Chief Executive Officer

Officer
7,500 -2.2%
83.68
US$627,600 		7,500 -2.2% 83.68 US$627,600
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