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Interactive Brokers Group Inc (IBKR)

Over the last 90 days, Interactive Brokers Group Inc. saw significant insider selling, with a net value of -$1,994,327. The majority of this activity involved large sell transactions by Earl H. Nemser. Conversely, Lori A. Conkling made several smaller buy transactions during the same period. The stock has performed strongly, up 45.4% in 90 days.
Stock chart
Ticker: IBKR Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Conkling Lori A
1 purchase — total 100,000 USD
Buy 1 Jun 2026
Value US$1,019,945.08 | Price 338.37 | Shares 67,546
Buy 1 May 2026
Value US$151,104.04 | Price 52.67 | Shares 82,211
Sale 28 Apr 2026
Value US$2,000,180.00 | Price 76.93 | Shares 26,000
Proposed sale 28 Apr 2026
Value US$2,017,340.00 | Price 77.59 | Shares 26,000
Buy 1 Apr 2026
Value US$1,709.50 | Price 68.38 | Shares 25
Buy 2 Mar 2026
Value US$1,730.25 | Price 69.21 | Shares 25
Buy 25 Feb 2026
Value US$3,660.50 | Price 73.21 | Shares 50
Sale 27 Jan 2026
Value US$1,550,526.75 | Price 75.75 | Shares 20,469
Sale 27 Jan 2026
Value US$2,982,606.17 | Price 75.07 | Shares 39,731
Sale 26 Jan 2026
Value US$241,815.98 | Price 77.98 | Shares 3,101
Sale 26 Jan 2026
Value US$2,364,280.24 | Price 76.72 | Shares 30,817
Sale 26 Jan 2026
Value US$4,616,682.06 | Price 75.83 | Shares 60,882
Sale 23 Jan 2026
Value US$4,693,479.10 | Price 78.14 | Shares 60,065
Sale 23 Jan 2026
Value US$6,595,202.75 | Price 77.65 | Shares 84,935
Sale 22 Jan 2026
Value US$7,681,000.00 | Price 76.81 | Shares 100,000
Proposed sale 22 Jan 2026
Value US$30,320,000.00 | Price 75.80 | Shares 400,000
Buy 7 Nov 2025
Value US$19,999.40 | Price 1.00 | Shares 19,999
Sale 29 Oct 2025
Value US$734,505.00 | Price 69.00 | Shares 10,645
Sale 28 Oct 2025
Value US$474,023.25 | Price 69.15 | Shares 6,855
Sale 27 Oct 2025
Value US$522,975.00 | Price 69.73 | Shares 7,500
Sale 24 Oct 2025
Value US$548,000.00 | Price 68.50 | Shares 8,000
Sale 23 Oct 2025
Value US$1,487,860.00 | Price 67.63 | Shares 22,000
Proposed sale 23 Oct 2025
Value US$4,857,750.00 | Price 64.77 | Shares 75,000
Buy 23 Oct 2025
Value US$26,380.00 | Price 65.95 | Shares 400
Sale 30 Sep 2025
Value US$80,850.00 | Price 70.00 | Shares 1,155
Sale 30 Sep 2025
Value US$137,144.70 | Price 69.30 | Shares 1,979
Sale 29 Sep 2025
Value US$138,842.70 | Price 68.70 | Shares 2,021
Sale 29 Sep 2025
Value US$600,229.84 | Price 68.27 | Shares 8,792
Sale 29 Sep 2025
Value US$497,924.24 | Price 67.16 | Shares 7,414
Sale 26 Sep 2025
Value US$104,583.15 | Price 66.15 | Shares 1,581
Sale 26 Sep 2025
Value US$1,017,457.98 | Price 65.74 | Shares 15,477
Sale 25 Sep 2025
Value US$276,927.12 | Price 65.19 | Shares 4,248
Sale 25 Sep 2025
Value US$574,162.16 | Price 64.76 | Shares 8,866
Sale 25 Sep 2025
Value US$75,423.42 | Price 63.81 | Shares 1,182
Sale 24 Sep 2025
Value US$60,755.58 | Price 65.54 | Shares 927
Sale 24 Sep 2025
Value US$871,928.64 | Price 64.76 | Shares 13,464
Sale 23 Sep 2025
Value US$838,141.02 | Price 65.49 | Shares 12,798
Sale 23 Sep 2025
Value US$404,132.30 | Price 64.90 | Shares 6,227
Sale 22 Sep 2025
Value US$36,375.43 | Price 64.61 | Shares 563
Sale 22 Sep 2025
Value US$936,017.66 | Price 63.94 | Shares 14,639
Sale 19 Sep 2025
Value US$9,126.60 | Price 65.19 | Shares 140
Sale 19 Sep 2025
Value US$3,266,229.33 | Price 64.61 | Shares 50,553
Sale 18 Sep 2025
Value US$4,619,785.95 | Price 65.05 | Shares 71,019
Sale 18 Sep 2025
Value US$2,441,082.00 | Price 64.40 | Shares 37,905
Sale 18 Sep 2025
Value US$503,443.91 | Price 63.43 | Shares 7,937
Sale 17 Sep 2025
Value US$2,794,542.96 | Price 62.48 | Shares 44,727
Sale 17 Sep 2025
Value US$3,834,935.64 | Price 62.06 | Shares 61,794
Sale 16 Sep 2025
Value US$36,757.94 | Price 62.62 | Shares 587
Sale 16 Sep 2025
Value US$6,136,926.24 | Price 62.24 | Shares 98,601
Sale 15 Sep 2025
Value US$96,325.74 | Price 64.26 | Shares 1,499
Sale 15 Sep 2025
Value US$2,392,507.74 | Price 63.79 | Shares 37,506
Sale 15 Sep 2025
Value US$3,589,728.74 | Price 62.66 | Shares 57,289
Sale 12 Sep 2025
Value US$3,955,195.23 | Price 64.19 | Shares 61,617
Sale 12 Sep 2025
Value US$2,272,193.28 | Price 63.84 | Shares 35,592
Sale 11 Sep 2025
Value US$3,477,099.42 | Price 63.54 | Shares 54,723
Sale 11 Sep 2025
Value US$3,641,141.94 | Price 62.94 | Shares 57,851
Sale 10 Sep 2025
Value US$6,557,674.06 | Price 62.51 | Shares 104,906
Sale 9 Sep 2025
Value US$5,268,971.12 | Price 62.02 | Shares 84,956
Sale 9 Sep 2025
Value US$1,381,518.10 | Price 61.30 | Shares 22,537
Proposed sale 9 Sep 2025
Value US$61,110,000.00 | Price 61.11 | Shares 1,000,000
Sale 14 Aug 2025
Value US$1,317,858.62 | Price 64.22 | Shares 20,521
Sale 14 Aug 2025
Value US$2,131,582.94 | Price 63.86 | Shares 33,379
Sale 13 Aug 2025
Value US$13,440.00 | Price 67.20 | Shares 200
Sale 13 Aug 2025
Value US$160,248.00 | Price 66.77 | Shares 2,400
Sale 13 Aug 2025
Value US$13,218.00 | Price 66.09 | Shares 200
Sale 13 Aug 2025
Value US$12,838.00 | Price 64.19 | Shares 200
Sale 13 Aug 2025
Value US$293,250.00 | Price 63.75 | Shares 4,600
Sale 12 Aug 2025
Value US$2,788,917.68 | Price 67.88 | Shares 41,086
Sale 12 Aug 2025
Value US$10,310,670.00 | Price 67.39 | Shares 153,000
Sale 11 Aug 2025
Value US$848,661.69 | Price 66.09 | Shares 12,841
Sale 8 Aug 2025
Value US$174,147.54 | Price 65.94 | Shares 2,641
Sale 8 Aug 2025
Value US$669,120.00 | Price 65.60 | Shares 10,200
Sale 7 Aug 2025
Value US$28,378.35 | Price 64.35 | Shares 441
Sale 7 Aug 2025
Value US$792,856.00 | Price 63.94 | Shares 12,400
Sale 6 Aug 2025
Value US$12,832.00 | Price 64.16 | Shares 200
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
2026-06-02 2026-06-01 B Purchase Non-Executive Director
67,546 +0.7%
338.37
US$1,019,945
67,546 +0.7% 338.37 US$1,019,945
2026-05-04 2026-05-01 B Purchase Non-Executive Director
82,211 +19.0%
52.67
US$151,104
82,211 +19.0% 52.67 US$151,104
2026-04-29 2026-04-28 S Sale Non-Executive Director
62,724 +0.3%
120.30
US$4,969,690
62,724 +0.3% 120.30 US$4,969,690
2026-04-28 2026-04-28 PrS Proposed sale

Director

Non-Executive Director
26,000
77.59
US$2,017,340
26,000 77.59 US$2,017,340
2026-04-02 2026-04-01 B Purchase Non-Executive Director
25 +1.0%
68.38
US$1,710
25 +1.0% 68.38 US$1,710
2026-03-26 2026-03-02 B Purchase Non-Executive Director
25 +1.0%
69.21
US$1,730
25 +1.0% 69.21 US$1,730
2026-03-26 2026-02-25 B Purchase Non-Executive Director
50 +2.1%
73.21
US$3,660
50 +2.1% 73.21 US$3,660
2026-01-28 2026-01-27 S Sale

Vice Chairman

Executive Director
20,469 -100.0%
75.75
US$1,550,527
20,469 -100.0% 75.75 US$1,550,527
2026-01-28 2026-01-27 S Sale

Vice Chairman

Executive Director
39,731 -66.0%
75.07
US$2,982,606
39,731 -66.0% 75.07 US$2,982,606
2026-01-28 2026-01-26 S Sale

Vice Chairman

Executive Director
3,101 -4.9%
77.98
US$241,816
3,101 -4.9% 77.98 US$241,816
2026-01-28 2026-01-26 S Sale

Vice Chairman

Executive Director
30,817 -32.7%
76.72
US$2,364,280
30,817 -32.7% 76.72 US$2,364,280
2026-01-28 2026-01-26 S Sale

Vice Chairman

Executive Director
60,882 -39.3%
75.83
US$4,616,682
60,882 -39.3% 75.83 US$4,616,682
2026-01-26 2026-01-23 S Sale

Vice Chairman

Executive Director
60,065 -27.9%
78.14
US$4,693,479
60,065 -27.9% 78.14 US$4,693,479
2026-01-26 2026-01-23 S Sale

Vice Chairman

Executive Director
84,935 -28.3%
77.65
US$6,595,203
84,935 -28.3% 77.65 US$6,595,203
2026-01-26 2026-01-22 S Sale

Vice Chairman

Executive Director
100,000 -25.0%
76.81
US$7,681,000
100,000 -25.0% 76.81 US$7,681,000
2026-01-22 2026-01-22 PrS Proposed sale

Officer; Director

Executive Director
400,000
75.80
US$30,320,000
400,000 75.80 US$30,320,000
2025-11-14 2025-11-07 B Purchase Serhii Dobrohorskyi

Deputy Chief Executive Officer for Agribusiness

Officer
19,999
1.00
US$19,999
19,999 1.00 US$19,999
2025-10-31 2025-10-29 S Sale Non-Executive Director
10,645 -5.1%
69.00
US$734,505
10,645 -5.1% 69.00 US$734,505
2025-10-29 2025-10-28 S Sale Non-Executive Director
6,855 -3.2%
69.15
US$474,023
6,855 -3.2% 69.15 US$474,023
2025-10-29 2025-10-27 S Sale Non-Executive Director
7,500 -3.4%
69.73
US$522,975
7,500 -3.4% 69.73 US$522,975
2025-10-27 2025-10-24 S Sale Non-Executive Director
8,000 -3.5%
68.50
US$548,000
8,000 -3.5% 68.50 US$548,000
2025-10-27 2025-10-23 S Sale Non-Executive Director
22,000 -8.7%
67.63
US$1,487,860
22,000 -8.7% 67.63 US$1,487,860
2025-10-27 2025-10-23 B Purchase Non-Executive Director
400 +4.0%
65.95
US$26,380
400 +4.0% 65.95 US$26,380
2025-10-23 2025-10-23 PrS Proposed sale

Director

Non-Executive Director
75,000
64.77
US$4,857,750
75,000 64.77 US$4,857,750
2025-10-01 2025-09-30 S Sale

Chief Financial Officer

Executive Director
1,155 -14.3%
70.00
US$80,850
1,155 -14.3% 70.00 US$80,850
2025-10-01 2025-09-30 S Sale

Chief Financial Officer

Executive Director
1,979 -19.7%
69.30
US$137,145
1,979 -19.7% 69.30 US$137,145
2025-10-01 2025-09-29 S Sale

Chief Financial Officer

Executive Director
2,021 -16.7%
68.70
US$138,843
2,021 -16.7% 68.70 US$138,843
2025-10-01 2025-09-29 S Sale

Chief Financial Officer

Executive Director
8,792 -42.1%
68.27
US$600,230
8,792 -42.1% 68.27 US$600,230
2025-10-01 2025-09-29 S Sale

Chief Financial Officer

Executive Director
7,414 -26.2%
67.16
US$497,924
7,414 -26.2% 67.16 US$497,924
2025-09-29 2025-09-26 S Sale

Chief Financial Officer

Executive Director
1,581 -5.3%
66.15
US$104,583
1,581 -5.3% 66.15 US$104,583
2025-09-29 2025-09-26 S Sale

Chief Financial Officer

Executive Director
15,477 -34.1%
65.74
US$1,017,458
15,477 -34.1% 65.74 US$1,017,458
2025-09-29 2025-09-25 S Sale

Chief Financial Officer

Executive Director
4,248 -8.6%
65.19
US$276,927
4,248 -8.6% 65.19 US$276,927
2025-09-29 2025-09-25 S Sale

Chief Financial Officer

Executive Director
8,866 -15.2%
64.76
US$574,162
8,866 -15.2% 64.76 US$574,162
2025-09-29 2025-09-25 S Sale

Chief Financial Officer

Executive Director
1,182 -2.0%
63.81
US$75,423
1,182 -2.0% 63.81 US$75,423
2025-09-25 2025-09-24 S Sale

Chief Financial Officer

Executive Director
927 -1.5%
65.54
US$60,756
927 -1.5% 65.54 US$60,756
2025-09-25 2025-09-24 S Sale

Chief Financial Officer

Executive Director
13,464 -18.2%
64.76
US$871,929
13,464 -18.2% 64.76 US$871,929
2025-09-25 2025-09-23 S Sale

Chief Financial Officer

Executive Director
12,798 -14.7%
65.49
US$838,141
12,798 -14.7% 65.49 US$838,141
2025-09-25 2025-09-23 S Sale

Chief Financial Officer

Executive Director
6,227 -6.7%
64.90
US$404,132
6,227 -6.7% 64.90 US$404,132
2025-09-23 2025-09-22 S Sale

Chief Financial Officer

Executive Director
563 -0.6%
64.61
US$36,375
563 -0.6% 64.61 US$36,375
2025-09-23 2025-09-22 S Sale

Chief Financial Officer

Executive Director
14,639 -13.5%
63.94
US$936,018
14,639 -13.5% 63.94 US$936,018
2025-09-23 2025-09-19 S Sale

Chief Financial Officer

Executive Director
140 -0.1%
65.19
US$9,127
140 -0.1% 65.19 US$9,127
2025-09-23 2025-09-19 S Sale

Chief Financial Officer

Executive Director
50,553 -31.8%
64.61
US$3,266,229
50,553 -31.8% 64.61 US$3,266,229
2025-09-19 2025-09-18 S Sale

Chief Financial Officer

Executive Director
71,019 -30.9%
65.05
US$4,619,786
71,019 -30.9% 65.05 US$4,619,786
2025-09-19 2025-09-18 S Sale

Chief Financial Officer

Executive Director
37,905 -14.2%
64.40
US$2,441,082
37,905 -14.2% 64.40 US$2,441,082
2025-09-19 2025-09-18 S Sale

Chief Financial Officer

Executive Director
7,937 -2.9%
63.43
US$503,444
7,937 -2.9% 63.43 US$503,444
2025-09-19 2025-09-17 S Sale

Chief Financial Officer

Executive Director
44,727 -14.0%
62.48
US$2,794,543
44,727 -14.0% 62.48 US$2,794,543
2025-09-19 2025-09-17 S Sale

Chief Financial Officer

Executive Director
61,794 -16.2%
62.06
US$3,834,936
61,794 -16.2% 62.06 US$3,834,936
2025-09-17 2025-09-16 S Sale

Chief Financial Officer

Executive Director
587 -0.2%
62.62
US$36,758
587 -0.2% 62.62 US$36,758
2025-09-17 2025-09-16 S Sale

Chief Financial Officer

Executive Director
98,601 -20.5%
62.24
US$6,136,926
98,601 -20.5% 62.24 US$6,136,926
2025-09-17 2025-09-15 S Sale

Chief Financial Officer

Executive Director
1,499 -0.3%
64.26
US$96,326
1,499 -0.3% 64.26 US$96,326
2025-09-17 2025-09-15 S Sale

Chief Financial Officer

Executive Director
37,506 -7.2%
63.79
US$2,392,508
37,506 -7.2% 63.79 US$2,392,508
2025-09-17 2025-09-15 S Sale

Chief Financial Officer

Executive Director
57,289 -9.9%
62.66
US$3,589,729
57,289 -9.9% 62.66 US$3,589,729
2025-09-15 2025-09-12 S Sale

Chief Financial Officer

Executive Director
61,617 -9.6%
64.19
US$3,955,195
61,617 -9.6% 64.19 US$3,955,195
2025-09-15 2025-09-12 S Sale

Chief Financial Officer

Executive Director
35,592 -5.3%
63.84
US$2,272,193
35,592 -5.3% 63.84 US$2,272,193
2025-09-15 2025-09-11 S Sale

Chief Financial Officer

Executive Director
54,723 -7.5%
63.54
US$3,477,099
54,723 -7.5% 63.54 US$3,477,099
2025-09-15 2025-09-11 S Sale

Chief Financial Officer

Executive Director
57,851 -7.3%
62.94
US$3,641,142
57,851 -7.3% 62.94 US$3,641,142
2025-09-11 2025-09-10 S Sale

Chief Financial Officer

Executive Director
104,906 -11.8%
62.51
US$6,557,674
104,906 -11.8% 62.51 US$6,557,674
2025-09-11 2025-09-09 S Sale

Chief Financial Officer

Executive Director
84,956 -8.7%
62.02
US$5,268,971
84,956 -8.7% 62.02 US$5,268,971
2025-09-11 2025-09-09 S Sale

Chief Financial Officer

Executive Director
22,537 -2.3%
61.30
US$1,381,518
22,537 -2.3% 61.30 US$1,381,518
2025-09-09 2025-09-09 PrS Proposed sale

Officer

Officer
1,000,000
61.11
US$61,110,000
1,000,000 61.11 US$61,110,000
2025-08-15 2025-08-14 S Sale

Vice Chairman

Executive Director
20,521 -4.9%
64.22
US$1,317,859
20,521 -4.9% 64.22 US$1,317,859
2025-08-15 2025-08-14 S Sale

Vice Chairman

Executive Director
33,379 -7.4%
63.86
US$2,131,583
33,379 -7.4% 63.86 US$2,131,583
2025-08-14 2025-08-13 S Sale

Vice Chairman

Executive Director
200 -0.0%
67.20
US$13,440
200 -0.0% 67.20 US$13,440
2025-08-14 2025-08-13 S Sale

Vice Chairman

Executive Director
2,400 -0.5%
66.77
US$160,248
2,400 -0.5% 66.77 US$160,248
2025-08-14 2025-08-13 S Sale

Vice Chairman

Executive Director
200 -0.0%
66.09
US$13,218
200 -0.0% 66.09 US$13,218
2025-08-14 2025-08-13 S Sale

Vice Chairman

Executive Director
200 -0.0%
64.19
US$12,838
200 -0.0% 64.19 US$12,838
2025-08-14 2025-08-13 S Sale

Vice Chairman

Executive Director
4,600 -1.0%
63.75
US$293,250
4,600 -1.0% 63.75 US$293,250
2025-08-14 2025-08-12 S Sale

Vice Chairman

Executive Director
41,086 -8.2%
67.88
US$2,788,918
41,086 -8.2% 67.88 US$2,788,918
2025-08-14 2025-08-12 S Sale

Vice Chairman

Executive Director
153,000 -23.3%
67.39
US$10,310,670
153,000 -23.3% 67.39 US$10,310,670
2025-08-12 2025-08-11 S Sale

Vice Chairman

Executive Director
12,841 -1.9%
66.09
US$848,662
12,841 -1.9% 66.09 US$848,662
2025-08-12 2025-08-08 S Sale

Vice Chairman

Executive Director
2,641 -0.4%
65.94
US$174,148
2,641 -0.4% 65.94 US$174,148
2025-08-12 2025-08-08 S Sale

Vice Chairman

Executive Director
10,200 -1.5%
65.60
US$669,120
10,200 -1.5% 65.60 US$669,120
2025-08-08 2025-08-07 S Sale

Vice Chairman

Executive Director
441 -0.1%
64.35
US$28,378
441 -0.1% 64.35 US$28,378
2025-08-08 2025-08-07 S Sale

Vice Chairman

Executive Director
12,400 -1.8%
63.94
US$792,856
12,400 -1.8% 63.94 US$792,856
2025-08-08 2025-08-06 S Sale

Vice Chairman

Executive Director
200 -0.0%
64.16
US$12,832
200 -0.0% 64.16 US$12,832