Insider Trading activities at Interactive Brokers Group, Inc. (IBKR)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Interactive Brokers Group, Inc. (IBKR) since 2014 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Interactive Brokers Group, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1381197.

Total stock buying since 2014: $155,275.
Total stock sales since 2014: $1,229,735,060.
Total stock option exercises since 2014: $0.


9 insiders reported insider trading activities at Interactive Brokers Group, Inc. (IBKR):
Insider trading activities of Mendonca Denis
Insider trading activities of Uhde Philip
Insider trading activities of Bright Jill
Insider trading activities of Peterffy Thomas
Insider trading activities of Galik Milan
Insider trading activities of Brody Paul Jonathan
Insider trading activities of Frank Thomas Aj
Insider trading activities of Nemser Earl H
Insider trading activities of Echinus Advisors, Llc

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at Interactive Brokers Group, Inc. (IBKR).
Insider Buying Insider Sales Option Exercises
Year Shares Value Shares Value Shares Value
2025 135 $29,633 400,000 $26,517,069 0 $0
2024 0 $0 740,061 $69,002,184 0 $0
2023 0 $0 1,241,712 $106,225,552 0 $0
2022 0 $0 3,663,349 $243,726,700 0 $0
2021 0 $0 7,588,028 $533,455,070 0 $0
2020 0 $0 2,210,804 $119,023,788 0 $0
2018 1,135 $75,538 216,542 $13,483,746 0 $0
2017 993 $50,104 1,540,763 $72,461,432 0 $0
2016 0 $0 4,000 $160,840 0 $0
2015 0 $0 1,140,107 $45,536,234 0 $0
2014 0 $0 4,855 $142,445 0 $0

Table 2. Monthly summary of insider trading at Interactive Brokers Group, Inc. (IBKR).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2025-08 0 $0 345,473 $22,892,685 0 $0
2025-07 0 $0 54,527 $3,624,384 0 $0
2025-01 135 $29,633 0 $0 0 $0
2024-02 0 $0 324,411 $31,503,838 0 $0
2024-01 0 $0 415,650 $37,498,346 0 $0
2023-11 0 $0 34,287 $2,742,757 0 $0
2023-10 0 $0 406,270 $34,729,158 0 $0
2023-09 0 $0 466,811 $42,249,362 0 $0
2023-04 0 $0 108,844 $9,001,181 0 $0
2023-01 0 $0 225,500 $17,503,094 0 $0
2022-12 0 $0 40,000 $3,102,500 0 $0
2022-11 0 $0 464,206 $35,959,149 0 $0
2022-10 0 $0 180,000 $13,990,958 0 $0
2022-07 0 $0 400,000 $22,409,400 0 $0
2022-06 0 $0 420,000 $24,267,300 0 $0
2022-05 0 $0 380,000 $21,653,260 0 $0
2022-04 0 $0 400,000 $25,747,780 0 $0
2022-03 0 $0 460,000 $29,468,801 0 $0
2022-02 0 $0 380,000 $27,087,239 0 $0
2022-01 0 $0 539,143 $40,040,313 0 $0
2021-12 0 $0 804,186 $62,442,429 0 $0
2021-11 0 $0 764,114 $56,904,503 0 $0
2021-10 0 $0 809,971 $57,580,350 0 $0
2021-09 0 $0 804,052 $50,600,303 0 $0

Table 3. Detailed insider trading at Interactive Brokers Group, Inc. (IBKR)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2025-08-14 Nemser Earl H (Vice Chairman) Sale 53,900 64.04 3,451,756
2025-08-13 Nemser Earl H (Vice Chairman) Sale 7,600 65.60 498,559
2025-08-12 Nemser Earl H (Vice Chairman) Sale 194,086 67.64 13,127,006
2025-08-11 Nemser Earl H (Vice Chairman) Sale 12,841 66.09 848,661
2025-08-08 Nemser Earl H (Vice Chairman) Sale 12,841 65.77 844,552
2025-08-07 Nemser Earl H (Vice Chairman) Sale 12,841 64.14 823,685
2025-08-06 Nemser Earl H (Vice Chairman) Sale 12,841 63.81 819,448
2025-08-05 Nemser Earl H (Vice Chairman) Sale 12,841 64.24 824,905
2025-08-04 Nemser Earl H (Vice Chairman) Sale 12,841 64.54 828,758
2025-08-01 Nemser Earl H (Vice Chairman) Sale 12,841 64.28 825,355
2025-07-31 Nemser Earl H (Vice Chairman) Sale 14,641 66.44 972,821
2025-07-30 Nemser Earl H (Vice Chairman) Sale 39,786 66.48 2,644,973
2025-07-28 Nemser Earl H (Vice Chairman) Sale 100 65.90 6,590
2025-01-31 Bright Jill Buy 135 219.51 29,633
2024-02-22 Nemser Earl H (Vice Chairman) Sale 5,000 107.01 535,050
2024-02-21 Nemser Earl H (Vice Chairman) Sale 5,000 104.86 524,300
2024-02-16 Nemser Earl H (Vice Chairman) Sale 5,000 105.68 528,400
2024-02-15 Nemser Earl H (Vice Chairman) Sale 10,000 103.33 1,033,349
2024-02-14 Nemser Earl H (Vice Chairman) Sale 25,000 101.69 2,542,125
2024-02-13 Nemser Earl H (Vice Chairman) Sale 50,000 101.02 5,051,000
2024-02-06 Frank Thomas Aj (Chief Information Officer) Sale 3,667 94.52 346,604
2024-02-05 Frank Thomas Aj (Chief Information Officer) Sale 36,267 96.01 3,481,994
2024-02-05 Nemser Earl H (Vice Chairman) Sale 25,782 96.06 2,476,618
2024-02-02 Frank Thomas Aj (Chief Information Officer) Sale 47,594 94.44 4,494,872
2024-02-02 Nemser Earl H (Vice Chairman) Sale 74,218 96.29 7,146,451
2024-02-01 Frank Thomas Aj (Chief Information Officer) Sale 36,883 90.64 3,343,075
2024-01-30 Frank Thomas Aj (Chief Information Officer) Sale 8,608 90.36 777,861
2024-01-29 Frank Thomas Aj (Chief Information Officer) Sale 46,709 91.03 4,251,920
2024-01-26 Frank Thomas Aj (Chief Information Officer) Sale 49,081 91.39 4,485,267
2024-01-25 Frank Thomas Aj (Chief Information Officer) Sale 48,316 91.03 4,398,205
2024-01-24 Frank Thomas Aj (Chief Information Officer) Sale 44,643 91.67 4,092,200
2024-01-23 Frank Thomas Aj (Chief Information Officer) Sale 46,628 91.91 4,285,346
2024-01-22 Frank Thomas Aj (Chief Information Officer) Sale 50,300 90.71 4,562,713
2024-01-19 Frank Thomas Aj (Chief Information Officer) Sale 1,716 89.36 153,341
2024-01-18 Frank Thomas Aj (Chief Information Officer) Sale 12,917 88.68 1,145,479
2024-01-17 Frank Thomas Aj (Chief Information Officer) Sale 15,136 87.75 1,328,214
2024-01-16 Frank Thomas Aj (Chief Information Officer) Sale 13,189 87.73 1,157,070
2024-01-10 Frank Thomas Aj (Chief Information Officer) Sale 12,827 86.95 1,115,307
2024-01-09 Frank Thomas Aj (Chief Information Officer) Sale 13,188 87.83 1,158,236
2024-01-08 Frank Thomas Aj (Chief Information Officer) Sale 13,188 87.24 1,150,560
2024-01-05 Frank Thomas Aj (Chief Information Officer) Sale 12,827 88.52 1,135,407
2024-01-04 Frank Thomas Aj (Chief Information Officer) Sale 13,188 88.05 1,161,163
2024-01-03 Frank Thomas Aj (Chief Information Officer) Sale 13,189 86.44 1,140,057
2023-11-07 Brody Paul Jonathan (Chief Financial Officer) Sale 2,201 81.11 178,512
2023-11-06 Brody Paul Jonathan (Chief Financial Officer) Sale 9,200 80.27 738,484
2023-11-03 Brody Paul Jonathan (Chief Financial Officer) Sale 1,083 79.65 86,260
2023-11-02 Brody Paul Jonathan (Chief Financial Officer) Sale 13,052 79.86 1,042,397
2023-11-01 Brody Paul Jonathan (Chief Financial Officer) Sale 8,751 79.66 697,104
2023-10-31 Brody Paul Jonathan (Chief Financial Officer) Sale 13,153 80.01 1,052,371
2023-10-30 Brody Paul Jonathan (Chief Financial Officer) Sale 11,952 80.00 956,160
2023-10-27 Brody Paul Jonathan (Chief Financial Officer) Sale 4,148 79.60 330,180
2023-10-26 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 80.58 1,059,450
2023-10-25 Brody Paul Jonathan (Chief Financial Officer) Sale 7,447 80.00 595,760
2023-10-24 Brody Paul Jonathan (Chief Financial Officer) Sale 13,148 80.66 1,060,451
2023-10-23 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 80.81 1,062,409
2023-10-20 Brody Paul Jonathan (Chief Financial Officer) Sale 13,148 80.77 1,061,963
2023-10-19 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 82.20 1,080,722
2023-10-18 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 82.48 1,084,364
2023-10-17 Brody Paul Jonathan (Chief Financial Officer) Sale 13,148 86.61 1,138,748
2023-10-16 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 86.61 1,138,727
2023-10-13 Brody Paul Jonathan (Chief Financial Officer) Sale 13,148 85.47 1,123,825
2023-10-13 Frank Thomas Aj (Chief Information Officer) Sale 13,188 85.22 1,123,881
2023-10-12 Brody Paul Jonathan (Chief Financial Officer) Sale 13,047 86.45 1,127,952
2023-10-12 Frank Thomas Aj (Chief Information Officer) Sale 13,188 86.44 1,139,970
2023-10-11 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 87.72 1,153,320
2023-10-11 Frank Thomas Aj (Chief Information Officer) Sale 12,827 87.72 1,125,120
2023-10-10 Brody Paul Jonathan (Chief Financial Officer) Sale 13,102 88.94 1,165,357
2023-10-10 Frank Thomas Aj (Chief Information Officer) Sale 13,188 88.94 1,172,940
2023-10-09 Brody Paul Jonathan (Chief Financial Officer) Sale 13,124 88.89 1,166,526
2023-10-09 Frank Thomas Aj (Chief Information Officer) Sale 13,189 88.90 1,172,502
2023-10-06 Brody Paul Jonathan (Chief Financial Officer) Sale 13,148 89.35 1,174,734
2023-10-06 Frank Thomas Aj (Chief Information Officer) Sale 15,024 89.37 1,342,694
2023-10-05 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 87.23 1,146,773
2023-10-05 Frank Thomas Aj (Chief Information Officer) Sale 13,098 87.23 1,142,577
2023-10-04 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 86.77 1,140,765
2023-10-04 Frank Thomas Aj (Chief Information Officer) Sale 13,188 86.77 1,144,322
2023-10-03 Brody Paul Jonathan (Chief Financial Officer) Sale 13,148 87.00 1,143,810
2023-10-03 Frank Thomas Aj (Chief Information Officer) Sale 13,008 87.00 1,131,630
2023-10-02 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 86.15 1,132,614
2023-10-02 Frank Thomas Aj (Chief Information Officer) Sale 13,188 86.18 1,136,541
2023-09-29 Brody Paul Jonathan (Chief Financial Officer) Sale 13,148 87.41 1,149,227
2023-09-29 Frank Thomas Aj (Chief Information Officer) Sale 13,188 87.43 1,153,026
2023-09-28 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 87.92 1,155,884
2023-09-28 Frank Thomas Aj (Chief Information Officer) Sale 13,188 87.92 1,159,488
2023-09-27 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 87.84 1,154,793
2023-09-27 Frank Thomas Aj (Chief Information Officer) Sale 13,188 87.58 1,154,939
2023-09-26 Brody Paul Jonathan (Chief Financial Officer) Sale 13,148 86.44 1,136,513
2023-09-26 Frank Thomas Aj (Chief Information Officer) Sale 13,098 86.46 1,132,453
2023-09-25 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 87.79 1,154,175
2023-09-25 Frank Thomas Aj (Chief Information Officer) Sale 13,188 87.80 1,157,906
2023-09-22 Brody Paul Jonathan (Chief Financial Officer) Sale 13,125 88.74 1,164,751
2023-09-22 Frank Thomas Aj (Chief Information Officer) Sale 12,827 88.76 1,138,486
2023-09-21 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 89.61 1,178,036
2023-09-21 Frank Thomas Aj (Chief Information Officer) Sale 15,407 89.97 1,386,121
2023-09-20 Brody Paul Jonathan (Chief Financial Officer) Sale 13,148 89.92 1,182,202
2023-09-20 Frank Thomas Aj (Chief Information Officer) Sale 26,348 89.97 2,370,397
2023-09-19 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 89.73 1,179,746
2023-09-19 Frank Thomas Aj (Chief Information Officer) Sale 14,106 89.75 1,265,942
2023-09-18 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 91.12 1,197,954
2023-09-18 Frank Thomas Aj (Chief Information Officer) Sale 25,987 91.08 2,367,025
2023-09-15 Brody Paul Jonathan (Chief Financial Officer) Sale 13,148 92.09 1,210,799
2023-09-15 Frank Thomas Aj (Chief Information Officer) Sale 26,348 92.09 2,426,387
2023-09-14 Brody Paul Jonathan (Chief Financial Officer) Sale 11,472 92.53 1,061,504
2023-09-14 Frank Thomas Aj (Chief Information Officer) Sale 19,493 92.53 1,803,687
2023-09-13 Brody Paul Jonathan (Chief Financial Officer) Sale 11,564 92.69 1,071,867
2023-09-13 Frank Thomas Aj (Chief Information Officer) Sale 21,246 92.69 1,969,228
2023-09-12 Brody Paul Jonathan (Chief Financial Officer) Sale 13,147 94.22 1,238,710
2023-09-12 Frank Thomas Aj (Chief Information Officer) Sale 26,077 94.21 2,456,714
2023-09-11 Brody Paul Jonathan (Chief Financial Officer) Sale 11,747 94.98 1,115,788
2023-09-11 Frank Thomas Aj (Chief Information Officer) Sale 20,593 94.97 1,955,614
2023-04-20 Uhde Philip Sale 108,844 82.70 9,001,181
2023-01-27 Peterffy Thomas (Chairman) Sale 20,000 77.98 1,559,660
2023-01-26 Peterffy Thomas (Chairman) Sale 20,000 79.25 1,585,100
2023-01-23 Peterffy Thomas (Chairman) Sale 20,000 79.26 1,585,140
2023-01-20 Peterffy Thomas (Chairman) Sale 20,000 78.12 1,562,400
2023-01-19 Peterffy Thomas (Chairman) Sale 20,000 79.58 1,591,500
2023-01-18 Peterffy Thomas (Chairman) Sale 20,000 78.78 1,575,640
2023-01-17 Peterffy Thomas (Chairman) Sale 20,000 77.55 1,551,060
2023-01-13 Peterffy Thomas (Chairman) Sale 20,000 75.96 1,519,199
2023-01-12 Peterffy Thomas (Chairman) Sale 5,500 75.01 412,555
2023-01-11 Peterffy Thomas (Chairman) Sale 20,000 76.02 1,520,400
2023-01-10 Peterffy Thomas (Chairman) Sale 20,000 75.77 1,515,300
2023-01-09 Peterffy Thomas (Chairman) Sale 20,000 76.26 1,525,140
2022-12-07 Peterffy Thomas (Chairman) Sale 20,000 77.33 1,546,500
2022-12-06 Peterffy Thomas (Chairman) Sale 20,000 77.80 1,556,000
2022-11-29 Peterffy Thomas (Chairman) Sale 20,000 79.32 1,586,399
2022-11-28 Peterffy Thomas (Chairman) Sale 20,000 78.05 1,560,900
2022-11-25 Peterffy Thomas (Chairman) Sale 11,900 77.57 923,082
2022-11-23 Peterffy Thomas (Chairman) Sale 20,000 78.64 1,572,700
2022-11-22 Peterffy Thomas (Chairman) Sale 20,000 76.64 1,532,740
2022-11-22 Frank Thomas Aj (Chief Information Officer) Sale 19,600 76.66 1,502,536
2022-11-21 Frank Thomas Aj (Chief Information Officer) Sale 19,300 75.56 1,458,211
2022-11-18 Frank Thomas Aj (Chief Information Officer) Sale 20,000 74.84 1,496,800
2022-11-17 Peterffy Thomas (Chairman) Sale 16,800 75.28 1,264,704
2022-11-17 Frank Thomas Aj (Chief Information Officer) Sale 19,000 74.77 1,420,687
2022-11-16 Peterffy Thomas (Chairman) Sale 18,906 75.16 1,420,974
2022-11-16 Frank Thomas Aj (Chief Information Officer) Sale 20,000 74.98 1,499,700
2022-11-15 Peterffy Thomas (Chairman) Sale 20,000 75.94 1,518,800
2022-11-15 Frank Thomas Aj (Chief Information Officer) Sale 18,700 76.02 1,421,517
2022-11-14 Frank Thomas Aj (Chief Information Officer) Sale 20,000 73.86 1,477,140
2022-11-11 Frank Thomas Aj (Chief Information Officer) Sale 20,000 76.03 1,520,500
2022-11-10 Frank Thomas Aj (Chief Information Officer) Sale 20,000 79.60 1,592,000
2022-11-09 Peterffy Thomas (Chairman) Sale 20,000 79.08 1,581,600
2022-11-09 Frank Thomas Aj (Chief Information Officer) Sale 20,000 79.05 1,581,060
2022-11-08 Peterffy Thomas (Chairman) Sale 20,000 80.20 1,604,100
2022-11-08 Frank Thomas Aj (Chief Information Officer) Sale 20,000 80.21 1,604,199
2022-11-03 Peterffy Thomas (Chairman) Sale 20,000 80.28 1,605,600
2022-11-02 Peterffy Thomas (Chairman) Sale 20,000 80.60 1,612,000
2022-11-01 Peterffy Thomas (Chairman) Sale 20,000 80.06 1,601,200
2022-10-31 Peterffy Thomas (Chairman) Sale 20,000 80.45 1,609,100

Insider trading activities including stock purchases, stock sales, and option exercises of IBKR listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Interactive Brokers Group, Inc. (symbol IBKR, CIK number 1381197) see the Securities and Exchange Commission (SEC) website.



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