Insider Trading activities of Interactive Brokers Group, Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Interactive Brokers Group, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Interactive Brokers Group, Inc. since year 2005. Table 2 shows the detailed insider transactions of Interactive Brokers Group, Inc. since 2005. The reporting company's ticker symbol is IBKR. The reporting company's CIK number is 1381197.
The total value of stock buying since 2005 is $11,508,353.
The total value of stock sales since 2005 is $125,904,931.
The total value of stock option exercises since 2005 is $0.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Interactive Brokers Group, Inc. (IBKR).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-10 0 $0 298,186 $14,173,958 0 $0
2017-09 0 $0 389,293 $16,756,092 0 $0
2017-08 0 $0 325,463 $13,377,254 0 $0
2017-04 0 $0 1 $34 0 $0
2016-04 0 $0 4,000 $160,840 0 $0
2015-11 0 $0 128,487 $5,479,857 0 $0
2015-10 0 $0 304,046 $12,005,069 0 $0
2015-09 0 $0 309,349 $11,981,805 0 $0
2015-08 0 $0 303,071 $12,468,384 0 $0
2015-07 0 $0 69,971 $2,873,412 0 $0
2015-01 0 $0 25,183 $727,707 0 $0
2014-12 0 $0 103,394 $2,925,459 0 $0
2014-11 0 $0 86,792 $2,337,018 0 $0
2014-10 0 $0 25,026 $627,824 0 $0
2014-09 0 $0 18,900 $468,114 0 $0
2014-08 0 $0 18,900 $443,033 0 $0
2014-07 0 $0 19,800 $454,053 0 $0
2014-06 0 $0 11,700 $271,483 0 $0
2014-04 0 $0 9,000 $196,676 0 $0
2014-03 0 $0 18,900 $415,516 0 $0
2014-02 0 $0 171,832 $3,699,230 0 $0
2014-01 0 $0 267,241 $6,086,190 0 $0
2013-12 0 $0 244,660 $5,973,735 0 $0
2013-11 0 $0 93,917 $2,238,481 0 $0
2013-10 0 $0 23,000 $450,950 0 $0
2013-09 0 $0 20,000 $358,435 0 $0
2013-08 0 $0 20,000 $338,710 0 $0
2013-07 0 $0 20,000 $329,068 0 $0
2013-06 0 $0 20,000 $320,643 0 $0
2013-05 0 $0 22,000 $343,423 0 $0
2013-04 0 $0 22,000 $319,425 0 $0
2013-03 0 $0 20,000 $295,463 0 $0
2013-02 0 $0 19,000 $280,720 0 $0
2013-01 0 $0 13,600 $191,662 0 $0
2012-12 0 $0 312,000 $4,417,138 0 $0
2012-11 0 $0 16,800 $244,106 0 $0
2012-10 0 $0 16,800 $238,167 0 $0
2012-09 0 $0 13,600 $192,812 0 $0
2012-07 5,000 $67,400 12,000 $171,742 0 $0
2012-06 0 $0 16,800 $241,282 0 $0
2012-05 0 $0 17,600 $254,009 0 $0
2012-04 0 $0 14,400 $233,673 0 $0
2012-03 0 $0 17,600 $293,106 0 $0
2012-02 0 $0 16,000 $249,173 0 $0
2011-07 25,000 $379,200 0 $0 0 $0
2009-08 271,162 $5,176,474 0 $0 0 $0
2009-07 285,098 $5,192,391 0 $0 0 $0
2009-05 5,000 $71,150 0 $0 0 $0
2009-02 5,000 $72,970 0 $0 0 $0
2009-01 5,000 $76,000 0 $0 0 $0
2008-12 1,000 $18,650 0 $0 0 $0
2008-10 4,000 $73,468 0 $0 0 $0
2008-08 5,000 $135,500 0 $0 0 $0
2007-07 10,000 $245,150 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Interactive Brokers Group, Inc. insiders (IBKR)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-10-18 Brody Paul Jonathan (Chief Financial Officer) Sale 5,760 49.88 287,280
2017-10-18 Frank Thomas Aj (Chief Information Officer) Sale 16,850 49.92 841,236
2017-10-18 Nemser Earl H (Vice Chairman) Sale 842 49.93 42,041
2017-10-17 Brody Paul Jonathan (Chief Financial Officer) Sale 5,551 47.34 262,784
2017-10-17 Frank Thomas Aj (Chief Information Officer) Sale 16,850 47.34 797,679
2017-10-17 Nemser Earl H (Vice Chairman) Sale 841 47.36 39,829
2017-10-16 Brody Paul Jonathan (Chief Financial Officer) Sale 5,551 47.51 263,728
2017-10-16 Frank Thomas Aj (Chief Information Officer) Sale 16,850 47.49 800,206
2017-10-16 Nemser Earl H (Vice Chairman) Sale 842 47.46 39,961
2017-10-13 Brody Paul Jonathan (Chief Financial Officer) Sale 5,482 47.65 261,217
2017-10-13 Frank Thomas Aj (Chief Information Officer) Sale 16,765 47.66 799,019
2017-10-13 Nemser Earl H (Vice Chairman) Sale 833 47.66 39,700
2017-10-12 Brody Paul Jonathan (Chief Financial Officer) Sale 5,482 47.83 262,204
2017-10-12 Frank Thomas Aj (Chief Information Officer) Sale 16,663 47.84 797,157
2017-10-12 Nemser Earl H (Vice Chairman) Sale 841 47.88 40,267
2017-10-11 Brody Paul Jonathan (Chief Financial Officer) Sale 5,759 47.64 274,358
2017-10-11 Frank Thomas Aj (Chief Information Officer) Sale 16,109 47.65 767,593
2017-10-11 Nemser Earl H (Vice Chairman) Sale 767 47.68 36,570
2017-10-10 Brody Paul Jonathan (Chief Financial Officer) Sale 4,927 47.24 232,751
2017-10-10 Frank Thomas Aj (Chief Information Officer) Sale 16,850 47.24 795,994
2017-10-10 Nemser Earl H (Vice Chairman) Sale 842 47.22 39,759
2017-10-09 Brody Paul Jonathan (Chief Financial Officer) Sale 5,412 47.64 257,827
2017-10-09 Frank Thomas Aj (Chief Information Officer) Sale 16,127 47.63 768,129
2017-10-09 Nemser Earl H (Vice Chairman) Sale 816 47.63 38,866
2017-10-06 Brody Paul Jonathan (Chief Financial Officer) Sale 5,760 47.47 273,427
2017-10-06 Frank Thomas Aj (Chief Information Officer) Sale 16,850 47.47 799,869
2017-10-06 Nemser Earl H (Vice Chairman) Sale 841 47.49 39,939
2017-10-05 Brody Paul Jonathan (Chief Financial Officer) Sale 5,759 47.60 274,128
2017-10-05 Frank Thomas Aj (Chief Information Officer) Sale 16,416 47.59 781,237
2017-10-05 Nemser Earl H (Vice Chairman) Sale 808 47.56 38,428
2017-10-04 Brody Paul Jonathan (Chief Financial Officer) Sale 5,621 47.29 265,817
2017-10-04 Frank Thomas Aj (Chief Information Officer) Sale 16,850 47.29 796,836
2017-10-04 Nemser Earl H (Vice Chairman) Sale 841 47.32 39,796
2017-10-03 Brody Paul Jonathan (Chief Financial Officer) Sale 4,996 46.90 234,312
2017-10-03 Frank Thomas Aj (Chief Information Officer) Sale 16,255 46.90 762,359
2017-10-03 Nemser Earl H (Vice Chairman) Sale 782 46.91 36,683
2017-10-02 Brody Paul Jonathan (Chief Financial Officer) Sale 5,759 45.82 263,877
2017-10-02 Frank Thomas Aj (Chief Information Officer) Sale 16,194 45.85 742,494
2017-10-02 Nemser Earl H (Vice Chairman) Sale 842 45.84 38,601
2017-09-29 Brody Paul Jonathan (Chief Financial Officer) Sale 5,551 44.87 249,073
2017-09-29 Frank Thomas Aj (Chief Information Officer) Sale 16,757 44.88 752,054
2017-09-29 Nemser Earl H (Vice Chairman) Sale 841 44.91 37,769
2017-09-28 Brody Paul Jonathan (Chief Financial Officer) Sale 5,413 44.78 242,394
2017-09-28 Frank Thomas Aj (Chief Information Officer) Sale 16,569 44.78 741,959
2017-09-28 Nemser Earl H (Vice Chairman) Sale 842 44.75 37,679
2017-09-27 Brody Paul Jonathan (Chief Financial Officer) Sale 5,759 44.27 254,950
2017-09-27 Frank Thomas Aj (Chief Information Officer) Sale 16,340 44.25 723,045
2017-09-27 Nemser Earl H (Vice Chairman) Sale 790 44.28 34,981
2017-09-26 Brody Paul Jonathan (Chief Financial Officer) Sale 5,343 43.74 233,702
2017-09-26 Frank Thomas Aj (Chief Information Officer) Sale 15,965 43.74 698,309
2017-09-26 Nemser Earl H (Vice Chairman) Sale 791 43.71 34,574
2017-09-25 Brody Paul Jonathan (Chief Financial Officer) Sale 5,482 44.09 241,701
2017-09-25 Frank Thomas Aj (Chief Information Officer) Sale 15,488 44.09 682,865
2017-09-25 Nemser Earl H (Vice Chairman) Sale 799 44.10 35,235
2017-09-22 Brody Paul Jonathan (Chief Financial Officer) Sale 5,759 43.76 252,013
2017-09-22 Frank Thomas Aj (Chief Information Officer) Sale 16,255 43.75 711,156
2017-09-22 Nemser Earl H (Vice Chairman) Sale 782 43.76 34,220
2017-09-21 Brody Paul Jonathan (Chief Financial Officer) Sale 5,760 43.42 250,099
2017-09-21 Frank Thomas Aj (Chief Information Officer) Sale 16,475 43.42 715,344
2017-09-21 Nemser Earl H (Vice Chairman) Sale 841 43.43 36,524
2017-09-20 Brody Paul Jonathan (Chief Financial Officer) Sale 5,065 43.56 220,631
2017-09-20 Frank Thomas Aj (Chief Information Officer) Sale 15,974 43.59 696,306
2017-09-20 Nemser Earl H (Vice Chairman) Sale 782 43.57 34,071
2017-09-19 Brody Paul Jonathan (Chief Financial Officer) Sale 5,621 43.28 243,276
2017-09-19 Frank Thomas Aj (Chief Information Officer) Sale 16,569 43.33 717,934
2017-09-19 Nemser Earl H (Vice Chairman) Sale 842 43.29 36,450
2017-09-18 Brody Paul Jonathan (Chief Financial Officer) Sale 5,620 42.66 239,749
2017-09-18 Frank Thomas Aj (Chief Information Officer) Sale 16,850 42.66 718,821
2017-09-18 Nemser Earl H (Vice Chairman) Sale 841 42.66 35,877
2017-09-15 Brody Paul Jonathan (Chief Financial Officer) Sale 5,274 41.99 221,455
2017-09-15 Frank Thomas Aj (Chief Information Officer) Sale 8,418 41.96 353,219
2017-09-15 Nemser Earl H (Vice Chairman) Sale 842 41.93 35,305
2017-09-14 Brody Paul Jonathan (Chief Financial Officer) Sale 5,759 42.05 242,165
2017-09-14 Frank Thomas Aj (Chief Information Officer) Sale 8,248 42.05 346,828
2017-09-14 Nemser Earl H (Vice Chairman) Sale 824 42.07 34,665
2017-09-13 Brody Paul Jonathan (Chief Financial Officer) Sale 5,551 41.84 232,253
2017-09-13 Frank Thomas Aj (Chief Information Officer) Sale 8,418 41.83 352,124
2017-09-13 Nemser Earl H (Vice Chairman) Sale 842 41.81 35,204
2017-09-12 Brody Paul Jonathan (Chief Financial Officer) Sale 5,760 41.84 240,998
2017-09-12 Frank Thomas Aj (Chief Information Officer) Sale 8,418 41.86 352,377
2017-09-12 Nemser Earl H (Vice Chairman) Sale 1,682 41.88 70,442
2017-09-11 Brody Paul Jonathan (Chief Financial Officer) Sale 5,620 41.95 235,759
2017-09-11 Frank Thomas Aj (Chief Information Officer) Sale 8,418 41.94 353,050
2017-09-11 Nemser Earl H (Vice Chairman) Sale 1,684 41.92 70,592
2017-09-08 Brody Paul Jonathan (Chief Financial Officer) Sale 5,621 41.51 233,327
2017-09-08 Frank Thomas Aj (Chief Information Officer) Sale 8,418 41.52 349,515
2017-09-08 Nemser Earl H (Vice Chairman) Sale 841 41.55 34,943
2017-09-07 Brody Paul Jonathan (Chief Financial Officer) Sale 5,759 41.25 237,558
2017-09-07 Frank Thomas Aj (Chief Information Officer) Sale 7,822 41.24 322,579
2017-09-07 Nemser Earl H (Vice Chairman) Sale 782 41.24 32,249
2017-09-06 Brody Paul Jonathan (Chief Financial Officer) Sale 5,343 41.62 222,375
2017-09-06 Frank Thomas Aj (Chief Information Officer) Sale 8,418 41.62 350,357
2017-09-06 Nemser Earl H (Vice Chairman) Sale 842 41.60 35,027
2017-09-05 Brody Paul Jonathan (Chief Financial Officer) Sale 5,482 42.38 232,354
2017-09-05 Frank Thomas Aj (Chief Information Officer) Sale 11,800 42.45 500,969
2017-09-05 Nemser Earl H (Vice Chairman) Sale 833 42.40 35,319
2017-09-01 Brody Paul Jonathan (Chief Financial Officer) Sale 5,621 42.27 237,599
2017-09-01 Frank Thomas Aj (Chief Information Officer) Sale 16,680 42.41 707,315
2017-09-01 Nemser Earl H (Vice Chairman) Sale 824 42.34 34,892
2017-08-31 Brody Paul Jonathan (Chief Financial Officer) Sale 5,759 41.62 239,689
2017-08-31 Frank Thomas Aj (Chief Information Officer) Sale 8,418 41.63 350,441
2017-08-31 Nemser Earl H (Vice Chairman) Sale 842 41.61 35,035
2017-08-30 Brody Paul Jonathan (Chief Financial Officer) Sale 5,760 41.48 238,924
2017-08-30 Frank Thomas Aj (Chief Information Officer) Sale 8,418 41.48 349,178
2017-08-30 Nemser Earl H (Vice Chairman) Sale 841 41.50 34,901
2017-08-29 Brody Paul Jonathan (Chief Financial Officer) Sale 5,759 41.82 240,841
2017-08-29 Frank Thomas Aj (Chief Information Officer) Sale 7,822 41.80 326,959
2017-08-29 Nemser Earl H (Vice Chairman) Sale 782 41.80 32,687
2017-08-28 Brody Paul Jonathan (Chief Financial Officer) Sale 5,343 42.11 224,993
2017-08-28 Frank Thomas Aj (Chief Information Officer) Sale 8,418 42.11 354,481
2017-08-28 Nemser Earl H (Vice Chairman) Sale 842 42.09 35,439
2017-08-25 Brody Paul Jonathan (Chief Financial Officer) Sale 5,343 42.39 226,489
2017-08-25 Frank Thomas Aj (Chief Information Officer) Sale 11,170 42.42 473,831
2017-08-25 Nemser Earl H (Vice Chairman) Sale 807 42.42 34,232
2017-08-24 Brody Paul Jonathan (Chief Financial Officer) Sale 5,759 41.91 241,359
2017-08-24 Frank Thomas Aj (Chief Information Officer) Sale 7,823 41.91 327,861
2017-08-24 Nemser Earl H (Vice Chairman) Sale 782 41.91 32,773
2017-08-23 Brody Paul Jonathan (Chief Financial Officer) Sale 5,760 41.53 239,212
2017-08-23 Frank Thomas Aj (Chief Information Officer) Sale 8,418 41.54 349,683
2017-08-23 Nemser Earl H (Vice Chairman) Sale 842 41.51 34,951
2017-08-22 Brody Paul Jonathan (Chief Financial Officer) Sale 5,759 41.17 237,098
2017-08-22 Frank Thomas Aj (Chief Information Officer) Sale 8,418 41.17 346,569
2017-08-22 Nemser Earl H (Vice Chairman) Sale 841 41.19 34,640
2017-08-21 Brody Paul Jonathan (Chief Financial Officer) Sale 5,526 40.71 224,963
2017-08-21 Frank Thomas Aj (Chief Information Officer) Sale 8,078 40.70 328,774
2017-08-21 Nemser Earl H (Vice Chairman) Sale 808 40.68 32,869
2017-08-18 Brody Paul Jonathan (Chief Financial Officer) Sale 5,621 40.73 228,943
2017-08-18 Frank Thomas Aj (Chief Information Officer) Sale 8,418 40.74 342,949
2017-08-18 Nemser Earl H (Vice Chairman) Sale 841 40.76 34,279
2017-08-17 Brody Paul Jonathan (Chief Financial Officer) Sale 5,482 40.81 223,720
2017-08-17 Frank Thomas Aj (Chief Information Officer) Sale 8,077 40.81 329,622
2017-08-17 Nemser Earl H (Vice Chairman) Sale 808 40.78 32,950
2017-08-16 Brody Paul Jonathan (Chief Financial Officer) Sale 5,759 41.52 239,113
2017-08-16 Frank Thomas Aj (Chief Information Officer) Sale 8,418 41.51 349,431
2017-08-16 Nemser Earl H (Vice Chairman) Sale 841 41.54 34,935
2017-08-15 Brody Paul Jonathan (Chief Financial Officer) Sale 4,731 41.21 194,964
2017-08-15 Frank Thomas Aj (Chief Information Officer) Sale 8,418 41.21 346,905
2017-08-15 Nemser Earl H (Vice Chairman) Sale 842 41.19 34,681
2017-08-14 Brody Paul Jonathan (Chief Financial Officer) Sale 5,135 41.24 211,767
2017-08-14 Frank Thomas Aj (Chief Information Officer) Sale 8,418 41.26 347,326
2017-08-14 Nemser Earl H (Vice Chairman) Sale 841 41.29 34,724
2017-08-11 Brody Paul Jonathan (Chief Financial Officer) Sale 5,759 40.63 233,988
2017-08-11 Frank Thomas Aj (Chief Information Officer) Sale 7,823 40.63 317,848
2017-08-11 Nemser Earl H (Vice Chairman) Sale 782 40.63 31,772
2017-08-10 Brody Paul Jonathan (Chief Financial Officer) Sale 5,760 40.58 233,740
2017-08-10 Frank Thomas Aj (Chief Information Officer) Sale 8,418 40.60 341,770
2017-08-10 Nemser Earl H (Vice Chairman) Sale 842 40.57 34,159
2017-08-09 Brody Paul Jonathan (Chief Financial Officer) Sale 5,551 40.22 223,261
2017-08-09 Frank Thomas Aj (Chief Information Officer) Sale 8,418 40.22 338,571
2017-08-09 Nemser Earl H (Vice Chairman) Sale 841 40.24 33,841

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.