Insider Stock Trading History of Nemser Earl H


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Nemser Earl H since year 2005. The trader's CIK number is 1391400. At the time of this reporting, Nemser Earl H is the Vice Chairman of Interactive Brokers Group, Inc. . (stock ticker symbol IBKR). See this page for all insider trading activities at Interactive Brokers Group, Inc. .


Stock purchases, sales, and option exercises reported by insider Nemser Earl H since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-10-20 IBKR Interactive Brokers Group, Inc. Sale 842 49.41 41,603
2017-10-19 IBKR Interactive Brokers Group, Inc. Sale 841 49.38 41,528
2017-10-17 IBKR Interactive Brokers Group, Inc. Sale 841 47.36 39,829
2017-10-18 IBKR Interactive Brokers Group, Inc. Sale 842 49.93 42,041
2017-10-13 IBKR Interactive Brokers Group, Inc. Sale 833 47.66 39,700
2017-10-16 IBKR Interactive Brokers Group, Inc. Sale 842 47.46 39,961
2017-10-12 IBKR Interactive Brokers Group, Inc. Sale 841 47.88 40,267
2017-10-11 IBKR Interactive Brokers Group, Inc. Sale 767 47.68 36,570
2017-10-10 IBKR Interactive Brokers Group, Inc. Sale 842 47.22 39,759
2017-10-09 IBKR Interactive Brokers Group, Inc. Sale 816 47.63 38,866
2017-10-05 IBKR Interactive Brokers Group, Inc. Sale 808 47.56 38,428
2017-10-06 IBKR Interactive Brokers Group, Inc. Sale 841 47.49 39,939
2017-10-03 IBKR Interactive Brokers Group, Inc. Sale 782 46.91 36,683
2017-10-04 IBKR Interactive Brokers Group, Inc. Sale 841 47.32 39,796
2017-10-02 IBKR Interactive Brokers Group, Inc. Sale 842 45.84 38,601
2017-09-29 IBKR Interactive Brokers Group, Inc. Sale 841 44.91 37,769
2017-09-28 IBKR Interactive Brokers Group, Inc. Sale 842 44.75 37,679
2017-09-27 IBKR Interactive Brokers Group, Inc. Sale 790 44.28 34,981
2017-09-25 IBKR Interactive Brokers Group, Inc. Sale 799 44.10 35,235
2017-09-26 IBKR Interactive Brokers Group, Inc. Sale 791 43.71 34,574
2017-09-22 IBKR Interactive Brokers Group, Inc. Sale 782 43.76 34,220
2017-09-21 IBKR Interactive Brokers Group, Inc. Sale 841 43.43 36,524
2017-09-19 IBKR Interactive Brokers Group, Inc. Sale 842 43.29 36,450
2017-09-20 IBKR Interactive Brokers Group, Inc. Sale 782 43.57 34,071
2017-09-18 IBKR Interactive Brokers Group, Inc. Sale 841 42.66 35,877
2017-09-15 IBKR Interactive Brokers Group, Inc. Sale 842 41.93 35,305
2017-09-13 IBKR Interactive Brokers Group, Inc. Sale 842 41.81 35,204
2017-09-14 IBKR Interactive Brokers Group, Inc. Sale 824 42.07 34,665
2017-09-11 IBKR Interactive Brokers Group, Inc. Sale 842 41.92 35,296
2017-09-12 IBKR Interactive Brokers Group, Inc. Sale 841 41.88 35,221
2017-09-11 IBKR Interactive Brokers Group, Inc. Sale 842 41.92 35,296
2017-09-12 IBKR Interactive Brokers Group, Inc. Sale 841 41.88 35,221
2017-09-08 IBKR Interactive Brokers Group, Inc. Sale 841 41.55 34,943
2017-09-07 IBKR Interactive Brokers Group, Inc. Sale 782 41.24 32,249
2017-09-05 IBKR Interactive Brokers Group, Inc. Sale 833 42.40 35,319
2017-09-06 IBKR Interactive Brokers Group, Inc. Sale 842 41.60 35,027
2017-09-01 IBKR Interactive Brokers Group, Inc. Sale 824 42.34 34,892
2017-08-31 IBKR Interactive Brokers Group, Inc. Sale 842 41.61 35,035
2017-08-29 IBKR Interactive Brokers Group, Inc. Sale 782 41.80 32,687
2017-08-30 IBKR Interactive Brokers Group, Inc. Sale 841 41.50 34,901
2017-08-28 IBKR Interactive Brokers Group, Inc. Sale 842 42.09 35,439
2017-08-25 IBKR Interactive Brokers Group, Inc. Sale 807 42.42 34,232
2017-08-23 IBKR Interactive Brokers Group, Inc. Sale 842 41.51 34,951
2017-08-24 IBKR Interactive Brokers Group, Inc. Sale 782 41.91 32,773
2017-08-21 IBKR Interactive Brokers Group, Inc. Sale 808 40.68 32,869
2017-08-22 IBKR Interactive Brokers Group, Inc. Sale 841 41.19 34,640
2017-08-17 IBKR Interactive Brokers Group, Inc. Sale 808 40.78 32,950
2017-08-18 IBKR Interactive Brokers Group, Inc. Sale 841 40.76 34,279
2017-08-16 IBKR Interactive Brokers Group, Inc. Sale 841 41.54 34,935
2017-08-15 IBKR Interactive Brokers Group, Inc. Sale 842 41.19 34,681
2017-08-14 IBKR Interactive Brokers Group, Inc. Sale 841 41.29 34,724
2017-08-10 IBKR Interactive Brokers Group, Inc. Sale 842 40.57 34,159
2017-08-11 IBKR Interactive Brokers Group, Inc. Sale 782 40.63 31,772
2017-08-08 IBKR Interactive Brokers Group, Inc. Sale 833 40.39 33,644
2017-08-09 IBKR Interactive Brokers Group, Inc. Sale 841 40.24 33,841
2017-08-07 IBKR Interactive Brokers Group, Inc. Sale 842 40.37 33,991
2017-08-04 IBKR Interactive Brokers Group, Inc. Sale 765 40.69 31,127
2017-08-02 IBKR Interactive Brokers Group, Inc. Sale 816 40.30 32,884
2017-08-03 IBKR Interactive Brokers Group, Inc. Sale 841 40.54 34,094
2016-04-22 IBKR Interactive Brokers Group, Inc. Sale 4,000 40.21 160,840
2015-11-12 IBKR Interactive Brokers Group, Inc. Sale 1,117 42.16 47,092
2015-11-10 IBKR Interactive Brokers Group, Inc. Sale 1,303 43.09 56,152
2015-11-11 IBKR Interactive Brokers Group, Inc. Sale 1,298 43.10 55,943
2015-11-09 IBKR Interactive Brokers Group, Inc. Sale 1,259 43.38 54,615
2015-11-06 IBKR Interactive Brokers Group, Inc. Sale 1,274 43.62 55,578
2015-11-04 IBKR Interactive Brokers Group, Inc. Sale 1,303 41.86 54,543
2015-11-05 IBKR Interactive Brokers Group, Inc. Sale 1,262 41.80 52,751
2015-11-02 IBKR Interactive Brokers Group, Inc. Sale 1,303 42.35 55,188
2015-11-03 IBKR Interactive Brokers Group, Inc. Sale 1,302 42.42 55,230
2015-10-29 IBKR Interactive Brokers Group, Inc. Sale 1,295 41.54 53,794
2015-10-30 IBKR Interactive Brokers Group, Inc. Sale 1,291 41.28 53,292
2015-10-28 IBKR Interactive Brokers Group, Inc. Sale 1,260 40.82 51,429
2015-10-27 IBKR Interactive Brokers Group, Inc. Sale 1,298 39.64 51,452
2015-10-23 IBKR Interactive Brokers Group, Inc. Sale 1,270 39.04 49,580
2015-10-26 IBKR Interactive Brokers Group, Inc. Sale 1,303 39.58 51,572
2015-10-21 IBKR Interactive Brokers Group, Inc. Sale 1,216 39.07 47,509
2015-10-22 IBKR Interactive Brokers Group, Inc. Sale 1,298 38.57 50,063
2015-10-19 IBKR Interactive Brokers Group, Inc. Sale 1,252 39.80 49,829
2015-10-20 IBKR Interactive Brokers Group, Inc. Sale 1,256 40.50 50,868
2015-10-16 IBKR Interactive Brokers Group, Inc. Sale 1,302 39.01 50,791
2015-10-15 IBKR Interactive Brokers Group, Inc. Sale 1,302 38.05 49,547
2015-10-13 IBKR Interactive Brokers Group, Inc. Sale 1,273 38.78 49,373
2015-10-14 IBKR Interactive Brokers Group, Inc. Sale 1,303 37.09 48,328
2015-10-08 IBKR Interactive Brokers Group, Inc. Sale 1,302 39.57 51,520
2015-10-09 IBKR Interactive Brokers Group, Inc. Sale 1,292 39.42 50,937
2015-10-06 IBKR Interactive Brokers Group, Inc. Sale 1,302 39.66 51,630
2015-10-07 IBKR Interactive Brokers Group, Inc. Sale 1,303 39.27 51,168
2015-10-02 IBKR Interactive Brokers Group, Inc. Sale 1,302 38.70 50,393
2015-10-05 IBKR Interactive Brokers Group, Inc. Sale 1,303 39.93 52,028
2015-09-30 IBKR Interactive Brokers Group, Inc. Sale 1,302 39.00 50,778
2015-10-01 IBKR Interactive Brokers Group, Inc. Sale 1,303 39.91 51,996
2015-09-28 IBKR Interactive Brokers Group, Inc. Sale 1,288 39.37 50,708
2015-09-29 IBKR Interactive Brokers Group, Inc. Sale 1,212 38.01 46,068
2015-09-24 IBKR Interactive Brokers Group, Inc. Sale 1,302 39.19 51,025
2015-09-25 IBKR Interactive Brokers Group, Inc. Sale 1,238 40.43 50,052
2015-09-23 IBKR Interactive Brokers Group, Inc. Sale 1,303 39.28 51,181
2015-09-22 IBKR Interactive Brokers Group, Inc. Sale 1,302 38.89 50,634
2015-09-18 IBKR Interactive Brokers Group, Inc. Sale 1,292 38.70 50,000
2015-09-21 IBKR Interactive Brokers Group, Inc. Sale 1,302 39.33 51,207
2015-09-16 IBKR Interactive Brokers Group, Inc. Sale 1,303 39.09 50,940
2015-09-17 IBKR Interactive Brokers Group, Inc. Sale 1,302 39.77 51,780
2015-09-16 IBKR Interactive Brokers Group, Inc. Sale 1,303 39.09 50,940
2015-09-17 IBKR Interactive Brokers Group, Inc. Sale 1,302 39.77 51,780
2015-09-14 IBKR Interactive Brokers Group, Inc. Sale 1,303 38.06 49,592
2015-09-15 IBKR Interactive Brokers Group, Inc. Sale 1,273 38.49 48,997
2015-09-10 IBKR Interactive Brokers Group, Inc. Sale 1,302 38.23 49,775
2015-09-11 IBKR Interactive Brokers Group, Inc. Sale 1,259 38.00 47,842
2015-09-08 IBKR Interactive Brokers Group, Inc. Sale 1,302 38.15 49,671
2015-09-09 IBKR Interactive Brokers Group, Inc. Sale 1,263 38.80 49,004
2015-09-03 IBKR Interactive Brokers Group, Inc. Sale 1,302 38.08 49,573
2015-09-04 IBKR Interactive Brokers Group, Inc. Sale 1,293 37.29 48,215
2015-09-02 IBKR Interactive Brokers Group, Inc. Sale 1,288 38.04 48,999
2015-09-01 IBKR Interactive Brokers Group, Inc. Sale 1,303 38.92 50,719
2015-08-31 IBKR Interactive Brokers Group, Inc. Sale 1,212 39.95 48,413
2015-08-28 IBKR Interactive Brokers Group, Inc. Sale 1,302 40.05 52,145
2015-08-26 IBKR Interactive Brokers Group, Inc. Sale 1,248 37.50 46,800
2015-08-27 IBKR Interactive Brokers Group, Inc. Sale 1,303 39.27 51,168
2015-08-24 IBKR Interactive Brokers Group, Inc. Sale 1,263 37.03 46,765
2015-08-25 IBKR Interactive Brokers Group, Inc. Sale 1,255 37.91 47,577
2015-08-21 IBKR Interactive Brokers Group, Inc. Sale 1,302 39.45 51,357
2015-08-20 IBKR Interactive Brokers Group, Inc. Sale 1,303 41.04 53,475
2015-08-18 IBKR Interactive Brokers Group, Inc. Sale 1,303 42.42 55,273
2015-08-19 IBKR Interactive Brokers Group, Inc. Sale 1,291 41.91 54,105
2015-08-14 IBKR Interactive Brokers Group, Inc. Sale 1,295 41.80 54,130
2015-08-17 IBKR Interactive Brokers Group, Inc. Sale 1,266 42.24 53,475
2015-08-12 IBKR Interactive Brokers Group, Inc. Sale 1,302 41.15 53,577
2015-08-13 IBKR Interactive Brokers Group, Inc. Sale 1,303 41.73 54,374
2015-08-10 IBKR Interactive Brokers Group, Inc. Sale 1,302 43.11 56,129
2015-08-11 IBKR Interactive Brokers Group, Inc. Sale 1,281 42.15 53,994
2015-08-06 IBKR Interactive Brokers Group, Inc. Sale 1,302 43.16 56,194
2015-08-07 IBKR Interactive Brokers Group, Inc. Sale 1,303 42.55 55,442
2015-08-05 IBKR Interactive Brokers Group, Inc. Sale 1,245 43.89 54,643
2015-08-04 IBKR Interactive Brokers Group, Inc. Sale 1,288 43.79 56,401
2015-07-31 IBKR Interactive Brokers Group, Inc. Sale 1,302 40.33 52,509
2015-08-03 IBKR Interactive Brokers Group, Inc. Sale 1,299 41.60 54,042
2015-07-29 IBKR Interactive Brokers Group, Inc. Sale 1,302 41.16 53,590
2015-07-30 IBKR Interactive Brokers Group, Inc. Sale 1,137 40.99 46,605
2015-07-28 IBKR Interactive Brokers Group, Inc. Sale 1,256 41.53 52,161
2015-07-27 IBKR Interactive Brokers Group, Inc. Sale 1,251 41.32 51,691
2015-01-09 IBKR Interactive Brokers Group, Inc. Sale 455 29.24 13,304
2015-01-07 IBKR Interactive Brokers Group, Inc. Sale 2,135 28.65 61,167
2015-01-08 IBKR Interactive Brokers Group, Inc. Sale 2,171 29.35 63,718
2015-01-05 IBKR Interactive Brokers Group, Inc. Sale 2,112 28.89 61,015
2015-01-06 IBKR Interactive Brokers Group, Inc. Sale 2,194 28.68 62,923
2014-12-31 IBKR Interactive Brokers Group, Inc. Sale 2,157 29.34 63,286
2015-01-02 IBKR Interactive Brokers Group, Inc. Sale 2,120 28.84 61,140
2014-12-30 IBKR Interactive Brokers Group, Inc. Sale 2,209 29.30 64,723
2014-12-29 IBKR Interactive Brokers Group, Inc. Sale 2,156 29.50 63,602
2014-12-24 IBKR Interactive Brokers Group, Inc. Sale 1,185 29.67 35,158
2014-12-26 IBKR Interactive Brokers Group, Inc. Sale 1,782 29.48 52,533
2014-12-22 IBKR Interactive Brokers Group, Inc. Sale 2,106 29.33 61,768
2014-12-23 IBKR Interactive Brokers Group, Inc. Sale 2,090 29.56 61,780
2014-12-19 IBKR Interactive Brokers Group, Inc. Sale 2,090 28.85 60,296
2014-12-18 IBKR Interactive Brokers Group, Inc. Sale 2,164 28.13 60,873
2014-12-16 IBKR Interactive Brokers Group, Inc. Sale 2,209 27.32 60,349
2014-12-17 IBKR Interactive Brokers Group, Inc. Sale 2,120 27.49 58,278
2014-12-15 IBKR Interactive Brokers Group, Inc. Sale 2,068 27.54 56,952
2014-12-12 IBKR Interactive Brokers Group, Inc. Sale 2,061 27.67 57,027
2014-12-10 IBKR Interactive Brokers Group, Inc. Sale 2,120 28.44 60,292
2014-12-11 IBKR Interactive Brokers Group, Inc. Sale 2,201 28.40 62,508
2014-12-08 IBKR Interactive Brokers Group, Inc. Sale 2,046 28.04 57,369
2014-12-09 IBKR Interactive Brokers Group, Inc. Sale 2,209 28.03 61,918
2014-12-05 IBKR Interactive Brokers Group, Inc. Sale 2,187 27.86 60,929
2014-12-04 IBKR Interactive Brokers Group, Inc. Sale 2,208 27.55 60,830
2014-12-02 IBKR Interactive Brokers Group, Inc. Sale 2,209 27.32 60,349
2014-12-03 IBKR Interactive Brokers Group, Inc. Sale 2,149 27.46 59,011
2014-12-01 IBKR Interactive Brokers Group, Inc. Sale 2,208 27.10 59,836
2014-11-28 IBKR Interactive Brokers Group, Inc. Sale 1,141 27.38 31,240
2014-11-25 IBKR Interactive Brokers Group, Inc. Sale 2,208 27.51 60,742
2014-11-26 IBKR Interactive Brokers Group, Inc. Sale 1,576 27.40 43,182
2014-11-24 IBKR Interactive Brokers Group, Inc. Sale 2,105 27.24 57,340
2014-11-21 IBKR Interactive Brokers Group, Inc. Sale 2,209 27.02 59,687
2014-11-20 IBKR Interactive Brokers Group, Inc. Sale 2,142 26.95 57,726
2014-11-19 IBKR Interactive Brokers Group, Inc. Sale 2,134 26.94 57,489
2014-11-17 IBKR Interactive Brokers Group, Inc. Sale 2,068 27.34 56,539
2014-11-18 IBKR Interactive Brokers Group, Inc. Sale 2,209 27.40 60,526
2014-11-14 IBKR Interactive Brokers Group, Inc. Sale 2,032 27.01 54,884
2014-11-13 IBKR Interactive Brokers Group, Inc. Sale 1,995 26.91 53,685
2014-11-11 IBKR Interactive Brokers Group, Inc. Sale 1,804 26.95 48,617
2014-11-12 IBKR Interactive Brokers Group, Inc. Sale 2,208 26.94 59,483
2014-11-10 IBKR Interactive Brokers Group, Inc. Sale 1,995 27.05 53,964
2014-11-07 IBKR Interactive Brokers Group, Inc. Sale 2,105 26.85 56,519
2014-11-06 IBKR Interactive Brokers Group, Inc. Sale 2,105 26.45 55,677
2014-11-05 IBKR Interactive Brokers Group, Inc. Sale 2,142 26.28 56,291
2014-11-03 IBKR Interactive Brokers Group, Inc. Sale 2,193 26.14 57,325
2014-11-04 IBKR Interactive Brokers Group, Inc. Sale 2,187 26.21 57,321
2014-10-31 IBKR Interactive Brokers Group, Inc. Sale 2,113 25.89 54,705
2014-10-30 IBKR Interactive Brokers Group, Inc. Sale 2,208 25.66 56,657
2014-02-24 IBKR Interactive Brokers Group, Inc. Sale 562 21.85 12,279
2014-02-20 IBKR Interactive Brokers Group, Inc. Sale 7,737 21.66 167,583
2014-02-21 IBKR Interactive Brokers Group, Inc. Sale 7,738 21.89 169,384
2014-02-18 IBKR Interactive Brokers Group, Inc. Sale 7,737 21.69 167,815
2014-02-19 IBKR Interactive Brokers Group, Inc. Sale 7,737 21.56 166,809
2014-02-13 IBKR Interactive Brokers Group, Inc. Sale 7,954 21.81 173,476
2014-02-14 IBKR Interactive Brokers Group, Inc. Sale 6,119 21.68 132,659
2014-02-11 IBKR Interactive Brokers Group, Inc. Sale 7,052 21.72 153,169
2014-02-12 IBKR Interactive Brokers Group, Inc. Sale 7,011 21.64 151,718
2014-02-07 IBKR Interactive Brokers Group, Inc. Sale 3,345 21.65 72,419
2014-02-10 IBKR Interactive Brokers Group, Inc. Sale 6,095 21.84 133,114
2014-02-05 IBKR Interactive Brokers Group, Inc. Sale 7,274 21.10 153,481
2014-02-06 IBKR Interactive Brokers Group, Inc. Sale 7,737 21.35 165,184
2014-02-04 IBKR Interactive Brokers Group, Inc. Sale 7,737 20.98 162,322
2014-02-03 IBKR Interactive Brokers Group, Inc. Sale 7,738 20.81 161,027
2014-01-30 IBKR Interactive Brokers Group, Inc. Sale 7,690 21.37 164,335
2014-01-31 IBKR Interactive Brokers Group, Inc. Sale 7,289 21.16 154,235
2014-01-29 IBKR Interactive Brokers Group, Inc. Sale 7,630 21.48 163,892
2014-01-28 IBKR Interactive Brokers Group, Inc. Sale 7,719 21.11 162,948
2014-01-27 IBKR Interactive Brokers Group, Inc. Sale 7,737 21.59 167,080
2014-01-24 IBKR Interactive Brokers Group, Inc. Sale 7,737 21.98 170,059
2014-01-22 IBKR Interactive Brokers Group, Inc. Sale 7,701 22.32 171,847
2014-01-23 IBKR Interactive Brokers Group, Inc. Sale 7,547 22.32 168,449
2014-01-17 IBKR Interactive Brokers Group, Inc. Sale 7,297 22.87 166,882
2014-01-21 IBKR Interactive Brokers Group, Inc. Sale 7,595 22.78 173,014
2014-01-15 IBKR Interactive Brokers Group, Inc. Sale 7,535 23.00 173,305
2014-01-16 IBKR Interactive Brokers Group, Inc. Sale 7,177 22.89 164,281
2014-01-13 IBKR Interactive Brokers Group, Inc. Sale 7,737 22.79 176,326
2014-01-14 IBKR Interactive Brokers Group, Inc. Sale 7,535 22.95 172,928
2014-01-10 IBKR Interactive Brokers Group, Inc. Sale 7,404 22.88 169,403
2014-01-09 IBKR Interactive Brokers Group, Inc. Sale 7,738 22.95 177,587
2014-01-07 IBKR Interactive Brokers Group, Inc. Sale 7,690 24.14 185,636
2014-01-08 IBKR Interactive Brokers Group, Inc. Sale 7,689 23.80 183,036
2014-01-03 IBKR Interactive Brokers Group, Inc. Sale 7,738 24.51 189,658
2014-01-06 IBKR Interactive Brokers Group, Inc. Sale 7,737 24.33 188,241
2014-01-02 IBKR Interactive Brokers Group, Inc. Sale 7,618 24.33 185,345
2013-12-31 IBKR Interactive Brokers Group, Inc. Sale 5,952 24.38 145,109
2013-12-30 IBKR Interactive Brokers Group, Inc. Sale 6,178 24.48 151,237
2013-12-27 IBKR Interactive Brokers Group, Inc. Sale 4,832 24.49 118,335
2013-12-24 IBKR Interactive Brokers Group, Inc. Sale 3,387 24.42 82,710
2013-12-26 IBKR Interactive Brokers Group, Inc. Sale 7,738 24.70 191,128
2013-12-23 IBKR Interactive Brokers Group, Inc. Sale 7,442 24.39 181,510
2013-12-20 IBKR Interactive Brokers Group, Inc. Sale 7,082 24.24 171,667
2013-12-18 IBKR Interactive Brokers Group, Inc. Sale 7,737 24.12 186,616
2013-12-19 IBKR Interactive Brokers Group, Inc. Sale 7,357 24.45 179,878
2013-12-16 IBKR Interactive Brokers Group, Inc. Sale 6,940 24.34 168,919
2013-12-17 IBKR Interactive Brokers Group, Inc. Sale 6,649 24.23 161,105
2013-12-13 IBKR Interactive Brokers Group, Inc. Sale 7,627 24.46 186,556
2013-12-12 IBKR Interactive Brokers Group, Inc. Sale 5,749 24.44 140,505
2013-12-11 IBKR Interactive Brokers Group, Inc. Sale 7,737 24.14 186,771
2013-12-10 IBKR Interactive Brokers Group, Inc. Sale 7,500 24.19 181,425
2013-12-06 IBKR Interactive Brokers Group, Inc. Sale 7,737 24.71 191,181
2013-12-09 IBKR Interactive Brokers Group, Inc. Sale 6,749 24.34 164,270
2013-12-05 IBKR Interactive Brokers Group, Inc. Sale 6,566 24.60 161,523
2013-12-04 IBKR Interactive Brokers Group, Inc. Sale 7,737 24.53 189,788
2013-12-02 IBKR Interactive Brokers Group, Inc. Sale 7,309 24.61 179,874
2013-12-03 IBKR Interactive Brokers Group, Inc. Sale 7,737 24.52 189,711
2013-11-27 IBKR Interactive Brokers Group, Inc. Sale 4,952 24.21 119,887
2013-11-29 IBKR Interactive Brokers Group, Inc. Sale 3,523 24.26 85,467
2013-11-26 IBKR Interactive Brokers Group, Inc. Sale 4,906 24.22 118,823
2013-11-25 IBKR Interactive Brokers Group, Inc. Sale 7,211 24.32 175,371
2013-11-21 IBKR Interactive Brokers Group, Inc. Sale 7,284 24.26 176,709
2013-11-22 IBKR Interactive Brokers Group, Inc. Sale 4,583 24.12 110,541
2013-11-19 IBKR Interactive Brokers Group, Inc. Sale 7,534 23.83 179,535
2013-11-20 IBKR Interactive Brokers Group, Inc. Sale 7,512 23.70 178,034

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Nemser Earl H (Vice Chairman of Interactive Brokers Group, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.