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Tuesday, December 1, 2009, 10:52PM ET - U.S. Markets Closed. Dow Up 1.23% Nasdaq Up 1.46%
Interactive Brokers Group, Inc. (IBKR)At 4:00PM ET: 17.58  Up 0.65 (3.84%)  
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Insider TransactionsGet Insider Transactions for:
NET SHARE PURCHASE ACTIVITY
Insider Purchases - Last 6 Months
 SharesTrans
Purchases561,2605
SalesN/A0
Net Shares Purchased
(Sold)
561,2605
Total Insider Shares Held2.69M N/A
% Net Shares Purchased
(Sold)
26.3% N/A
Net Institutional Purchases - Prior Qtr to Latest Qtr
 Shares
Net Shares Purchased (Sold)(16,415,400)
% Change in Institutional Shares Held(104.1%)
Data provided by Thomson Financial

INSIDER TRANSACTIONS REPORTED - LAST TWO YEARS
DateInsiderSharesTypeTransactionValue*
6-Aug-09TCV VII LP
Other
42,258IndirectPurchase at $19.12 per share.$807,972
6-Aug-09TCV VI L P
Other
17,904IndirectPurchase at $19.12 per share.$342,324
5-Aug-09TCV VII LP
Other
108,873IndirectPurchase at $19.10 per share.$2,079,474
5-Aug-09TCV VI L P
Other
46,127IndirectPurchase at $19.10 per share.$881,025
4-Aug-09TCV VII LP
Other
39,335IndirectPurchase at $19.03 per share.$748,545
4-Aug-09TCV VI L P
Other
16,665IndirectPurchase at $19.03 per share.$317,134
30-Jul-09TCV VII LP
Other
27,884IndirectPurchase at $18.60 per share.$518,642
30-Jul-09TCV VI L P
Other
11,814IndirectPurchase at $18.60 per share.$219,740
29-Jul-09TCV VII LP
Other
172,371IndirectPurchase at $18.15 per share.$3,128,533
29-Jul-09TCV VI L P
Other
73,029IndirectPurchase at $18.15 per share.$1,325,476
28-Jul-09TCV VII LP
Other
2,034,908IndirectStatement of OwnershipN/A
28-Jul-09TCV VI L P
Other
1,190,377IndirectStatement of OwnershipN/A
9-May-09GALIK MILAN
Officer
13,714DirectDisposition (Non Open Market) at $15.83 per share.$217,092
9-May-09GALIK MILAN
Officer
43,603DirectAcquisition (Non Open Market) at $17.24 - $31.14 per share.N/A
9-May-09BRODY PAUL JONATHAN
Officer
4,897DirectDisposition (Non Open Market) at $15.83 per share.$77,519
9-May-09BRODY PAUL JONATHAN
Officer
15,569DirectAcquisition (Non Open Market) at $17.24 - $31.14 per share.N/A
9-May-09NEMSER EARL H
Officer
3,655DirectAcquisition (Non Open Market) at $17.24 - $31.14 per share.N/A
9-May-09FRANK THOMAS AJ
Officer
8,870DirectAcquisition (Non Open Market) at $17.24 - $31.14 per share.N/A
1-May-09HARRIS LAWRENCE E
Director
5,000DirectPurchase at $14.23 per share.$71,150
2-Feb-09HARRIS LAWRENCE E
Director
5,000DirectPurchase at $14.55 - $14.62 per share.$73,0002
31-Jan-09HARRIS LAWRENCE E
Director
5,000DirectPurchase at $15.15 - $15.28 per share.$76,0002
31-Dec-08HARRIS LAWRENCE E
Director
464DirectAcquisition (Non Open Market) at $32.32 per share.$14,996
27-Dec-08HARRIS LAWRENCE E
Director
1,000DirectPurchase at $18.65 per share.$18,650
27-Oct-08HARRIS LAWRENCE E
Director
4,000DirectPurchase at $18.20 - $18.67 per share.$74,0002
4-Aug-08HARRIS LAWRENCE E
Director
5,000DirectPurchase at $27.10 per share.$135,500
9-May-08GALIK MILAN
Officer
6,725DirectDisposition (Non Open Market) at $32.62 per share.$219,369
9-May-08GALIK MILAN
Officer
21,381DirectAcquisition (Non Open Market) at $30.01 - $31.14 per share.$654,0002
9-May-08BRODY PAUL JONATHAN
Officer
2,111DirectDisposition (Non Open Market) at $32.62 per share.$68,860
9-May-08BRODY PAUL JONATHAN
Officer
6,710DirectAcquisition (Non Open Market) at $30.01 - $31.14 per share.$205,0002
9-May-08NEMSER EARL H
Officer
568DirectDisposition (Non Open Market) at $32.62 per share.$18,528
9-May-08NEMSER EARL H
Officer
1,802DirectAcquisition (Non Open Market) at $30.01 - $31.14 per share.$55,0002
9-May-08FRANK THOMAS AJ
Officer
4,426DirectAcquisition (Non Open Market) at $30.01 - $31.14 per share.$135,0002
Data provided by EDGAR Online
* = Where indicated, some values are estimates.
1 = Potential proceeds estimated by the filer.
2 = Estimated based on the average of multiple prices reported.
3 = Multiple dates reported. Most recent date shown.
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