$IBKR 3/A SEC Filings

Filed On	Filing
30 Jul 2009	Form 3/A: Tcv Vi L P, May be part of a 13(d) group and 7 others Holds 1,322,431 shares of Common Stock
04 May 2007	Form 3/A: Peterffy Thomas, Director No securities owned
04 May 2007	Form 3/A: Brody Paul Jonathan, Director Holds 2,332 shares of Class A Common Stock
04 May 2007	Form 3/A: Nemser Earl H, Director Holds 666 shares of Class A Common Stock

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