Insider Stock Trading History of Harris Lawrence E


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 Harris Lawrence E since year 2005. The trader's CIK number is 1406586. At the time of this reporting, Harris Lawrence E is the Director 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 Harris Lawrence E since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2011-07-26 IBKR Interactive Brokers Group, Inc. Buy 10,000 15.12 151,200
2011-07-25 IBKR Interactive Brokers Group, Inc. Buy 15,000 15.20 228,000
2009-05-01 IBKR Interactive Brokers Group, Inc. Buy 5,000 14.23 71,150
2009-02-02 IBKR Interactive Brokers Group, Inc. Buy 5,000 14.59 72,970
2009-01-31 IBKR Interactive Brokers Group, Inc. Buy 5,000 15.20 76,000
2008-12-27 IBKR Interactive Brokers Group, Inc. Buy 1,000 18.65 18,650
2008-10-27 IBKR Interactive Brokers Group, Inc. Buy 4,000 18.37 73,468
2008-08-04 IBKR Interactive Brokers Group, Inc. Buy 5,000 27.10 135,500
2007-07-30 IBKR Interactive Brokers Group, Inc. Buy 5,000 24.15 120,750

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 Harris Lawrence E (Director of Interactive Brokers Group, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.