Harris Lawrence E

Insider Buys Quantity –
10
2011-08-01PurchaseInteractive Brokers Group, Inc.
IBKR
director
10,000
0.0025%
$14.98$149,800-0.53%
2011-07-26PurchaseInteractive Brokers Group, Inc.
IBKR
director
20,000
0.005%
$15.12$302,400+0.27%
2011-07-25PurchaseInteractive Brokers Group, Inc.
IBKR
director
30,000
0.0075%
$15.20$456,000-0.99%
2009-05-01PurchaseInteractive Brokers Group, Inc.
IBKR
director
10,000
0.0025%
$14.23$142,300+18.96%
2009-02-02PurchaseInteractive Brokers Group, Inc.
IBKR
director
10,000
0.0024%
$14.57$145,720+9.77%
2009-01-31PurchaseInteractive Brokers Group, Inc.
IBKR
director
10,000
0.0025%
$15.18$151,800
2008-12-27PurchaseInteractive Brokers Group, Inc.
IBKR
director
2,000
0.0006%
$18.43$36,850
2008-10-27PurchaseInteractive Brokers Group, Inc.
IBKR
director
8,000
0.002%
$18.28$146,270-9.26%
2008-08-04PurchaseInteractive Brokers Group, Inc.
IBKR
director
10,000
0.0025%
$27.10$271,000-38.59%
2007-07-30PurchaseInteractive Brokers Group, Inc.
IBKR
director
10,000
0.0024%
$24.11$241,050+21.14%