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Insider Trading: Interactive Brokers Group, Inc.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Interactive Brokers Group, Inc. in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Interactive Brokers Group, Inc. since year 2005. Table 2 shows the detailed insider transactions of Interactive Brokers Group, Inc. since 2005. The reporting company's ticker symbol is IBKR. The reporting company's CIK number is 1381197.

The total value of stock buying since 2005 is $380,650. The total value of stock sales is $0. The total value of stock exercises is $0.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at Interactive Brokers Group, Inc. (IBKR) in the past 24 months. The trade values of insider stock buys, sales, and option exercises are in logarithmic scale as shown on the right axis labels. The detailed monthly and daily insider transactions are listed in the 2 tables below.

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • $245,150

    $24,515

    $2,451

    $245

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at Interactive Brokers Group, Inc. (IBKR) in the past 24 months. See table 2 for insider transaction details.

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • $27.10

    $20.33

    $13.55

    $6.78



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Interactive Brokers Group, Inc. (IBKR).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-08 5,000 135,500 0 0 0 0
2007-07 10,000 245,150 0 0 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for Interactive Brokers Group, Inc. (IBKR)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-08-04 Harris Lawrence E (Director) Purchase 5,000 27.10 135,500
2007-07-31 Defeo Philip D (Director) Purchase 5,000 24.88 124,400
2007-07-30 Harris Lawrence E (Director) Purchase 5,000 24.15 120,750

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Interactive Brokers Group, Inc. (symbol IBKR, CIK number 1381197) see the Securities and Exchange Commission (SEC) website.

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