Interactive Brokers Group, Inc. / Investor transactions / Mark Massey

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    Showing transactions by Mark Massey in Interactive Brokers Group, Inc..

    Quarter Type Shares before Shares after Change Price range
    Sell 109K 29K -80K
    Sell 132K 109K -24K

    Transactions may be incomplete if the investor has purchased shares of the company before they reached the threshold for reporting set in the Securites Exchange Act or other applicable laws.

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