Damgard John M.

Related Filers (1)

Ownership (3)

4
Thursday, 1/6/2022
Interactive Brokers Group, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 1/3/2019
Interactive Brokers Group, Inc.: Statement of changes in beneficial ownership of securities
3
Wednesday, 12/19/2018
Interactive Brokers Group, Inc.: Initial statement of beneficial ownership of securities
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