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Insider Trading Arrangements (Details) | 3 Months Ended
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Jun. 30, 2023 shares
Insider Trading Arrangements [Line Items] |
Material Terms of Trading Arrangement [Text Block] | Rule 10b5-1 Trading Plans The following table discloses the adoption of Rule 10b5-1 trading plans for the sale of shares of our common stock by our directors and officers (as defined in Rule 16a-1(f) under the Securities Exchange Act of 1934, as amended) during the three months ended June 30, 2023, each of which is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act.
Name |  | Title |  | Plan Adoption and/or Termination |  | Plan Adoption Date |  | Plan Expiration Date (1) |  | Purchase or Sale |  | Aggregate Number of IBKR shares to be Sold
Thomas A. Frank |  | Executive Vice President and Chief Information Officer |  | Adoption |  | June 9, 2023 |  | May 17, 2024 |  | Sale |  | 1,000,000
Paul J. Brody |  | Chief Financial Officer, Treasurer, Secretary and Director |  | Adoption |  | June 9, 2023 |  | May 17, 2024 |  | Sale |  | 500,000
__________________________ (1)Or upon the earlier completion of all authorized transactions under the plan. Other than as disclosed above, no other director or officer adopted, modified or terminated a contract, instruction or written plan for the purchase or sale of our securities intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) or a “non-Rule 10b5-1 trading arrangement”, as defined in Item 408(c) of Regulation S-K.
Non-Rule 10b5-1 Arrangement Adopted [Flag] | false
Non-Rule 10b5-1 Arrangement Terminated [Flag] | false
Thomas A. Frank [Member] |
Insider Trading Arrangements [Line Items] |
Trading Arrangement, Individual Name | Thomas A. Frank
Trading Arrangement, Individual Title | Executive Vice President and Chief Information Officer
Rule 10b5-1 Arrangement Adopted [Flag] | true
Trading Arrangement, Securities Aggregate Available Amount | 1,000,000
Trading Arrangement Adoption Date | June 9, 2023
Paul J. Brody [Member] |
Insider Trading Arrangements [Line Items] |
Trading Arrangement, Individual Name | Paul J. Brody
Trading Arrangement, Individual Title | Chief Financial Officer, Treasurer, Secretary and Director
Rule 10b5-1 Arrangement Adopted [Flag] | true
Trading Arrangement, Securities Aggregate Available Amount | 500,000
Trading Arrangement Adoption Date | June 9, 2023

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