Interactive Brokers CIO adopts Rule 10b5-1 plan to sell 2M shares

Interactive Brokers Group, Inc.

Dr. Thomas Frank, EVP and CIO, adopted a plan on July 30, 2021 to sell 2,000,000 Class A common shares.
Shares were obtained through partial redemption of his interests in IBG Holdings LLC per prospectus supplement.
Sales will occur over time at market prices; Frank has no control over timing; plan valid until July 20, 2022.
Plan adopted for personal tax, asset diversification, and liquidity purposes.

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