Lawrence E. Harris to Sell 75,000 Shares of Interactive Brokers Group, Inc.

Lawrence E. Harris, a director of Interactive Brokers Group, Inc., has filed a Form 144 to sell 75,000 shares of Class A common stock. The shares were acquired through open market transactions between July 30, 2007, and January 30, 2009. The total market value of the shares to be sold is approximately $4,857,750. The sale is expected to occur on or around October 23, 2025. The filing also notes that the amount of securities acquired has been adjusted to reflect a four-for-one stock split effected by the Issuer on June 17, 2025. There are no securities sold in the past three months to report.