Interactive Brokers Group, Inc. director Lawrence E. Harris filed a Form 4 on October 29, 2026, reporting the sale of 25,000 shares of Class A common stock on October 28, 2026.

Key Highlights

  • Reporting person: Lawrence E. Harris, listed as a Director of Interactive Brokers Group, Inc.
  • Transaction: Disposition (transaction code S) of 25,000 shares of Class A common stock on October 28, 2026.
  • Weighted average price: $82.61 per share, with individual sales ranging from $82.20 to $82.83.
  • Remaining direct ownership: 148,482 shares of Class A common stock beneficially owned directly following the transaction.
  • Multiple transactions: The shares were sold in multiple transactions; full per-price detail is available upon request to the company, any security holder, or SEC staff.

Lawrence E. Harris Reports October 28 Share Sale at Interactive Brokers Group

According to the Form 4 filed with the Securities and Exchange Commission on October 29, 2026, Lawrence E. Harris, a director of Interactive Brokers Group, Inc. (NASDAQ:IBKR), disposed of 25,000 shares of Class A common stock on October 28, 2026. The filing was signed by Raymond Bussiere as authorized signatory for Lawrence E. Harris.

The filing disclosed that the $82.61 price per share reported is a weighted average. Per footnote 1 of the filing, "these shares were sold in multiple transactions at prices ranging from $82.20 to $82.83." The filing states that Harris "undertakes to provide Interactive Brokers Group, Inc. (the 'Company'), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnote (1)."

Following the reported transaction, Harris directly holds 148,482 shares of Class A common stock, according to the filing. No derivative securities were reported in Table II of the form. The filing indicates this was filed by one reporting person and does not note any amendment to a prior filing.

What Was Disclosed

Director Lawrence E. Harris reported the sale of 25,000 shares of Interactive Brokers Group Class A common stock on October 28, 2026, at a weighted average price of $82.61, leaving him with 148,482 shares held directly.