Interactive Brokers Group, INC Form 4 insider transactions

Earl H Nemser, Vice Chairman and a Director of Interactive Brokers Group, Inc., received 803,568 shares of common stock on July 31, 2026.

Lori A Conkling, a Director of Interactive Brokers Group, Inc., purchased 25 shares of common stock on August 3, 2026 for $87.03 per share.

Lori Conkling, a Director at Interactive Brokers Group, Inc., reported the acquisition of 25 shares of Class A common stock on July 1, 2026, for $88.03 per share.

Lori Conkling, a Director at Interactive Brokers Group, Inc., reported the acquisition of 25 shares of Class A common stock on June 1, 2026, under a Rule 10b5-1(c) trading plan.

Interactive Brokers Group CFO Paul Brody disposed of 82,920 shares of Class A common stock to satisfy tax withholding obligations.

Chief Accounting Officer Denis Mendonca disposed of 11,157 shares of Interactive Brokers Group, Inc. to cover tax obligations.

CEO Milan Galik disposed of 255,039 shares of Interactive Brokers Group, Inc. Class A common stock to satisfy tax withholding obligations.

Executive Vice President Thomas Frank disposed of 31,730 shares of Interactive Brokers Group, Inc. to satisfy tax withholding obligations.

Vice Chairman Earl H. Nemser disposed of 22,486 shares of Interactive Brokers Group, Inc. to satisfy tax withholding obligations.

Lori Conkling, a Director at Interactive Brokers Group, Inc., reported the acquisition of 25 shares of Class A common stock on May 1, 2026, for $79.64 per share.

Director Lawrence E. Harris reported a sale of 26,000 shares of Interactive Brokers Group, Inc. Class A common stock for an aggregate price of $76.93 per share.

Interactive Brokers Director Lori A Conkling reported the acquisition of Class A common stock through a 10b5-1 plan, correcting a previous oversight.

Interactive Brokers Group, Inc. Vice Chairman Earl H Nemser reported the sale of 155,000 Class A common stock shares over two days in late January 2026.

Interactive Brokers Vice Chairman Earl H Nemser sold 245,000 Class A common stock shares in pre-planned transactions in January 2026.

Interactive Brokers Group, Inc. director William Peterffy acquired 389 Class A common shares after the Board of Directors increased annual awards for directors from $25,000 to $50,000.

Interactive Brokers Group, Inc. Vice Chairman Earl H Nemser acquired 389 Class A common shares following a board compensation policy change.

Interactive Brokers Group, Inc. CFO Paul J. Brody received 389 additional Class A common stock shares as part of an increased director compensation policy, vesting on January 1, 2026.

Interactive Brokers CEO Milan Galik acquired 389 shares of Class A common stock following a board compensation policy change.

Interactive Brokers Group Director Lawrence E. Harris acquired 389 shares of Class A common stock following a board compensation policy change.

Interactive Brokers Group, Inc. increased its director compensation, leading to additional restricted stock unit awards for Director Lori A. Conkling.

Interactive Brokers Group director Jill Bright acquired 389 shares of Class A common stock following a board compensation policy modification that doubled annual awards.

Interactive Brokers Group, Inc. director Nicole Yuen received an increased restricted stock unit award following a board compensation policy change.

Interactive Brokers Group Director Richard H Repetto acquired 389 shares of Class A common stock following a board decision to increase director annual awards.

Interactive Brokers Group CFO Paul J. Brody was granted 53,452 restricted stock units and 389 immediately vested restricted stock units.

Interactive Brokers Group Director Lawrence E. Harris acquired 389 shares of Class A common stock as an annual grant, increasing his direct beneficial ownership to 199,093 shares.

Interactive Brokers Group Director Jill Bright acquired 389 shares of Class A common stock through an annual restricted stock unit grant, increasing her direct beneficial ownership to 10,693 shares.

Interactive Brokers CEO Milan Galik reported the acquisition of 225,039 Class A common stock through restricted stock unit grants.

Interactive Brokers Director Richard Repetto acquired 389 shares of Class A common stock through an RSU grant, increasing his direct beneficial ownership to 2,657 shares.

Interactive Brokers Group, Inc. Executive Vice President Thomas AJ Frank was granted 13,944 restricted stock units and saw his holdings adjusted for a four-for-one stock split.

Interactive Brokers Group, Inc. Vice Chairman Earl H. Nemser reported acquiring 23,629 shares of Class A common stock through restricted stock unit grants.