Interactive Brokers Group, Inc. (IBKR) Insider Trading -- Recent Executive & Director Transactions

12 insiders reported 136 Form 4 transactions for Interactive Brokers Group, Inc. (IBKR) over the past 18 months (most recent 2026-06-02). Recent activity: Conkling Lori A (Director) Buy 25 shares, Conkling Lori A (Director) Buy 25 shares, Conkling Lori A (Director) Buy 50 shares, Conkling Lori A (Director) Buy 25 shares, Nemser Earl H (Vice Chairman) Sell 60,882 shares. Source: SEC Form 4.

DateInsiderTitleTypeSharesValue
2026-06-02Conkling Lori ADirectorBuy25$2,152
2026-04-02Conkling Lori ADirectorBuy25$1,710
2026-03-26Conkling Lori ADirectorBuy50$3,660
2026-03-26Conkling Lori ADirectorBuy25$1,730
2026-01-28Nemser Earl HVice ChairmanSell60,882$4.6M
2026-01-28Nemser Earl HVice ChairmanSell30,817$2.4M
2026-01-28Nemser Earl HVice ChairmanSell3,101$241,816
2026-01-28Nemser Earl HVice ChairmanSell39,731$3.0M
2026-01-28Nemser Earl HVice ChairmanSell20,469$1.6M
2026-01-26Galik MilanChief Executive OfficerBuy389$25,017
2026-01-26Nemser Earl HVice ChairmanSell84,935$6.6M
2026-01-26Nemser Earl HVice ChairmanSell60,065$4.7M
2026-01-26Nemser Earl HVice ChairmanSell100,000$7.7M
2026-01-26Yuen NicoleDirectorBuy389$25,017
2026-01-26Conkling Lori ADirectorBuy389$0
2026-01-26Conkling Lori ADirectorBuy389$25,017
2026-01-26Nemser Earl HVice ChairmanBuy389$25,017
2026-01-26Brody Paul JonathanChief Financial OfficerBuy389$25,017
2026-01-26Bright JillDirectorBuy389$25,017
2026-01-26Repetto Richard HDirectorBuy389$25,017
2026-01-26Harris Lawrence EDirectorBuy389$25,017
2026-01-26Peterffy WilliamDirectorBuy389$25,017
2026-01-07Bright JillDirectorBuy389$25,017
2026-01-07Galik MilanChief Executive OfficerBuy224,650$0
2026-01-07Galik MilanChief Executive OfficerBuy389$25,017

Source: SEC Form 4 filings · as of 2026-06-02