LIVE FROM THE DATABASETRANSACTIONS 362,114COMPANIES 5,761LATEST TRADE Oct 16UPDATED Oct 16, 09:12 PM

Reporting ownerCIK 0001391400

Earl H. Nemser

13 transactions in one company, from December 31, 2025 to July 31, 2026.

By company

Where this insider traded.

Company	Ticker	Trades	Bought	Sold
Interactive Brokers Group, Inc.	IBKR	13	—	$30.7M

13 in total, newest filings first.

Company	Ticker	Insider	Date	Code	Shares	Price	Value
Interactive Brokers Group, Inc.	IBKR	Earl H. NemserChair	Jul 31	A	803,568	$87.99	$70.7M
Interactive Brokers Group, Inc.	IBKR	Earl H. NemserChair	May 8	F	22,486	$84.42	$1.9M
Interactive Brokers Group, Inc.	IBKR	Earl H. NemserChair	Jan 27	S	20,469	$75.75	$1.6M
Interactive Brokers Group, Inc.	IBKR	Earl H. NemserChair	Jan 27	S	39,731	$75.07	$3.0M
Interactive Brokers Group, Inc.	IBKR	Earl H. NemserChair	Jan 26	S	3,101	$77.98	$242K
Interactive Brokers Group, Inc.	IBKR	Earl H. NemserChair	Jan 26	S	30,817	$76.72	$2.4M
Interactive Brokers Group, Inc.	IBKR	Earl H. NemserChair	Jan 26	S	60,882	$75.83	$4.6M
Interactive Brokers Group, Inc.	IBKR	Earl H. NemserChair	Jan 23	S	60,065	$78.14	$4.7M
Interactive Brokers Group, Inc.	IBKR	Earl H. NemserChair	Jan 23	S	84,935	$77.65	$6.6M
Interactive Brokers Group, Inc.	IBKR	Earl H. NemserChair	Jan 22	S	100,000	$76.81	$7.7M
Interactive Brokers Group, Inc.	IBKR	Earl H. NemserChair	Jan 1	A	389	$64.31	$25K
Interactive Brokers Group, Inc.	IBKR	Earl H. NemserChair	Dec 31	A	389	$64.31	$25K
Interactive Brokers Group, Inc.	IBKR	Earl H. NemserChair	Dec 31	A	23,240	$0.00	—