Earl H. Nemser - Jul 28, 2025 Form 4 Insider Report for Interactive Brokers Group, Inc. (IBKR)

Role: Vice Chairman, Director
Signature: /s/ Raymond Bussiere as authorized signatory for Earl H. Nemser
Stock symbol: IBKR
Transactions as of: Jul 28, 2025
Transactions value $: -$6,590
Form type: 4
Date filed: 7/30/2025, 06:23 PM
Previous filing: Jun 24, 2025
Next filing: Aug 1, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Nemser Earl H	Vice Chairman, Director	ONE PICKWICK PLAZA, GREENWICH	/s/ Raymond Bussiere as authorized signatory for Earl H. Nemser	2025-07-30	0001391400

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IBKR	Class A common stock	Sale	-$6.59K	-100	-0.03%	$65.90	400K	Jul 28, 2025	by EN Holdings LLC	F1
holding	IBKR	Class A common stock						428K	Jul 28, 2025	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents number of securities owned by EN Holdings LLC, which is owned by the reporting person and his affiliates.
F2	This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the amended 2007 Stock Incentive Plan ("Plan") and (b) unvested restricted stock units that were awarded under the Plan.