Interactive Brokers Group, Inc. — Director's Dealing 2025

Oct 27, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Interactive Brokers Group, Inc. (IBKR)
CIK: 0001381197
Period of Report: 2025-10-23

Reporting Person: Bright Jill (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-23	Class A common stock	P	400	$65.95	Acquired	10304	Direct

Footnotes

F1: This amount includes (a) securities acquired by the Reporting Person; (b) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan as amended the ("Plan"); and (c) unvested restricted stock units that were awarded under the Plan.

F2: On June 17, 2025, the Issuer effected a four-for-one split of its common stock, resulting in the reporting person's ownership of 7,428 additional shares of common stock.