Interactive Brokers Group, Inc. — Director's Dealing 2014

Sep 5, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Interactive Brokers Group, Inc. (IBKR)
CIK: 0001381197
Period of Report: 2014-09-03

Reporting Person: Galik Milan (Director, SVP Software Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-09-03	Class A Common Stock	S	760	$24.11	Disposed	729457	Direct
2014-09-03	Class A Common Stock	S	100	$24.16	Disposed	729357	Direct
2014-09-03	Class A Common Stock	S	40	$24.17	Disposed	729317	Direct
2014-09-04	Class A Common Stock	S	900	$24.01	Disposed	728417	Direct

Footnotes

F1: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person which went into effect February 1, 2014.

F2: These shares represent the aggregate number of shares of restricted stock from awards granted under the 2007 Stock Incentive Plan since its inception, less vested shares that were sold for withholding tax purposes and vested shares sold pursuant to a Rule 10b5-1 trading plan.