Interactive Brokers Group, Inc. — Director's Dealing 2016

May 24, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Interactive Brokers Group, Inc. (IBKR)
CIK: 0001381197
Period of Report: 2016-05-09

Reporting Person: Mendonca Denis (Chief Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-09	Class A Common Stock	F	234	$36.82	Disposed	4584	Direct

Footnotes

F1: The price represents the closing price of the issuer's Class A common stock as of May 9, 2016, the vesting date.

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 withheld for tax purposes, or sold previously.