Interactive Brokers Group, Inc. — Director's Dealing 2012

Jan 10, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Interactive Brokers Group, Inc. (IBKR)
CIK: 0001381197
Period of Report: 2012-01-06

Reporting Person: Frank Thomas AJ (Chief Information Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-01-06	Class A Common Stock	A	4225	—	Acquired	249319	Direct

Footnotes

F1: This represents a grant of restricted stock that will vest 10% on 5/9/2012 and 15% on each of the first six anniversaries of 5/9/2012.

F2: These shares represent the aggregate number of shares of restricted stock from awards granted on May 9, 2007 and annually thereafter, starting December 31, 2007 through December 31, 2011, including a special one-time grant on January 6, 2012, less vested shares that were sold for withholding tax purposes.