IBKR 2009 PROXY

Company

Interactive Brokers Group, Inc.

Filed

March 13, 2009

Period of Report

April 21, 2009

Accession Number

0001381197-09-000007

A DEF 14A is a proxy statement sent to shareholders before an annual meeting. It covers executive compensation, board elections, and shareholder votes. Learn more about DEF 14A filings →