0001140361-17-022338.txt : 20170525 0001140361-17-022338.hdr.sgml : 20170525 20170525162213 ACCESSION NUMBER: 0001140361-17-022338 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170509 FILED AS OF DATE: 20170525 DATE AS OF CHANGE: 20170525 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Interactive Brokers Group, Inc. CENTRAL INDEX KEY: 0001381197 STANDARD INDUSTRIAL CLASSIFICATION: SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: ONE PICKWICK PLAZA CITY: GREENWICH STATE: CT ZIP: 06830 BUSINESS PHONE: 203-618-5800 MAIL ADDRESS: STREET 1: ONE PICKWICK PLAZA CITY: GREENWICH STATE: CT ZIP: 06830 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Nemser Earl H CENTRAL INDEX KEY: 0001391400 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-33440 FILM NUMBER: 17870257 MAIL ADDRESS: STREET 1: ONE PICKWICK PLAZA CITY: GREENWICH STATE: CT ZIP: 06830 4 1 doc1.xml FORM 4 X0306 4 2017-05-09 0 0001381197 Interactive Brokers Group, Inc. IBKR 0001391400 Nemser Earl H ONE PICKWICK PLAZA GREENWICH CT 06830 1 1 0 0 Vice Chairman Class A common stock 2017-05-09 2017-05-24 4 F 0 4458 35.80 D 96585 D Class A common stock 50000 I By IBG Holdings LLC The price represents the closing price of the issuer's Class A common stock as of May 9, 2017, the vesting date. 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. Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC. The shares were acquired in a share for share exchange between IBG Holdings LLC and the issuer, in which each share of Class A common stock of the issuer was acquired by IBG Holdings LLC in exchange for one membership interest in IBG LLC. /s/ Clare Zheng as authorized signatory for Earl H. Nemser 2017-05-25