0001012975-15-000566.txt : 20150730 0001012975-15-000566.hdr.sgml : 20150730 20150730163811 ACCESSION NUMBER: 0001012975-15-000566 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150728 FILED AS OF DATE: 20150730 DATE AS OF CHANGE: 20150730 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: bluebird bio, Inc. CENTRAL INDEX KEY: 0001293971 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 150 SECOND STREET CITY: CAMBRIDGE STATE: MA ZIP: 02141 BUSINESS PHONE: 339-499-9300 MAIL ADDRESS: STREET 1: 150 SECOND STREET CITY: CAMBRIDGE STATE: MA ZIP: 02141 FORMER COMPANY: FORMER CONFORMED NAME: Genetix Pharmaceuticals Inc DATE OF NAME CHANGE: 20040616 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: GILLIS STEVEN CENTRAL INDEX KEY: 0001229592 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35966 FILM NUMBER: 151016630 MAIL ADDRESS: STREET 1: 1000 SECOND AVENUE STREET 2: SUITE 3700 CITY: SEATTLE STATE: WA ZIP: 98104 4 1 edgar.xml PRIMARY DOCUMENT X0306 4 2015-07-28 0001293971 bluebird bio, Inc. BLUE 0001229592 GILLIS STEVEN C/O ARCH VENTURE PARTNERS 8725 WEST HIGGINS ROAD, SUITE 290 CHICAGO IL 60631 1 0 0 0 Common Stock 2015-07-28 4 J 0 233000 D 90675 I By ARCH Venture Fund VII, L.P. Common Stock 2015-07-28 4 J 0 5126 A 18633 D Distribution of Common Stock held by a limited partnership to its partners for no consideration. These shares are owned directly by ARCH Venture Fund VII, L.P. ("ARCH Fund VII"). The sole general partner of ARCH Fund VII is ARCH Venture Partners VII, L.P. ("ARCH Partners VII"). The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC ("ARCH VII LLC"). The Managing Directors of ARCH VII LLC, Robert T. Nelsen, Keith Crandell and Clinton Bybee, are deemed to have voting and dispositive power over the shares and may be deemed to beneficially own shares held by ARCH Fund VII. Each Managing Director disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that such Managing Director is the beneficial owner of such securities for Section 16 or any other purpose. Change from indirect to direct ownership of shares previously reported as beneficially owned by the reporting person. Steven Gillis owns an interest in ARCH Partners VII but does not have voting or investment control over the shares held by ARCH Fund VII and disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein, and this report shall not be deemed an admission that Steven Gillis is the beneficial owner of such securities for Section 16 or any other purpose. /s/ Steven Gillis 2015-07-30