0001562180-21-001971.txt : 20210304 0001562180-21-001971.hdr.sgml : 20210304 20210304164634 ACCESSION NUMBER: 0001562180-21-001971 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210302 FILED AS OF DATE: 20210304 DATE AS OF CHANGE: 20210304 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Davidson David CENTRAL INDEX KEY: 0001578696 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35966 FILM NUMBER: 21714782 MAIL ADDRESS: STREET 1: C/O BLUEBIRD BIO, INC. STREET 2: 60 BINNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142 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: 60 BINNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 339-499-9300 MAIL ADDRESS: STREET 1: 60 BINNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142 FORMER COMPANY: FORMER CONFORMED NAME: Genetix Pharmaceuticals Inc DATE OF NAME CHANGE: 20040616 4 1 primarydocument.xml PRIMARY DOCUMENT X0306 4 2021-03-02 false 0001293971 bluebird bio, Inc. BLUE 0001578696 Davidson David C/O BLUEBIRD BIO, INC. 60 BINNEY STREET CAMBRIDGE MA 02142 false true false false Chief Medical Officer Common Stock 2021-03-02 4 S false 42.00 29.5819 D 47829.00 D Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units. The range in prices for the transaction reported on this line was $29.31 to $29.92. The average weighted price was $29.5819. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price. /s/ Helen C. Fu, Attorney-in-Fact 2021-03-04