0001562180-21-000267.txt : 20210108 0001562180-21-000267.hdr.sgml : 20210108 20210108175709 ACCESSION NUMBER: 0001562180-21-000267 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210105 FILED AS OF DATE: 20210108 DATE AS OF CHANGE: 20210108 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: FINGER ALISON CECILY CENTRAL INDEX KEY: 0001731164 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35966 FILM NUMBER: 21518608 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 2021-01-05 false 0001293971 bluebird bio, Inc. BLUE 0001731164 FINGER ALISON CECILY C/O BLUEBIRD BIO, INC. 60 BINNEY STREET CAMBRIDGE MA 02142 false true false false Chief Commercial Officer Common Stock 2021-01-05 4 S false 40.00 44.9522 D 26917.00 D Common Stock 2021-01-06 4 S false 1055.00 44.7586 D 25862.00 D Common Stock 2021-01-06 4 S false 759.00 45.4635 D 25103.00 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 $44.71 to $45.09. The average weighted price was $44.9522. 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. The range in prices for the transaction reported on this line was $44.25 to $45.24. The average weighted price was $44.7586. 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. The range in prices for the transaction reported on this line was $45.25 to $45.83. The average weighted price was $45.4635. 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 2021-01-08