Media Contacts

Jess Rowlands

Head of Corporate Communications

(857) 299-6103

jess.rowlands@bluebirdbio.com

Investor Contacts

Courtney O’Leary

Investor Relations

(978) 621-7347

coleary@bluebirdbio.com

SEC Filings

Filing date	Form	Description	Filing Group	View
04/03/14	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001209191-14-025571.pdf 0001209191-14-025571.rtf 0001209191-14-025571.xls
04/03/14	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001209191-14-025574.pdf 0001209191-14-025574.rtf 0001209191-14-025574.xls
03/25/14	CT ORDER	CT ORDER	Other	View HTML 9999999997-14-004403.pdf
03/12/14	3	Initial filing by director officer or owner of more than ten percent.	3,4,5	View HTML 0001209191-14-019852.pdf 0001209191-14-019852.rtf 0001209191-14-019852.xls
03/12/14	3	Initial filing by director officer or owner of more than ten percent.	3,4,5	View HTML 0001209191-14-019854.pdf 0001209191-14-019854.rtf 0001209191-14-019854.xls
03/12/14	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001209191-14-019857.pdf 0001209191-14-019857.rtf 0001209191-14-019857.xls
03/05/14	10-K	Annual report which provides a comprehensive overview of the company for the past year	Annual Filings	View HTML 0001193125-14-084683.pdf 0001193125-14-084683.rtf 0001193125-14-084683.xls EX-101.INS - XBRL INSTANCE DOCUMENT
03/05/14	8-K	Report of unscheduled material events or corporate event	Current Reports	View HTML 0001193125-14-084685.pdf 0001193125-14-084685.rtf 0001193125-14-084685.xls
03/05/14	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001209191-14-017429.pdf 0001209191-14-017429.rtf 0001209191-14-017429.xls
03/05/14	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001209191-14-017434.pdf 0001209191-14-017434.rtf 0001209191-14-017434.xls