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
07/06/15	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001209191-15-059464.pdf 0001209191-15-059464.rtf 0001209191-15-059464.xls
07/02/15	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001209191-15-058813.pdf 0001209191-15-058813.rtf 0001209191-15-058813.xls
06/29/15	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001012975-15-000502.pdf 0001012975-15-000502.rtf 0001012975-15-000502.xls
06/24/15	424B5	Form of prospectus disclosing information, facts, events covered in both forms 424B2, 424B3	Registration Statements	View HTML 0001193125-15-232471.pdf 0001193125-15-232471.rtf 0001193125-15-232471.xls
06/24/15	8-K	Report of unscheduled material events or corporate event	Current Reports	View HTML 0001193125-15-233447.pdf 0001193125-15-233447.rtf 0001193125-15-233447.xls
06/23/15	CT ORDER	CT ORDER	Other	View HTML 9999999997-15-011089.pdf
06/23/15	424B5	Form of prospectus disclosing information, facts, events covered in both forms 424B2, 424B3	Registration Statements	View HTML 0001193125-15-231990.pdf 0001193125-15-231990.rtf 0001193125-15-231990.xls
06/22/15	8-K	Report of unscheduled material events or corporate event	Current Reports	View HTML 0001564590-15-005186.pdf 0001564590-15-005186.rtf 0001564590-15-005186.xls
06/17/15	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001209191-15-054149.pdf 0001209191-15-054149.rtf 0001209191-15-054149.xls
06/17/15	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001209191-15-054148.pdf 0001209191-15-054148.rtf 0001209191-15-054148.xls