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
02/03/23	SC 13G/A	An amendment to the SC 13G filing	Other	View HTML 0001445546-23-000990.pdf 0001445546-23-000990.rtf
02/03/23	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001562180-23-000901.pdf 0001562180-23-000901.rtf 0001562180-23-000901.xls
02/03/23	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001562180-23-000905.pdf 0001562180-23-000905.rtf 0001562180-23-000905.xls
02/03/23	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001562180-23-000903.pdf 0001562180-23-000903.rtf 0001562180-23-000903.xls
02/03/23	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001562180-23-000902.pdf 0001562180-23-000902.rtf 0001562180-23-000902.xls
01/25/23	SC 13G/A	An amendment to the SC 13G filing	Other	View HTML 0001306550-23-003421.pdf 0001306550-23-003421.rtf
01/19/23	8-K	Report of unscheduled material events or corporate event	Current Reports	View HTML 0001193125-23-010602.pdf 0001193125-23-010602.rtf 0001193125-23-010602.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
01/19/23	424B5	Form of prospectus disclosing information, facts, events covered in both forms 424B2, 424B3	Registration Statements	View HTML 0001193125-23-011014.pdf 0001193125-23-011014.rtf 0001193125-23-011014.xls
01/18/23	424B5	Form of prospectus disclosing information, facts, events covered in both forms 424B2, 424B3	Registration Statements	View HTML 0001193125-23-009865.pdf 0001193125-23-009865.rtf
01/13/23	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001562180-23-000408.pdf 0001562180-23-000408.rtf 0001562180-23-000408.xls