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
01/08/24	SC 13G/A	An amendment to the SC 13G filing	Other	View HTML 0001086364-24-000186.pdf 0001086364-24-000186.rtf
01/04/24	8-K	Report of unscheduled material events or corporate event	Current Reports	View HTML 0001293971-24-000002.pdf 0001293971-24-000002.rtf 0001293971-24-000002.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
12/20/23	8-K	Report of unscheduled material events or corporate event	Current Reports	View HTML 0001193125-23-299322.pdf 0001193125-23-299322.rtf 0001193125-23-299322.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
12/20/23	424B5	Form of prospectus disclosing information, facts, events covered in both forms 424B2, 424B3	Registration Statements	View HTML 0001193125-23-300016.pdf 0001193125-23-300016.rtf 0001193125-23-300016.xls
12/18/23	8-K	Report of unscheduled material events or corporate event	Current Reports	View HTML 0001193125-23-297683.pdf 0001193125-23-297683.rtf 0001193125-23-297683.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
12/18/23	424B5	Form of prospectus disclosing information, facts, events covered in both forms 424B2, 424B3	Registration Statements	View HTML 0001193125-23-297707.pdf 0001193125-23-297707.rtf
12/14/23	8-K	Report of unscheduled material events or corporate event	Current Reports	View HTML 0001293971-23-000057.pdf 0001293971-23-000057.rtf 0001293971-23-000057.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
12/11/23	8-K	Report of unscheduled material events or corporate event	Current Reports	View HTML 0001193125-23-292087.pdf 0001193125-23-292087.rtf EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
12/08/23	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001562180-23-008250.pdf 0001562180-23-008250.rtf 0001562180-23-008250.xls
11/07/23	8-K	Report of unscheduled material events or corporate event	Current Reports	View HTML 0001293971-23-000053.pdf 0001293971-23-000053.rtf 0001293971-23-000053.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA