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
04/10/24	SC 13G/A	An amendment to the SC 13G filing	Other	View HTML 0000093751-24-000579.pdf 0000093751-24-000579.rtf
03/26/24	NT 10-K	Notification that form 10-K will be submitted late	Annual Filings	View HTML 0001293971-24-000009.pdf 0001293971-24-000009.rtf 0001293971-24-000009.xls
03/26/24	8-K	Report of unscheduled material events or corporate event	Current Reports	View HTML 0001293971-24-000010.pdf 0001293971-24-000010.rtf 0001293971-24-000010.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
03/18/24	8-K	Report of unscheduled material events or corporate event	Current Reports	View HTML 0001293971-24-000006.pdf 0001293971-24-000006.rtf 0001293971-24-000006.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
03/05/24	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001562180-24-002305.pdf 0001562180-24-002305.rtf 0001562180-24-002305.xls
03/05/24	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001562180-24-002308.pdf 0001562180-24-002308.rtf 0001562180-24-002308.xls
03/05/24	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001562180-24-002309.pdf 0001562180-24-002309.rtf 0001562180-24-002309.xls
03/05/24	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001562180-24-002307.pdf 0001562180-24-002307.rtf 0001562180-24-002307.xls
03/05/24	4	Statement of changes in beneficial ownership of securities	3,4,5	View HTML 0001562180-24-002306.pdf 0001562180-24-002306.rtf 0001562180-24-002306.xls
02/14/24	SC 13G	A statement of beneficial ownership of common stock by certain persons	Other	View HTML 0001398344-24-002937.pdf 0001398344-24-002937.rtf 0001398344-24-002937.xls