Ownership

Mark Vachon

Insider Reports History

Entity: Individual
Location: Goodwin Procter Llp, 53 State Street, Boston, MA
Signature: /s/ Sydney Gaylin, Attorney-in-Fact
All insider transactions: Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Mark Vachon:

Stock	Role	Class	Num Shares	Value	Price $	Report Date	Ownership
bluebird bio, Inc.	Director	Common Stock	49.9K	$26.3K	$0.53	Nov 6, 2024	Direct
bluebird bio, Inc.	Director	Stock Option (right to buy)	49.9K			Nov 6, 2024	Direct

Showing 1 to 2 of 2 entries

Insider Reports Filed by Mark Vachon

Symbol	Company	Period	Transactions	Value $	Form Type	Date Filed	Role
BLUE	bluebird bio, Inc.	Nov 6, 2024	2	$0	4	Nov 8, 2024	Director
BLUE	bluebird bio, Inc.	Jun 16, 2023	2	$0	4	Jun 20, 2023	Director
BLUE	bluebird bio, Inc.	Jun 22, 2022	2	$0	4	Jun 23, 2022	Director
BLUE	bluebird bio, Inc.	Nov 11, 2021	7	$0	4	Nov 16, 2021	Director
BLUE	bluebird bio, Inc.	Jun 15, 2021	2	$0	4	Jun 17, 2021	Director