bluebird bio, Inc. - 18 Oct 2021 Form 3 Insider Report for 2seventy bio, Inc. (TSVT)

Role: 10%+ Owner
Signature: By: /s/ Helen Fu, VP, Chief Corporate Counsel of bluebird bio, Inc.
Issuer symbol: TSVT
Transactions as of: 18 Oct 2021
Net transactions value: $0
Form type: 3
Filing time: 18 Oct 2021, 21:09:59 UTC
Next filing: 08 Nov 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	TSVT	Common Stock						100	18 Oct 2021	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.