Thomas Klima - 02 Jun 2023 Form 4 Insider Report for bluebird bio, Inc. (BLUE)

Role: Chief Commercial & Operating Officer
Signature: /s/ Thomas J. Klima
Issuer symbol: BLUE
Transactions as of: 02 Jun 2023
Transactions value $: -$14,451
Form type: 4
Date filed: 06 Jun 2023, 16:06
Previous filing: 03 Mar 2023
Next filing: 06 Sep 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BLUE	Common Stock	Sale	-$14.5K	-4.13K	-3.01%	$3.50	133K	02 Jun 2023	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units.
F2	The range in prices for the transaction reported on this line was $3.49 to $3.51. The average weighted price was $3.499. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.

Remarks:

Chief Commercial & Operating Officer