Nick Leschly - Nov 6, 2024 Form 4 Insider Report for bluebird bio, Inc. (BLUE)

Role: Director
Signature: /s/ Sydney Gaylin, Attorney-in-Fact
Stock symbol: BLUE
Transactions as of: Nov 6, 2024
Transactions value $: $0
Form type: 4
Date filed: 11/8/2024, 04:09 PM
Previous filing: Jan 9, 2024
Next filing: Jan 7, 2025

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BLUE	Common Stock	Award	$0	+24.9K	+8.56%	$0.00	316K	Nov 6, 2024	Direct	F1
holding	BLUE	Common Stock						45.7K	Nov 6, 2024	Nick Leschly 2001 Trust
holding	BLUE	Common Stock						123K	Nov 6, 2024	Nick Leschly Irrevocable GST Trust of 2019

Showing 1 to 3 of 3 entries

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	BLUE	Stock Option (right to buy)	Award	$0	+49.9K		$0.00	49.9K	Nov 6, 2024	Common Stock	49.9K	$0.44	Direct	F2

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

Explanation of Responses:

Id	Content
F1	These restricted stock units for common stock vest 100% on the earlier of November 6, 2025 or the date of the next annual meeting of stockholders.
F2	This option vests 100% on the earlier of November 6, 2025 or the date of the next annual meeting of stockholders.