Nick Leschly - 06 Nov 2024 Form 4 Insider Report for bluebird bio, Inc. (BLUE)

Role: Director
Signature: /s/ Sydney Gaylin, Attorney-in-Fact
Issuer symbol: BLUE
Transactions as of: 06 Nov 2024
Net transactions value: $0
Form type: 4
Filing time: 08 Nov 2024, 16:09:06 UTC
Previous filing: 09 Jan 2024
Next filing: 07 Jan 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BLUE	Common Stock	Award	$0	+24,900	+8.6%	$0.000000	315,839	06 Nov 2024	Direct	F1
holding	BLUE	Common Stock						45,699	06 Nov 2024	Nick Leschly 2001 Trust
holding	BLUE	Common Stock						123,000	06 Nov 2024	Nick Leschly Irrevocable GST Trust of 2019

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	+49,850		$0.000000	49,850	06 Nov 2024	Common Stock	49,850	$0.4400	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.