Andrew Obenshain

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
10 Dec 24	BLUE bluebird bio	Common Stock	Sell	Dispose S	No	No	0.4173	971	405.20	374,247
30 Sep 24	BLUE bluebird bio	Common Stock	Sell	Dispose S	No	No	0.5253	34,780	18.27 k	375,218
30 Sep 24	BLUE bluebird bio	Common Stock	Grant	Acquire A	No	No	0	130,000	0.00	409,998
4 Mar 24	BLUE bluebird bio	Common Stock	Sell	Dispose S	No	No	1.5276	6,095	9.31 k	279,998
1 Mar 24	BLUE bluebird bio	Stock Option Common Stock	Grant	Acquire A	No	No	1.56	650,000	1.01 mm	650,000
5 Jan 24	BLUE bluebird bio	Common Stock	Sell	Dispose S	No	No	1.4294	3,162	4.52 k	287,972
3 Nov 23	BLUE bluebird bio	Common Stock	Sell	Dispose S	No	No	3.1659	807	2.55 k	291,134

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.