Thomas J Klima

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
3 Feb 25	BLUE bluebird bio	Common Stock	Sell	Dispose S	No	No	7.3925	122	901.89	8,378
30 Sep 24	BLUE bluebird bio	Common Stock	Sell	Dispose S	No	No	0.5257	1,006	528.85	170,000
30 Sep 24	BLUE bluebird bio	Common Stock	Grant	Acquire A	No	No	0	50,000	0.00	171,006
3 Jun 24	BLUE bluebird bio	Common Stock	Sell	Dispose S	No	No	0.9719	3,834	3.73 k	121,006
4 Mar 24	BLUE bluebird bio	Common Stock	Sell	Dispose S	No	No	1.5276	4,573	6.99 k	124,840
1 Mar 24	BLUE bluebird bio	Stock Option Common Stock	Grant	Acquire A	No	No	1.56	199,000	310.44 k	199,000
5 Feb 24	BLUE bluebird bio	Common Stock	Sell	Dispose S	No	No	0.9025	2,714	2.45 k	129,413

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