Matthew Stanton

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
15 Oct 24	GBIO Generation Bio	Common Stock	Payment of exercise	Dispose F	No	No	2.42	492	1.19 k	247,319
15 Oct 24	GBIO Generation Bio	Common Stock	Option exercise	Acquire M	No	No	0	1,674	0.00	247,811
15 Oct 24	GBIO Generation Bio	RSU Common Stock	Option exercise	Dispose M	No	No	0	1,674	0.00	15,059
15 Jul 24	GBIO Generation Bio	Common Stock	Payment of exercise	Dispose F	No	No	2.93	492	1.44 k	246,137
15 Jul 24	GBIO Generation Bio	Common Stock	Option exercise	Acquire M	No	No	0	1,674	0.00	246,629
15 Jul 24	GBIO Generation Bio	RSU Common Stock	Option exercise	Dispose M	No	No	0	1,674	0.00	16,733
15 Apr 24	GBIO Generation Bio	Common Stock	Payment of exercise	Dispose F	No	No	3.7	492	1.82 k	244,955
15 Apr 24	GBIO Generation Bio	Common Stock	Option exercise	Acquire M	No	No	0	1,674	0.00	245,447
15 Apr 24	GBIO Generation Bio	RSU Common Stock	Option exercise	Dispose M	No	No	0	1,674	0.00	18,407
15 Jan 24	GBIO Generation Bio	Common Stock	Payment of exercise	Dispose F	No	No	1.91	2,320	4.43 k	243,773

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