Norkunas Matthew [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
07/15/2023	Generation Bio Co.	GBIO	Payment of Exercise	Common Stock	2.2k	$5.08	$11.1k	07/15/2023
07/15/2023	Generation Bio Co.	GBIO	Payment of Exercise	Common Stock	983	$5.08	$5k	07/15/2023
07/15/2023	Generation Bio Co.	GBIO	Exercise	Restricted Stock Units	7.4k	$0.00	$0	07/15/2023
07/15/2023	Generation Bio Co.	GBIO	Exercise	Restricted Stock Units	3.3k	$0.00	$0	07/15/2023
01/20/2023	Generation Bio Co.	GBIO	Grant	Stock Option (right to buy)	53.6k	$4.71	$252.2k	01/20/2023
01/20/2023	Generation Bio Co.	GBIO	Grant	Restricted Stock Units	26.8k	$0.00	$0	01/20/2023
01/20/2023	Generation Bio Co.	GBIO	Grant	Restricted Stock Units	13.4k	$0.00	$0	01/20/2023
07/15/2022	Generation Bio Co.	GBIO	Payment of Exercise	Common Stock	4.4k	$7.18	$31.4k	07/15/2022
07/15/2022	Generation Bio Co.	GBIO	Exercise	Restricted Stock Units	14.9k	$0.00	$0	07/15/2022
01/21/2022	Generation Bio Co.	GBIO	Grant	Stock Option (right to buy)	119k	$6.49	$772.3k	01/21/2022
01/21/2022	Generation Bio Co.	GBIO	Grant	Restricted Stock Units	59.5k	$0.00	$0	01/21/2022
02/03/2021	Generation Bio Co.	GBIO	Grant	Stock Option (right to buy)	6.1k	$30.73	$187.5k	01/22/2021
01/22/2021	Generation Bio Co.	GBIO	Grant	Stock Option (right to buy)	32.8k	$30.25	$992.9k	01/22/2021
07/22/2020	Generation Bio Co.	GBIO	Grant	Stock Option (right to buy)	330k	$21.41	$7.1M	07/22/2020