Simon Mark [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
06/01/2023	Cabaletta Bio, Inc.	CABA	Grant	Stock Option (Right to Buy)	22k	$11.18	$246k	06/01/2023
06/01/2022	Cabaletta Bio, Inc.	CABA	Grant	Stock Option (Right to buy)	22k	$1.28	$28.2k	06/01/2022
06/01/2021	Cabaletta Bio, Inc.	CABA	Grant	Stock Option (Right to buy)	22k	$11.00	$242k	06/01/2021
10/29/2019	Cabaletta Bio, Inc.	CABA	Conversion	Series A-1 Preferred Stock	27.2k	$0.00	$0	10/29/2019
10/29/2019	Cabaletta Bio, Inc.	CABA	Conversion	Common Stock	18.1k	$0.00	$0	10/29/2019