Cabaletta Bio, Inc. — Director's Dealing 2021

Mar 3, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Cabaletta Bio, Inc. (CABA)
CIK: 0001759138
Period of Report: 2021-03-01

Reporting Person: Chang David J. (Chief Medical Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-03-01	Stock Option (Right to Buy)	$11.47	A	113500	Acquired	2031-02-28	Common Stock (113500)	Direct

Footnotes

F1: This option vests over four years, with 25% vesting on March 1, 2022 and the remaining shares vesting in 12 equal quarterly installments thereafter.