0000950170-24-025039.txt : 20240304 0000950170-24-025039.hdr.sgml : 20240304 20240304175037 ACCESSION NUMBER: 0000950170-24-025039 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240301 FILED AS OF DATE: 20240304 DATE AS OF CHANGE: 20240304 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gerard Michael CENTRAL INDEX KEY: 0001881529 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39103 FILM NUMBER: 24716734 MAIL ADDRESS: STREET 1: C/O CABALETTA BIO, INC. STREET 2: 2929 ARCH STREET, SUITE 600 CITY: PHILADELPHIA STATE: PA ZIP: 19104 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Cabaletta Bio, Inc. CENTRAL INDEX KEY: 0001759138 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2929 ARCH STREET STREET 2: SUITE 600 CITY: PHILADELPHIA STATE: PA ZIP: 19104 BUSINESS PHONE: (267) 759-3100 MAIL ADDRESS: STREET 1: 2929 ARCH STREET STREET 2: SUITE 600 CITY: PHILADELPHIA STATE: PA ZIP: 19104 4 1 ownership.xml 4 X0508 4 2024-03-01 0001759138 Cabaletta Bio, Inc. CABA 0001881529 Gerard Michael C/O CABALETTA BIO, INC. 2929 ARCH STREET, SUITE 600 PHILADELPHIA PA 19104 false true false false General Counsel false Stock Option (Right to Buy) 23.97 2024-03-01 4 A false 100000 0.00 A 2034-02-28 Common Stock 100000 100000 D 25% of the shares underlying this option shall vest and become exercisable on March 1, 2025, with the remainder vesting in twelve substantially equal quarterly installments thereafter, subject to the reporting person's continued service on each such vesting date. By: /s/ Michael Gerard 2024-03-04