0000950170-24-025012.txt : 20240304 0000950170-24-025012.hdr.sgml : 20240304 20240304174001 ACCESSION NUMBER: 0000950170-24-025012 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: Nichtberger Steven CENTRAL INDEX KEY: 0001487989 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39103 FILM NUMBER: 24716572 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 0001487989 Nichtberger Steven C/O CABALETTA BIO, INC. 2929 ARCH STREET, SUITE 600 PHILADELPHIA PA 19104 true true false false President & CEO false Stock Option (Right to Buy) 23.97 2024-03-01 4 A false 353000 0.00 A 2034-02-28 Common Stock 353000 353000 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, as Attorney-in-Fact 2024-03-04