0001959173-24-007051.txt : 20241016 0001959173-24-007051.hdr.sgml : 20241016 20241016130543 ACCESSION NUMBER: 0001959173-24-007051 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20241016 DATE AS OF CHANGE: 20241016 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Korro Bio, Inc. CENTRAL INDEX KEY: 0001703647 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 472324450 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-39062 FILM NUMBER: 241374067 BUSINESS ADDRESS: STREET 1: 60 FIRST STREET STREET 2: 2ND FLOOR, SUITE 250 CITY: CAMBRIDGE STATE: MA ZIP: 02141 BUSINESS PHONE: 617-468-1999 MAIL ADDRESS: STREET 1: 60 FIRST STREET STREET 2: 2ND FLOOR, SUITE 250 CITY: CAMBRIDGE STATE: MA ZIP: 02141 FORMER COMPANY: FORMER CONFORMED NAME: Frequency Therapeutics, Inc. DATE OF NAME CHANGE: 20170412 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Colletti Steve CENTRAL INDEX KEY: 0001997910 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O KORRO BIO, INC. STREET 2: ONE KENDALL SQUARE, BUILDING 600-700 CITY: CAMBRIDGE STATE: MA ZIP: 02139 144 1 primary_doc.xml 144 0001997910 XXXXXXXX LIVE 0001703647 Korro Bio, Inc. 001-39062 60 FIRST STREET 2ND FLOOR, SUITE 250 CAMBRIDGE MA 02141 617-468-1999 Colletti Steve Former Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

13821 1225450.12 9298815 10/16/2024 NASDAQ Common 10/16/2024 Options Granted 04/11/2023 Issuer N 13821 10/16/2024 Cash N Steven Colletti

One Kendall Square Building 600-700, Suite 6-401 Cambridge MA 02139

Common 08/26/2024 10303 507325.52 10/16/2024 /s/ Jared Cook, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Steven Colletti