0001959173-23-004651.txt : 20231113 0001959173-23-004651.hdr.sgml : 20231113 20231113085850 ACCESSION NUMBER: 0001959173-23-004651 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231113 DATE AS OF CHANGE: 20231113 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Korro Bio, Inc. CENTRAL INDEX KEY: 0001703647 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] 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: 231395565 BUSINESS ADDRESS: STREET 1: ONE KENDALL SQUARE. BUILDING 600-700 STREET 2: SUITE 6-401 CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 617-468-1900 MAIL ADDRESS: STREET 1: ONE KENDALL SQUARE. BUILDING 600-700 STREET 2: SUITE 6-401 CITY: CAMBRIDGE STATE: MA ZIP: 02139 FORMER COMPANY: FORMER CONFORMED NAME: Frequency Therapeutics, Inc. DATE OF NAME CHANGE: 20170412 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: McCubbin Quentin CENTRAL INDEX KEY: 0001842009 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O FREQUENCY THERAPEUTICS, INC. STREET 2: 10 PRESIDENTIAL WAY, 2ND FLOOR CITY: WOBURN STATE: MA ZIP: 01801 144 1 primary_doc.xml 144 0001842009 XXXXXXXX LIVE 0001703647 Korro Bio, Inc. 001-39062 ONE KENDALL SQUARE. BUILDING 600-700 SUITE 6-401 CAMBRIDGE MA 02139 617-468-1900 McCubbin Quentin Former Officer Common Fidelity Brokerage Services LLC

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280 11753.45 36926285 11/10/2023 NASDAQ Common 11/06/2023 Restricted Stock Vesting Issuer N 280 11/06/2023 Compensation Y 11/13/2023 /s/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Quentin J. Mccubbin