0000950170-23-066806.txt : 20231129 0000950170-23-066806.hdr.sgml : 20231129 20231129165557 ACCESSION NUMBER: 0000950170-23-066806 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231127 FILED AS OF DATE: 20231129 DATE AS OF CHANGE: 20231129 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Meyers Rachel CENTRAL INDEX KEY: 0002001472 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39062 FILM NUMBER: 231453060 MAIL ADDRESS: STREET 1: C/O KORRO BIO, INC. STREET 2: ONE KENDALL SQUARE, BUILDING 600-700 CITY: CAMBRIDGE STATE: MA ZIP: 02139 ISSUER: 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 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 4 1 ownership.xml 4 X0508 4 2023-11-27 0001703647 Korro Bio, Inc. KRRO 0002001472 Meyers Rachel C/O KORRO BIO, INC. ONE KENDALL SQUARE, BUILDING 600-700 CAMBRIDGE MA 02139 true false false false false Stock Option (Right to Buy) 37.50 2023-11-27 4 A false 12551 0.00 A 2033-11-26 Common Stock 12551 12551 D The shares subject to the option vest in three equal annual installments commencing from November 27, 2023, subject to the Reporting Person's continued service on each such vesting date. /s/ Shelby Walker, Attorney-in-fact 2023-11-29