0000950170-24-072557.txt : 20240612 0000950170-24-072557.hdr.sgml : 20240612 20240612171755 ACCESSION NUMBER: 0000950170-24-072557 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240611 FILED AS OF DATE: 20240612 DATE AS OF CHANGE: 20240612 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Bermingham Nessan CENTRAL INDEX KEY: 0001377759 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39062 FILM NUMBER: 241039330 MAIL ADDRESS: STREET 1: 890 WINTER STREET CITY: WALTHAM STATE: MA ZIP: 02451 ISSUER: 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 BUSINESS ADDRESS: STREET 1: ONE KENDALL SQUARE. BUILDING 600-700 STREET 2: SUITE 6-401 CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 617-468-1999 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 2024-06-11 0001703647 Korro Bio, Inc. KRRO 0001377759 Bermingham Nessan C/O KORRO BIO, INC. ONE KENDALL SQUARE, BUILDING 600-700 CAMBRIDGE MA 02139 true false false false false Stock Option (Right to Buy) 42.19 2024-06-11 4 A false 5190 0.00 A 2034-06-10 Common Stock 5190 5190 D The shares subject to the option vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next annual meeting of stockholders, subject to continued service as a non-employee director through the applicable vesting date. /s/ Shelby Walker, attorney-in-fact 2024-06-12