0000950170-23-060594.txt : 20231107 0000950170-23-060594.hdr.sgml : 20231107 20231107210544 ACCESSION NUMBER: 0000950170-23-060594 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231103 FILED AS OF DATE: 20231107 DATE AS OF CHANGE: 20231107 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Atlas Venture Associates XI, L.P. CENTRAL INDEX KEY: 0001780068 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39062 FILM NUMBER: 231385686 BUSINESS ADDRESS: STREET 1: 400 TECHNOLOGY SQUARE STREET 2: 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-201-2700 MAIL ADDRESS: STREET 1: 400 TECHNOLOGY SQUARE STREET 2: 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Atlas Venture Fund XI, L.P. CENTRAL INDEX KEY: 0001708269 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39062 FILM NUMBER: 231385687 BUSINESS ADDRESS: STREET 1: 400 TECHNOLOGY SQUARE STREET 2: 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-201-2700 MAIL ADDRESS: STREET 1: 400 TECHNOLOGY SQUARE STREET 2: 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Atlas Venture Associates XI, LLC CENTRAL INDEX KEY: 0001780067 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39062 FILM NUMBER: 231385685 BUSINESS ADDRESS: STREET 1: 400 TECHNOLOGY SQUARE STREET 2: 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-201-2700 MAIL ADDRESS: STREET 1: 400 TECHNOLOGY SQUARE STREET 2: 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Atlas Venture Associates Opportunity II, LP CENTRAL INDEX KEY: 0001935814 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39062 FILM NUMBER: 231385684 BUSINESS ADDRESS: STREET 1: 300 TECHNOLOGY SQUARE, 8TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 1 857 201 2700 MAIL ADDRESS: STREET 1: 300 TECHNOLOGY SQUARE, 8TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Atlas Venture Opportunity Fund II, L.P. CENTRAL INDEX KEY: 0001885327 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39062 FILM NUMBER: 231385688 BUSINESS ADDRESS: STREET 1: 300 TECHNOLOGY SQUARE STREET 2: 8TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-201-2700 MAIL ADDRESS: STREET 1: 300 TECHNOLOGY SQUARE STREET 2: 8TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Atlas Venture Associates Opportunity II, LLC CENTRAL INDEX KEY: 0001935810 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39062 FILM NUMBER: 231385683 BUSINESS ADDRESS: STREET 1: 300 TECHNOLOGY SQUARE, 8TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857 201 2700 MAIL ADDRESS: STREET 1: 300 TECHNOLOGY SQUARE, 8TH FLOOR 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 3 1 ownership.xml 3 X0206 3 2023-11-03 0 0001703647 Korro Bio, Inc. KRRO 0001885327 Atlas Venture Opportunity Fund II, L.P. 300 TECHNOLOGY SQUARE, 8TH FLOOR CAMBRIDGE MA 02139 false false true false 0001708269 Atlas Venture Fund XI, L.P. 300 TECHNOLOGY SQUARE, 8TH FLOOR CAMBRIDGE MA 02139 false false true false 0001780068 Atlas Venture Associates XI, L.P. 300 TECHNOLOGY SQUARE, 8TH FLOOR CAMBRIDGE MA 02139 false false true false 0001780067 Atlas Venture Associates XI, LLC 300 TECHNOLOGY SQUARE, 8TH FLOOR CAMBRIDGE MA 02139 false false true false 0001935814 Atlas Venture Associates Opportunity II, LP 300 TECHNOLOGY SQUARE, 8TH FLOOR CAMBRIDGE MA 02139 false false true false 0001935810 Atlas Venture Associates Opportunity II, LLC 300 TECHNOLOGY SQUARE, 8TH FLOOR CAMBRIDGE MA 02139 false false true false Common Stock 177217 D Common Stock 942075 I See Footnote The shares are owned directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, L.P. ("AVAO II LP") is the general partner of AVOF II. Atlas Venture Associates Opportunity II, LLC ("AVAO II LLC") is the general partner of AVAO II LP. Each of AVAO II LP and AVAO II LLC disclaims beneficial ownership of the securities held by AVOF II, except to the extent of its pecuniary interest therein, if any. The shares are held directly by Atlas Venture Fund XI, L.P. ("Atlas Venture Fund XI"). The general partner of Atlas Venture Fund XI is Atlas Venture Associates XI, L.P. ("AVA XI LP"). Atlas Venture Associates XI, LLC ("AVA XI LLC") is the general partner of AVA XI LP. Each of AVA XI LP and AVA XI LLC disclaims beneficial ownership of the securities held by Atlas Venture Fund XI, except to the extent of its pecuniary interest therein, if any. Atlas Venture Opportunity Fund II, L.P., By: Atlas Venture Associates Opportunity II, L.P., its general partner, By: Atlas Venture Associates Opportunity II, LLC, its general partner, By: Ommer Chohan, Chief Financial Officer, /s/ Ommer Chohan 2023-11-07 Atlas Venture Fund XI, LP, By: Atlas Venture Associates XI, L.P., it's general partner, By: Atlas Venture Associates XI, LLC, its general partner, By: Ommer Chohan, Chief Financial Officer, /s/ Ommer Chohan 2023-11-07 Atlas Venture Associates XI, L.P., By: Atlas Venture Associates XI, LLC, its general partner, By: Ommer Chohan, Chief Financial Officer /s/ Ommer Chohan 2023-11-07 Atlas Venture Associates XI, LLC By: Ommer Chohan, Chief Financial Officer /s/ Ommer Chohan 2023-11-07 Atlas Venture Associates Opportunity II, L.P., By: Atlas Venture Associates Opportunity II, LLC, its general partner, By: Ommer Chohan, Chief Financial Officer, /s/ Ommer Chohan 2023-11-07 Atlas Venture Associates Opportunity II, LLC, its general partner, By: Ommer Chohan, Chief Financial Officer, /s/ Ommer Chohan 2023-11-07