0001062993-24-003739.txt : 20240220 0001062993-24-003739.hdr.sgml : 20240220 20240220173859 ACCESSION NUMBER: 0001062993-24-003739 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240215 FILED AS OF DATE: 20240220 DATE AS OF CHANGE: 20240220 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ARCH Venture Fund XII, L.P. CENTRAL INDEX KEY: 0001906837 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41536 FILM NUMBER: 24655213 BUSINESS ADDRESS: STREET 1: 8755 W. HIGGINS ROAD, SUITE 1025 CITY: CHICAGO STATE: IL ZIP: 60631 BUSINESS PHONE: 773-380-6600 MAIL ADDRESS: STREET 1: 8755 W. HIGGINS ROAD, SUITE 1025 CITY: CHICAGO STATE: IL ZIP: 60631 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ARCH Venture Partners XII, L.P. CENTRAL INDEX KEY: 0001979765 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41536 FILM NUMBER: 24655214 BUSINESS ADDRESS: STREET 1: 8755 W HIGGINS ROAD STREET 2: SUITE 1025 CITY: CHICAGO STATE: IL ZIP: 60631 BUSINESS PHONE: 7733806600 MAIL ADDRESS: STREET 1: 8755 W HIGGINS ROAD STREET 2: SUITE 1025 CITY: CHICAGO STATE: IL ZIP: 60631 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ARCH Venture Partners XII, LLC CENTRAL INDEX KEY: 0001979548 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41536 FILM NUMBER: 24655215 BUSINESS ADDRESS: STREET 1: 8755 W HIGGINS ROAD STREET 2: SUITE 1025 CITY: CHICAGO STATE: IL ZIP: 60631 BUSINESS PHONE: 7733806600 MAIL ADDRESS: STREET 1: 8755 W HIGGINS ROAD STREET 2: SUITE 1025 CITY: CHICAGO STATE: IL ZIP: 60631 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Prime Medicine, Inc. CENTRAL INDEX KEY: 0001894562 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 21 ERIE ST. CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 617-465-0013 MAIL ADDRESS: STREET 1: 21 ERIE ST. CITY: CAMBRIDGE STATE: MA ZIP: 02139 4 1 form4.xml STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES X0508 4 2024-02-15 0001894562 Prime Medicine, Inc. PRME 0001979548 ARCH Venture Partners XII, LLC 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631 0 0 1 0 0001979765 ARCH Venture Partners XII, L.P. 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631 0 0 1 0 0001906837 ARCH Venture Fund XII, L.P. 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631 0 0 1 0 0 Common Stock 6128297 I By ARCH Venture Fund X, L.P. Common Stock 6128297 I By ARCH Venture Fund X Overage, L.P. Common Stock 2024-02-15 4 P 0 3200000 6.25 A 3200000 I By ARCH Venture Fund XII, L.P. Represents shares held directly by ARCH Venture Fund X, L.P. ("ARCH X"). ARCH Venture Partners X, L.P. ("AVP X LP") is the sole general partner of ARCH X. Represents shares held directly by ARCH Venture Fund X Overage, L.P. ("ARCH X Overage"). ARCH Venture Partners X Overage, L.P. ("AVP X Overage LP") is the sole general partner of ARCH X Overage. ARCH Venture Partners X, LLC ("AVP X LLC") is the sole general partner of each of AVP X LP and AVP X Overage LP. Keith Crandell, Kristina Burow and Steven Gillis are members of the investment committee of AVP X LLC (the "AVP X Committee Members"). AVP X LP and AVP X Overage LP may be deemed to beneficially own the shares held by ARCH X and ARCH X Overage, respectively, AVP X LLC may be deemed to beneficially own the shares held by ARCH X and ARCH X Overage, and each of the AVP X Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH X and ARCH X Overage. AVP X LP, AVP X Overage LP, AVP X LLC, and the AVP X Committee Members each disclaim beneficial ownership except to the extent of any pecuniary interest therein, and this report shall not be deemed an admission that such shares are beneficially owned by them for Section 16 or any other purpose. Represents shares held directly by ARCH Venture Fund XII, L.P. ("ARCH XII"). ARCH Venture Partners XII, L.P. ("AVP XII LP") is the general partner of ARCH XII. ARCH Venture Partners XII, LLC ("AVP XII LLC") is the general partner of AVP XII LP. Keith Crandell, Kristina Burow and Steven Gillis are members of the investment committee of AVP XII LLC (the "AVP XII LLC Committee Members"). Each of AVP XII LP and AVP XII LLC may be deemed to beneficially own the shares held by ARCH XII, and each of the AVP XII LLC Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH XII. Each of AVP XII LP, AVP XII LLC and the AVP XII LLC Committee Members disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any. This Form 4 is one of two reports relating to the same transaction being filed jointly by ARCH X, AVP X LP, ARCH X Overage, AVP X Overage LP, AVP X LLC, ARCH XII, AVP XII LP, AVP XII LLC, Keith Crandell, Kristina Burow and Steven Gillis (collectively, the "Reporting Persons"). Robert Nelsen has direct ownership of Common Stock and is filing his own Form 4 separately. /s/ ARCH Venture Fund XII, L.P., By: ARCH Venture Partners XII, L.P., its General Partner, By: ARCH Venture Partners XII, LLC, its General Partner, By: Mark McDonnell, attorney-in-fact 2024-02-20 /s/ ARCH Venture Partners XII, L.P., By: ARCH Venture Partners XII, LLC, its General Partner, By: Mark McDonnell, attorney-in-fact 2024-02-20 /s/ ARCH Venture Fund XII, LLC, By: Mark McDonnell, attorney-in-fact 2024-02-20