0000950170-24-070077.txt : 20240606 0000950170-24-070077.hdr.sgml : 20240606 20240606185710 ACCESSION NUMBER: 0000950170-24-070077 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240606 FILED AS OF DATE: 20240606 DATE AS OF CHANGE: 20240606 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Third Rock Ventures V, L.P. CENTRAL INDEX KEY: 0001778071 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-42121 FILM NUMBER: 241026796 BUSINESS ADDRESS: STREET 1: 29 NEWBURY STREET, 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-585-2000 MAIL ADDRESS: STREET 1: 29 NEWBURY STREET, 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Third Rock Ventures VI, L.P. CENTRAL INDEX KEY: 0001931056 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-42121 FILM NUMBER: 241026793 BUSINESS ADDRESS: STREET 1: 29 NEWBURY STREET, 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-585-2000 MAIL ADDRESS: STREET 1: 29 NEWBURY STREET, 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Third Rock Ventures GP V, LP CENTRAL INDEX KEY: 0001977498 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-42121 FILM NUMBER: 241026795 BUSINESS ADDRESS: STREET 1: 201 BROOKLINE AVE STREET 2: SUITE 1401 CITY: BOSTON STATE: MA ZIP: 02215 BUSINESS PHONE: 6175852000 MAIL ADDRESS: STREET 1: 201 BROOKLINE AVE STREET 2: SUITE 1401 CITY: BOSTON STATE: MA ZIP: 02215 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Third Rock Ventures GP VI, L.P. CENTRAL INDEX KEY: 0001977499 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-42121 FILM NUMBER: 241026792 BUSINESS ADDRESS: STREET 1: 201 BROOKLINE AVE STREET 2: SUITE 1401 CITY: BOSTON STATE: MA ZIP: 02215 BUSINESS PHONE: 6175852000 MAIL ADDRESS: STREET 1: 201 BROOKLINE AVE STREET 2: SUITE 1401 CITY: BOSTON STATE: MA ZIP: 02215 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: TRV GP VI, LLC CENTRAL INDEX KEY: 0001990716 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-42121 FILM NUMBER: 241026791 BUSINESS ADDRESS: STREET 1: 201 BROOKLINE AVE. CITY: BOSTON STATE: MA ZIP: 02215 BUSINESS PHONE: 617-585-2000 MAIL ADDRESS: STREET 1: 201 BROOKLINE AVE. CITY: BOSTON STATE: MA ZIP: 02215 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: TRV GP V, LLC CENTRAL INDEX KEY: 0001990717 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-42121 FILM NUMBER: 241026794 BUSINESS ADDRESS: STREET 1: 201 BROOKLINE AVE. CITY: BOSTON STATE: MA ZIP: 02215 BUSINESS PHONE: 617-585-2000 MAIL ADDRESS: STREET 1: 201 BROOKLINE AVE. CITY: BOSTON STATE: MA ZIP: 02215 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Rapport Therapeutics, Inc. CENTRAL INDEX KEY: 0002012593 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 880724208 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1325 BOYLSTON STREET STREET 2: SUITE 401 CITY: BOSTON STATE: MA ZIP: 02215 BUSINESS PHONE: 857-321-8020 MAIL ADDRESS: STREET 1: 1325 BOYLSTON STREET STREET 2: SUITE 401 CITY: BOSTON STATE: MA ZIP: 02215 3 1 ownership.xml 3 X0206 3 2024-06-06 0 0002012593 Rapport Therapeutics, Inc. RAPP 0001778071 Third Rock Ventures V, L.P. C/O THIRD ROCK VENTURES, LLC 201 BROOKLINE AVE, SUITE 1401 BOSTON MA 02215 false false true false 0001977498 Third Rock Ventures GP V, LP C/O THIRD ROCK VENTURES, LLC 201 BROOKLINE AVE, SUITE 1401 BOSTON MA 02215 false false true false 0001990717 TRV GP V, LLC C/O THIRD ROCK VENTURES, LLC 201 BROOKLINE AVE, SUITE 1401 BOSTON MA 02215 false false true false 0001931056 Third Rock Ventures VI, L.P. C/O THIRD ROCK VENTURES, LLC 201 BROOKLINE AVE, SUITE 1401 BOSTON MA 02215 false false true false 0001977499 Third Rock Ventures GP VI, L.P. C/O THIRD ROCK VENTURES, LLC 201 BROOKLINE AVE, SUITE 1401 BOSTON MA 02215 false false true false 0001990716 TRV GP VI, LLC C/O THIRD ROCK VENTURES, LLC 201 BROOKLINE AVE, SUITE 1401 BOSTON MA 02215 false false true false Common Stock 583784 D Series A Preferred Stock Common Stock 6551449 D Series A Preferred Stock Common Stock 934400 I By Third Rock Ventures VI, L.P. Series B Preferred Stock Common Stock 34818 I By Third Rock Ventures VI, L.P. The shares are held directly by Third Rock Ventures V, L.P. ("TRV V"). The general partner of TRV V is Third Rock Ventures GP V, L.P. ("TRV GP V"). The general partner of TRV GP V is TRV GP V, LLC ("TRV GP V LLC"). Each of TRV GP V, and TRV GP V LLC, disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that it is the beneficial owner of such shares. Each share of Series A Preferred Stock and Series B Preferred Stock (collectively, the "Preferred Stock") is convertible into Common Stock on a one-for-8.5648 basis at the option of the holder, and will convert automatically upon closing of the Issuer's initial public offering into the number of shares shown in column 3 without payment of consideration. The Preferred Stock has no expiration date. The shares are held directly by Third Rock Ventures VI, L.P. ("TRV VI"). The general partner of TRV VI is Third Rock Ventures GP VI, L.P. ("TRV GP VI"). The general partner of TRV GP VI is TRV GP VI, LLC ("TRV GP VI LLC"). Each of TRV GP VI, and TRV GP VI LLC, disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that it is the beneficial owner of such shares. Each of Reporting Persons disclaims the existence of a Section 13(d) "group" as between the TRV V related parties and the TRV VI related parties and this report shall not be deemed an admission that any of such parties is or may be part of such a group with any of the other parties. /s/ Kevin Gillis, Chief Operating Officer of TRV GP V, LLC, general partner of Third Rock Ventures GP V, L.P., general partner of Third Rock Ventures V, L.P. 2024-06-06 /s/ Kevin Gillis, Chief Operating Officer of TRV GP V, LLC, general partner of Third Rock Ventures GP V, L.P. 2024-06-06 /s/ Kevin Gillis, Chief Operating Officer of TRV GP V, LLC 2024-06-06 /s/ Kevin Gillis, Chief Operating Officer of TRV GP VI, LLC, general partner of Third Rock Ventures GP VI, L.P., general partner of Third Rock Ventures VI, L.P. 2024-06-06 /s/ Kevin Gillis, Chief Operating Officer of TRV GP VI, LLC, general partner of Third Rock Ventures GP VI, L.P. 2024-06-06 /s/ Kevin Gillis, Chief Operating Officer of TRV GP VI, LLC 2024-06-06