0001209191-17-055893.txt : 20171004 0001209191-17-055893.hdr.sgml : 20171004 20171004164424 ACCESSION NUMBER: 0001209191-17-055893 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20171004 FILED AS OF DATE: 20171004 DATE AS OF CHANGE: 20171004 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: EVNIN LUKE CENTRAL INDEX KEY: 0001134657 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 171122164 MAIL ADDRESS: STREET 1: THE JOHN HANCOCK TOWER STREET 2: 200 CLARENDON STREET, 54TH STREET CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: GADICKE ANSBERT CENTRAL INDEX KEY: 0001134655 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 171122163 MAIL ADDRESS: STREET 1: THE JOHN HANCOCK TOWER STREET 2: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MPM ASSET MANAGEMENT INVESTORS BV5 LLC CENTRAL INDEX KEY: 0001541412 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 171122162 BUSINESS ADDRESS: STREET 1: C/O MPM ASSET MANAGEMENT STREET 2: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-425-9200 MAIL ADDRESS: STREET 1: C/O MPM ASSET MANAGEMENT STREET 2: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MPM BIOVENTURES V GP LLC CENTRAL INDEX KEY: 0001482714 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 171122161 BUSINESS ADDRESS: STREET 1: MPM ASSET MANAGEMENT STREET 2: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: (617) 425-9200 MAIL ADDRESS: STREET 1: MPM ASSET MANAGEMENT STREET 2: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MPM BIOVENTURES V LLC CENTRAL INDEX KEY: 0001482715 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 171122160 BUSINESS ADDRESS: STREET 1: MPM ASSET MANAGEMENT STREET 2: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: (617) 425-9200 MAIL ADDRESS: STREET 1: MPM ASSET MANAGEMENT STREET 2: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MPM BIOVENTURES V, L.P. CENTRAL INDEX KEY: 0001482716 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 171122165 BUSINESS ADDRESS: STREET 1: MPM ASSET MANAGEMENT STREET 2: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: (617) 425-9200 MAIL ADDRESS: STREET 1: MPM ASSET MANAGEMENT STREET 2: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: RHYTHM PHARMACEUTICALS, INC. CENTRAL INDEX KEY: 0001649904 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 462159271 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 500 BOYLSTON STREET STREET 2: 11TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 857-264-4280 MAIL ADDRESS: STREET 1: 500 BOYLSTON STREET STREET 2: 11TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 FORMER COMPANY: FORMER CONFORMED NAME: RHYTHM METABOLIC, INC. DATE OF NAME CHANGE: 20150803 3 1 doc3.xml FORM 3 SUBMISSION X0206 3 2017-10-04 0 0001649904 RHYTHM PHARMACEUTICALS, INC. RYTM 0001482716 MPM BIOVENTURES V, L.P. C/O MPM ASSET MANAGEMENT 450 KENDALL STREET CAMBRIDGE MA 02142 0 0 1 0 0001134657 EVNIN LUKE C/O MPM ASSET MANAGEMENT 450 KENDALL STREET CAMBRIDGE MA 02142 0 0 1 0 0001134655 GADICKE ANSBERT C/O MPM ASSET MANAGEMENT 450 KENDALL STREET CAMBRIDGE MA 02142 0 0 1 0 0001541412 MPM ASSET MANAGEMENT INVESTORS BV5 LLC C/O MPM ASSET MANAGMENT 450 KENDALL STREET CAMBRIDGE MA 02142 0 0 1 0 0001482714 MPM BIOVENTURES V GP LLC C/O MPM ASSET MANAGEMENT 450 KENDALL STREET CAMBRIDGE MA 02142 0 0 1 0 0001482715 MPM BIOVENTURES V LLC C/O MPM ASSET MANAGEMENT 450 KENDALL STREET CAMBRIDGE MA 02142 0 0 1 0 Common Stock 29378 I See Footnote Series A Preferred Stock Common Stock 834441 I See Footnote Series A-1 Junior Preferred Stock Common Stock 1732573 I See Footnote Reflects a 1-for-9.17 reverse split effective as of September 29, 2017. The shares are held as follows: 28,280 by MPM BioVentures V, L.P. ("BV V") and 1,098 by MPM Asset Management Investors BV5 LLC ("AM BV5"). MPM BioVentures V GP LLC and MPM BioVentures V LLC ("BV LLC") are the direct and indirect general partners of BV V and BV LLC is the manager of AM BV5. Ansbert Gadicke, Luke Evnin and Todd Foley are the members of BV LLC. Mr. Foley is a director of the Issuer and has separately filed a Form 3. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein. Each share of Series A Preferred Stock and Series A-1 Junior Preferred Stock is convertible into 0.10905125 of a share of Common Stock without payment of further consideration and will automatically convert into 0.10905125 of a share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. The shares have no expiration date. The shares are held as follows: 803,237 by BV V and 31,204 by AM BV5. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein. The shares are held as follows: 1,667,782 by BV V and 64,791 by AM BV5. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein. By Luke Evnin, member of MPM BioVentures V LLC, the managing member of MPM BioVentures V GP LLC, the general partner of MPM BioVentures V, L.P. /s/ Luke Evnin 2017-10-04 /s/ Luke Evnin 2017-10-04 /s/ Ansbert Gadicke 2017-10-04 By Luke Evnin, member of MPM BioVentures V LLC, the manager of MPM Asset Management Investors BV5 LLC /s/ Luke Evnin 2017-10-04 By Luke Evnin, member of MPM BioVentures V LLC, the managing member of MPM BioVentures V GP LLC /s/ Luke Evnin 2017-10-04 By Luke Evnin, member of MPM BioVentures V LLC /s/ Luke Evnin 2017-10-04