0001209191-17-056612.txt : 20171011 0001209191-17-056612.hdr.sgml : 20171011 20171011142517 ACCESSION NUMBER: 0001209191-17-056612 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20171010 FILED AS OF DATE: 20171011 DATE AS OF CHANGE: 20171011 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: EVNIN LUKE CENTRAL INDEX KEY: 0001134657 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 171132420 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: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 171132419 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: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 171132418 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: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 171132417 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: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 171132416 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: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38223 FILM NUMBER: 171132421 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 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2017-10-10 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 2017-10-10 4 C 0 2567014 A 2596392 I See Footnote Common Stock 2017-10-10 4 P 0 100000 17.00 A 2696392 I See Footnote Series A Preferred Stock 2017-10-10 4 C 0 7651831 0.00 D Common Stock 834441 0 I See Footnote Series A-1 Junior Preferred Stock 2017-10-10 4 C 0 15887703 0.00 D Common Stock 1732573 0 I See Footnote Each share of preferred stock converted into approximately 0.10905125 shares of common stock upon the closing of the issuer's initial public offering. The shares had no expiration date. The shares are held as follows: 2,499,299 by MPM BioVentures V, L.P. ("BV V") and 97,093 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 4. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein. Shares were purchased as follows: 96,260 by BV V and 3,740 by AM BV5. Shares are held as follows: 2,595,559 by BV V and 100,833 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 of Series A Preferred Stock were held as follows: 7,365,688 by BV V and 286,143 by AM BV5. The shares of Series A-1 Junior Preferred Stock were held as follows: 15,293,569 by BV V and 594,134 by AM BV5. 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 2017-10-11 /s/ Luke Evnin 2017-10-11 /s/ Ansbert Gadicke 2017-10-11 By Luke Evnin, member of MPM BioVentures V LLC, the manager of MPM Asset Management Investors BV5 LLC /s/ Luke Evnin 2017-10-11 By Luke Evnin, member of MPM BioVentures V LLC, the managing member of MPM BioVentures V GP LLC /s/ Luke Evnin 2017-10-11 By Luke Evnin, member of MPM BioVentures V LLC /s/ Luke Evnin 2017-10-11