0001209191-16-104884.txt : 20160302 0001209191-16-104884.hdr.sgml : 20160302 20160302183443 ACCESSION NUMBER: 0001209191-16-104884 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20160302 FILED AS OF DATE: 20160302 DATE AS OF CHANGE: 20160302 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Syndax Pharmaceuticals Inc CENTRAL INDEX KEY: 0001395937 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 320162505 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 460 TOTTEN POND ROAD STREET 2: SUITE 650 CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: 781-419-1400 MAIL ADDRESS: STREET 1: 460 TOTTEN POND ROAD STREET 2: SUITE 650 CITY: WALTHAM STATE: MA ZIP: 02451 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: KAILIAN VAUGHN M CENTRAL INDEX KEY: 0001180429 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 161478940 MAIL ADDRESS: STREET 1: P.O. BOX 70 CITY: BODEGA STATE: CA ZIP: 94922 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MPM BioVentures IV Strategic Fund, L.P. CENTRAL INDEX KEY: 0001577429 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 161478942 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 IV LLC CENTRAL INDEX KEY: 0001358312 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 161478943 BUSINESS ADDRESS: STREET 1: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-425-9200 MAIL ADDRESS: STREET 1: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MPM Asset Management Investors BV4 LLC CENTRAL INDEX KEY: 0001358313 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 161478946 BUSINESS ADDRESS: STREET 1: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-425-9200 MAIL ADDRESS: STREET 1: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Scopa James Paul CENTRAL INDEX KEY: 0001356950 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 161478948 MAIL ADDRESS: STREET 1: 601 GATEWAY BOULEVARD STREET 2: SUITE 350 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MPM BioVentures IV QP LP CENTRAL INDEX KEY: 0001358309 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 161478949 BUSINESS ADDRESS: STREET 1: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-425-9200 MAIL ADDRESS: STREET 1: 200 CLARENDON STREET, 54TH FLOOR 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: 001-37708 FILM NUMBER: 161478941 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 BioVentures IV GmbH & Co. Beteiligungs KG CENTRAL INDEX KEY: 0001412336 STATE OF INCORPORATION: 2M FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 161478945 BUSINESS ADDRESS: STREET 1: THE JOHN HANCOCK TOWER STREET 2: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-425-9200 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 BioVentures IV GP LLC CENTRAL INDEX KEY: 0001358311 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 161478944 BUSINESS ADDRESS: STREET 1: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-425-9200 MAIL ADDRESS: STREET 1: 200 CLARENDON STREET, 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Foley Todd CENTRAL INDEX KEY: 0001473930 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 161478947 MAIL ADDRESS: STREET 1: THE JOHN HANCOCK TOWER STREET 2: 200 CLARENDON STREET 54TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 3 1 doc3.xml FORM 3 SUBMISSION X0206 3 2016-03-02 0 0001395937 Syndax Pharmaceuticals Inc SNDX 0001358309 MPM BioVentures IV QP LP C/O MPM ASSET MANAGEMENT 450 KENDALL STREET BOSTON MA 02142 0 0 1 0 0001356950 Scopa James Paul C/O MPM ASSET MANAGEMENT 601 GATEWAY BLVD., SUITE 350 SOUTH SAN FRANCISCO CA 94080 0 0 1 0 0001473930 Foley Todd C/O MPM ASSET MANAGEMENT 450 KENDALL STREET BOSTON MA 02142 0 0 1 0 0001358313 MPM Asset Management Investors BV4 LLC C/O MPM ASSET MANAGEMENT 450 KENDALL STREET BOSTON MA 02142 0 0 1 0 0001412336 MPM BioVentures IV GmbH & Co. Beteiligungs KG C/O MPM ASSET MANAGEMENT 450 KENDALL STREET BOSTON MA 02142 0 0 1 0 0001358311 MPM BioVentures IV GP LLC C/O MPM ASSET MANAGEMENT 450 KENDALL STREET BOSTON MA 02142 0 0 1 0 0001358312 MPM BioVentures IV LLC C/O MPM ASSET MANAGEMENT 450 KENDALL STREET BOSTON MA 02142 0 0 1 0 0001577429 MPM BioVentures IV Strategic Fund, L.P. C/O MPM ASSET MANAGEMENT 450 KENDALL STREET BOSTON MA 02142 0 0 1 0 0001134655 GADICKE ANSBERT C/O MPM ASSET MANAGEMENT 450 KENDALL STREET BOSTON MA 02142 0 0 1 0 0001180429 KAILIAN VAUGHN M C/O MPM ASSET MANAGEMENT 450 KENDALL STREET BOSTON MA 02142 0 0 1 0 Series A-1 Preferred Stock Common Stock 1138210 I See Footnote Series B-1 Preferred Stock Common Stock 718396 I See Footnote Series C-1 Preferred Stock Common Stock 312085 I See Footnote The reported securities are convertible at any time on a one-for-one basis, in whole or in part, at the option of the holder, have no expiration date, and will convert into shares of common stock immediately prior to the closing of the Issuer's initial public offering. The shares are held as follows: 948,247 by MPM BioVentures IV-QP, L.P. ("BV IV QP"), 36,532 by MPM BioVentures IV GmbH & Co. Beteiligungs KG ("BV IV KG"), 26,964 by MPM Asset Management Investors BV4 LLC ("AM BV4") and 126,467 shares held by MPM BioVentures IV Strategic Fund, L.P. ("BV IV SF"). MPM BioVentures IV GP LLC and MPM BioVentures IV LLC ("BV LLC") are the direct and indirect general partners of BV IV QP, BV IV KG and BV IV SF and BV LLC is the manager of AM BV4. Ansbert Gadicke, Luke Evnin, Vaughn M. Kailian, James Paul Scopa and Todd Foley are the members of BV LLC. 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: 598,509 by BV IV QP, 23,053 by BV IV KG, 17,013 by AM BV4 and 79,821 shares held by BV IV SF. 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: 260,003 by BV IV QP, 10,015 by BV IV KG, 7,392 by AM BV4 and 34,675 shares held by BV IV SF. 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 IV LLC, the managing member of MPM BioVentures IV GP LLC, the general partner of MPM BioVentures IV QP, L.P. /s/ Luke Evnin 2016-03-02 /s/ James Paul Scopa 2016-03-02 /s/ Todd Foley 2016-03-02 By Luke Evnin, member of MPM BioVentures IV LLC, the manager of MPM Asset Management Investors BV4 LLC /s/ Luke Evnin 2016-03-02 By Luke Evnin, member of MPM BioVentures IV LLC, the managing member of MPM BioVentures IV GP LLC, the managing limited partner of MPM BioVentures IV GmbH & Co. /s/ Luke Evnin 2016-03-02 By Luke Evnin, member of MPM BioVentures IV LLC, the managing member of MPM BioVentures IV GP LLC /s/ Luke Evnin 2016-03-02 By Luke Evnin, member of MPM BioVentures IV LLC /s/ Luke Evnin 2016-03-02 By Luke Evnin, member of MPM BioVentures IV LLC, the managing member of MPM BioVentures IV GP LLC, the general partner of MPM BioVentures IV Strategic Fund, L.P. /s/ Luke Evnin 2016-03-02 /s/ Ansbert Gadicke 2016-03-02 /s/ Vaughn M. Kailian 2016-03-02