0000921895-17-002831.txt : 20171208 0000921895-17-002831.hdr.sgml : 20171208 20171208190107 ACCESSION NUMBER: 0000921895-17-002831 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20171128 FILED AS OF DATE: 20171208 DATE AS OF CHANGE: 20171208 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LAMPERT MARK N CENTRAL INDEX KEY: 0001233840 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 171248105 MAIL ADDRESS: STREET 1: 1 SANSOME ST STREET 2: 30TH FL CITY: SAN FRANCISCO STATE: CA ZIP: 94104 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BVF PARTNERS L P/IL CENTRAL INDEX KEY: 0001055947 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 171248111 BUSINESS ADDRESS: STREET 1: 1 SANSOME ST STREET 2: 30TH FL CITY: SAN FRANCISCO STATE: CA ZIP: 94104 BUSINESS PHONE: 3125066500 MAIL ADDRESS: STREET 1: 1 SANSOME ST STREET 2: 30TH FL CITY: SAN FRANCISCO STATE: CA ZIP: 94104 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BVF INC/IL CENTRAL INDEX KEY: 0001056807 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 171248106 BUSINESS ADDRESS: STREET 1: 1 SANSOME ST STREET 2: 30TH FL CITY: SAN FRANCISCO STATE: CA ZIP: 94104 BUSINESS PHONE: 3125066500 MAIL ADDRESS: STREET 1: 1 SANSOME ST STREET 2: 30TH FL CITY: SAN FRANCISCO STATE: CA ZIP: 94104 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BIOTECHNOLOGY VALUE FUND II LP CENTRAL INDEX KEY: 0001102444 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 171248109 BUSINESS ADDRESS: STREET 1: 1 SANSOME ST STREET 2: 30TH FL CITY: SAN FRANCISCO STATE: CA ZIP: 94104 BUSINESS PHONE: 3125066500 MAIL ADDRESS: STREET 1: 1 SANSOME ST STREET 2: 30TH FL CITY: SAN FRANCISCO STATE: CA ZIP: 94104 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BIOTECHNOLOGY VALUE FUND L P CENTRAL INDEX KEY: 0000918923 STANDARD INDUSTRIAL CLASSIFICATION: INVESTMENT ADVICE [6282] STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 171248110 BUSINESS ADDRESS: STREET 1: 1 SANSOME ST STREET 2: 30TH FL CITY: SAN FRANCISCO STATE: CA ZIP: 94104 BUSINESS PHONE: 3125066500 MAIL ADDRESS: STREET 1: 1 SANSOME ST STREET 2: 30TH FL CITY: SAN FRANCISCO STATE: CA ZIP: 94104 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Biotechnology Value Trading Fund OS LP CENTRAL INDEX KEY: 0001660683 STATE OF INCORPORATION: E9 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 171248108 BUSINESS ADDRESS: STREET 1: P.O. BOX 309 UGLAND HOUSE CITY: GRAND CAYMAN STATE: E9 ZIP: KY1-1104 BUSINESS PHONE: (415) 525-8890 MAIL ADDRESS: STREET 1: P.O. BOX 309 UGLAND HOUSE CITY: GRAND CAYMAN STATE: E9 ZIP: KY1-1104 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BVF Partners OS Ltd. CENTRAL INDEX KEY: 0001660684 STATE OF INCORPORATION: E9 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 171248107 BUSINESS ADDRESS: STREET 1: P.O. BOX 309 UGLAND HOUSE CITY: GRAND CAYMAN STATE: E9 ZIP: KY1-1104 BUSINESS PHONE: (415) 525-8890 MAIL ADDRESS: STREET 1: P.O. BOX 309 UGLAND HOUSE CITY: GRAND CAYMAN STATE: E9 ZIP: KY1-1104 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: 35 GATEHOUSE DRIVE STREET 2: BUILDING D, FLOOR 3 CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: 781-419-1400 MAIL ADDRESS: STREET 1: 35 GATEHOUSE DRIVE STREET 2: BUILDING D, FLOOR 3 CITY: WALTHAM STATE: MA ZIP: 02451 3 1 form307422sndx_12082017.xml OWNERSHIP DOCUMENT X0206 3 2017-11-28 0 0001395937 Syndax Pharmaceuticals Inc SNDX 0001055947 BVF PARTNERS L P/IL ONE SANSOME STREET 30TH FLOOR SAN FRANCISCO CA 94104 0 0 1 0 0000918923 BIOTECHNOLOGY VALUE FUND L P ONE SANSOME STREET 30TH FLOOR SAN FRANCISCO CA 94104 0 0 0 1 See Explanation of Responses 0001102444 BIOTECHNOLOGY VALUE FUND II LP ONE SANSOME STREET 30TH FLOOR SAN FRANCISCO CA 94104 0 0 0 1 See Explanation of Responses 0001660683 Biotechnology Value Trading Fund OS LP P.O. BOX 309 UGLAND HOUSE GRAND CAYMAN E9 KY1-1104 CAYMAN ISLANDS 0 0 0 1 See Explanation of Responses 0001660684 BVF Partners OS Ltd. P.O. BOX 309 UGLAND HOUSE GRAND CAYMAN E9 KY1-1104 CAYMAN ISLANDS 0 0 0 1 See Explanation of Responses 0001056807 BVF INC/IL ONE SANSOME STREET 30TH FLOOR SAN FRANCISCO CA 94104 0 0 1 0 0001233840 LAMPERT MARK N ONE SANSOME STREET 30TH FLOOR SAN FRANCISCO CA 94104 0 0 1 0 Common Stock, $0.0001 par value per share 1603416 D Common Stock, $0.0001 par value per share 1023884 D Common Stock, $0.0001 par value per share 273784 D This Form 3 is filed jointly by Biotechnology Value Fund, L.P. ("BVF"), Biotechnology Value Fund II, L.P. ("BVF2"), Biotechnology Value Trading Fund OS LP ("Trading Fund OS"), BVF Partners OS Ltd. ("Partners OS"), BVF Partners L.P. ("Partners"), BVF Inc. and Mark N. Lampert (collectively, the "Reporting Persons"). Each of the Reporting Persons is a member of a Section 13(d) group that collectively owns more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein. Shares of Common Stock owned directly by BVF. As the general partner of BVF, Partners may be deemed to beneficially own the shares of Common Stock owned directly by BVF. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the shares of Common Stock owned directly by BVF. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the shares of Common Stock owned directly by BVF. Shares of Common Stock owned directly by BVF2. As the general partner of BVF2, Partners may be deemed to beneficially own the shares of Common Stock owned directly by BVF2. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the shares of Common Stock owned directly by BVF2. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the shares of Common Stock owned directly by BVF2. Shares of Common Stock owned directly by Trading Fund OS. As the general partner of Trading Fund OS, Partners OS may be deemed to beneficially own the shares of Common Stock owned directly by Trading Fund OS. As the investment manager of Trading Fund OS and the sole member of Partners OS, Partners may be deemed to beneficially own the shares of Common Stock owned directly by Trading Fund OS. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the shares of Common Stock owned directly by Trading Fund OS. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the shares of Common Stock owned directly by Trading Fund OS. BVF Partners L.P., By: BVF Inc., its general partner, By: /s/ Mark N. Lampert, President 2017-12-08 Biotechnology Value Fund, L.P., By: BVF Partners L.P., its general partner, By: BVF Inc., its general partner, By: /s/ Mark N. Lampert, President 2017-12-08 Biotechnology Value Fund II, L.P., By: BVF Partners L.P., its general partner, By: BVF Inc., its general partner, By: /s/ Mark N. Lampert, President 2017-12-08 BVF Partners OS Ltd., By: BVF Partners L.P., its sole member, By: BVF Inc., its general partner, By: /s/ Mark N. Lampert, President 2017-12-08 Biotechnology Value Trading Fund OS LP, By: BVF Partners L.P., its investment manager, BVF Inc., its general partner, By: /s/ Mark N. Lampert, President 2017-12-08 BVF Inc., By: /s/ Mark N. Lampert, President 2017-12-08 /s/ Mark N. Lampert 2017-12-08