0001209191-15-056411.txt : 20150625 0001209191-15-056411.hdr.sgml : 20150625 20150625173720 ACCESSION NUMBER: 0001209191-15-056411 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150625 FILED AS OF DATE: 20150625 DATE AS OF CHANGE: 20150625 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Seres Therapeutics, Inc. CENTRAL INDEX KEY: 0001609809 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 274326290 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 215 FIRST STREET STREET 2: SUITE 440 CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617 945 9626 MAIL ADDRESS: STREET 1: 215 FIRST STREET STREET 2: SUITE 440 CITY: CAMBRIDGE STATE: MA ZIP: 02142 FORMER COMPANY: FORMER CONFORMED NAME: Seres Health, Inc. DATE OF NAME CHANGE: 20140603 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: KANIA EDWIN M JR CENTRAL INDEX KEY: 0001255927 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37465 FILM NUMBER: 15952593 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Flagship Ventures Fund IV General Partner LLC CENTRAL INDEX KEY: 0001508051 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37465 FILM NUMBER: 15952594 BUSINESS ADDRESS: STREET 1: ONE MEMORIAL DRIVE STREET 2: 7TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-868-1888 MAIL ADDRESS: STREET 1: ONE MEMORIAL DRIVE STREET 2: 7TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Flagship Ventures 2007 General Partner LLC CENTRAL INDEX KEY: 0001508053 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37465 FILM NUMBER: 15952595 BUSINESS ADDRESS: STREET 1: ONE MEMORIAL DRIVE STREET 2: 7TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-868-1888 MAIL ADDRESS: STREET 1: ONE MEMORIAL DRIVE STREET 2: 7TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Flagship Ventures Fund IV, L.P. CENTRAL INDEX KEY: 0001503559 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37465 FILM NUMBER: 15952598 BUSINESS ADDRESS: STREET 1: ONE MEMORIAL DRIVE STREET 2: 7TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-868-1888 MAIL ADDRESS: STREET 1: ONE MEMORIAL DRIVE STREET 2: 7TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Flagship Ventures Fund 2007, L.P. CENTRAL INDEX KEY: 0001508052 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37465 FILM NUMBER: 15952599 BUSINESS ADDRESS: STREET 1: ONE MEMORIAL DRIVE STREET 2: 7TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-868-1888 MAIL ADDRESS: STREET 1: ONE MEMORIAL DRIVE STREET 2: 7TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: AFEYAN NOUBAR CENTRAL INDEX KEY: 0001222012 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37465 FILM NUMBER: 15952600 MAIL ADDRESS: STREET 1: 1 SUNSET RIDGE CITY: LEXINGTON STATE: MA ZIP: 02173 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Flagship Ventures Fund IV-Rx, L.P. CENTRAL INDEX KEY: 0001590973 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37465 FILM NUMBER: 15952597 BUSINESS ADDRESS: STREET 1: ONE MEMORIAL DRIVE STREET 2: 7TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-868-1888 MAIL ADDRESS: STREET 1: C/O ELEVEN BIOTHERAPEUTICS STREET 2: 215 FIRST STREET, SUITE 400 CITY: CAMBRIDGE STATE: MA ZIP: 02142 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Flagship VentureLabs IV, LLC CENTRAL INDEX KEY: 0001642578 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37465 FILM NUMBER: 15952596 BUSINESS ADDRESS: STREET 1: ONE MEMORIAL DRIVE STREET 2: 7TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02143 BUSINESS PHONE: 617-868-1888 MAIL ADDRESS: STREET 1: ONE MEMORIAL DRIVE STREET 2: 7TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02143 3 1 doc3.xml FORM 3 SUBMISSION X0206 3 2015-06-25 0 0001609809 Seres Therapeutics, Inc. MCRB 0001222012 AFEYAN NOUBAR 1 MEMORIAL DRIVE, 7TH FLOOR CAMBRIDGE MA 02142 1 0 1 0 0001508052 Flagship Ventures Fund 2007, L.P. 1 MEMORIAL DRIVE, 7TH FLOOR CAMBRIDGE MA 02142 0 0 1 0 0001503559 Flagship Ventures Fund IV, L.P. 1 MEMORIAL DRIVE, 7TH FLOOR CAMBRIDGE MA 02142 0 0 1 0 0001590973 Flagship Ventures Fund IV-Rx, L.P. 1 MEMORIAL DRIVE, 7TH FLOOR CAMBRIDGE MA 02142 0 0 1 0 0001642578 Flagship VentureLabs IV, LLC 1 MEMORIAL DRIVE, 7TH FLOOR CAMBRIDGE MA 02142 0 0 1 0 0001508053 Flagship Ventures 2007 General Partner LLC 1 MEMORIAL DRIVE, 7TH FLOOR CAMBRIDGE MA 02142 0 0 1 0 0001508051 Flagship Ventures Fund IV General Partner LLC 1 MEMORIAL DRIVE, 7TH FLOOR CAMBRIDGE MA 02142 0 0 1 0 0001255927 KANIA EDWIN M JR 1 MEMORIAL DRIVE, 7TH FLOOR CAMBRIDGE MA 02142 0 0 1 0 Common Stock 3055556 I See Footnote Series A Convertible Preferred Stock Common Stock 6105362 I See Footnote Series A Convertible Preferred Stock Common Stock 1526338 I See Footnote Series A Convertible Preferred Stock Common Stock 599297 I See Footnote Series A-2 Convertible Preferred Stock Common Stock 898877 I See Footnote Series A-2 Convertible Preferred Stock Common Stock 224719 I See Footnote Series B Convertible Preferred Stock Common Stock 1818181 I See Footnote Series B Convertible Preferred Stock Common Stock 454546 I See Footnote Held by Flagship VentureLabs IV LLC ("Flagship VentureLabs"). Flagship Ventures Fund IV, L.P. ("Flagship Fund IV") is a member of Flagship VentureLabs and also serves as its manager. Flagship Ventures Fund IV General Partner LLC ("Flagship Fund IV GP") is the general partner of Flagship Fund IV. Noubar B. Afeyan, Ph.D. and Edwin M. Kania, Jr. are the managers of Flagship Fund IV GP. Each of these individuals and entities may be deemed to share voting and investment power with respect to all shares held by Flagship VentureLabs. Each of the filing persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein. Held by Flagship Fund IV. Flagship Fund IV GP is the general partner of Flagship Fund IV. Noubar B. Afeyan, Ph.D. and Edwin M. Kania, Jr. are the managers of Flagship Fund IV GP and each of these individuals may be deemed to share voting and investment power with respect to all shares held by Flagship Fund IV. Each of the filing persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein. Held by Flagship Ventures Fund IV-Rx, L.P. ("Flagship IV-Rx"). Flagship Fund IV GP is the general partner of Flagship IV-Rx. Noubar B. Afeyan, Ph.D. and Edwin M. Kania, Jr. are the managers of Flagship Fund IV GP. Flagship Fund IV GP and each of these individuals may be deemed to share voting and investment power with respect to all shares held by Flagship IV-Rx. Each of the filing persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein. Held by Flagship Ventures Fund 2007, L.P. ("Flagship 2007"). Flagship Ventures 2007 General Partner LLC ("Flagship 2007 LLC") is the general partner of Flagship 2007. Noubar B. Afeyan, Ph.D. and Edwin M. Kania, Jr. are the managers of Flagship 2007 LLC. Flagship 2007 LLC and each of these individuals may be deemed to share voting and investment power with respect to all shares held by Flagship 2007. Each of the filing persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein. Each class of preferred stock is convertible into Common Stock on a 1-for-1 basis upon the listing of the issuer's securities on The NASDAQ Global Select Exchange and has no expiration date. NOUBAR B. AFEYAN, PH.D, /s/ Noubar Afeyan 2015-06-25 FLAGSHIP VENTURES FUND 2007, L.P., By: Flagship Ventures 2007 General Partner, LLC, By: /s/ Noubar Afeyan, Name: Noubar B. Afeyan, Title: Manager 2015-06-25 FLAGSHIP VENTURES 2007 GENERAL PARTNER, LLC, By: /s/ Noubar Afeyan, Name: Noubar B. Afeyan, Title: Manager 2015-06-25 FLAGSHIP VENTURES FUND IV, L.P., By: Flagship Ventures Fund IV General Partner, LLC, By: /s/ Noubar Afeyan, Name: Noubar B. Afeyan, Title: Manager 2015-06-25 FLAGSHIP VENTURES FUND IV GENERAL PARTNER LLC, By: /s/ Noubar Afeyan, Name: Noubar B. Afeyan, Title: Manager 2015-06-25 FLAGSHIP VENTURES FUND IV-RX, L.P., By: Flagship Ventures 2007 General Partner, LLC, By: /s/ Noubar Afeyan, Name: Noubar B. Afeyan, Title: Manager 2015-06-25 FLAGSHIP VENTURELABS IV, LLC, By: Flagship Ventures Fund IV General Partner LLC, By: /s/ Noubar Afeyan 2015-06-25 EDWIN M. KANIA, JR., /s/ Edwin Kania, Jr. 2015-06-25