0001140361-16-085210.txt : 20161107 0001140361-16-085210.hdr.sgml : 20161107 20161107180324 ACCESSION NUMBER: 0001140361-16-085210 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20161103 FILED AS OF DATE: 20161107 DATE AS OF CHANGE: 20161107 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: PROTEOSTASIS THERAPEUTICS, INC. CENTRAL INDEX KEY: 0001445283 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE BUSINESS ADDRESS: STREET 1: 200 TECHNOLOGY SQUARE CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 617-225-0096 MAIL ADDRESS: STREET 1: 200 TECHNOLOGY SQUARE CITY: CAMBRIDGE STATE: MA ZIP: 02139 FORMER COMPANY: FORMER CONFORMED NAME: PROTEOSTASIS THERAPEUTICS INC DATE OF NAME CHANGE: 20080916 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Chen Bihua CENTRAL INDEX KEY: 0001599214 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37695 FILM NUMBER: 161979429 MAIL ADDRESS: STREET 1: C/O CORMORANT ASSET MANAGEMENT, LLC STREET 2: 200 CLARENDON STREET, 52ND FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Cormorant Global Healthcare Master Fund, LP CENTRAL INDEX KEY: 0001618442 STATE OF INCORPORATION: E9 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37695 FILM NUMBER: 161979430 BUSINESS ADDRESS: STREET 1: 200 CLARENDON STREET STREET 2: 52ND FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-848-3429 MAIL ADDRESS: STREET 1: 200 CLARENDON STREET STREET 2: 52ND FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Cormorant Global Healthcare GP, LLC CENTRAL INDEX KEY: 0001618451 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37695 FILM NUMBER: 161979431 BUSINESS ADDRESS: STREET 1: 100 HIGH STREET STREET 2: SUITE 1105 CITY: BOSTON STATE: DC ZIP: 02110 BUSINESS PHONE: 617-848-3429 MAIL ADDRESS: STREET 1: 100 HIGH STREET STREET 2: SUITE 1105 CITY: BOSTON STATE: DC ZIP: 02110 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Cormorant Asset Management, LLC CENTRAL INDEX KEY: 0001583977 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37695 FILM NUMBER: 161979432 BUSINESS ADDRESS: STREET 1: 200 CLARENDON STREET STREET 2: 52ND FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 857-702-0388 MAIL ADDRESS: STREET 1: 200 CLARENDON STREET STREET 2: 52ND FLOOR CITY: BOSTON STATE: MA ZIP: 02116 3 1 doc1.xml FORM 3 X0206 3 2016-11-03 0 0001445283 PROTEOSTASIS THERAPEUTICS, INC. PTI 0001583977 Cormorant Asset Management, LLC 200 CLARENDON STREET, 52ND FLOOR BOSTON MA 02116 0 0 1 0 0001618451 Cormorant Global Healthcare GP, LLC 200 CLARENDON STREET, 52ND FLOOR BOSTON MA 02116 0 0 1 0 0001618442 Cormorant Global Healthcare Master Fund, LP 200 CLARENDON STREET, 52ND FLOOR BOSTON MA 02116 0 0 1 0 0001599214 Chen Bihua C/O CORMORANT ASSET MANAGEMENT, LLC 200 CLARENDON STREET, 52ND FLOOR BOSTON MA 02116 1 0 1 0 Common Stock 2430605 I See Footnote Shares reported herein represent 2,028,000 shares held by Cormorant Global Healthcare Master Fund, LP (the "Master Fund") and 402,605 shares held by a managed account (the "Account"). Cormorant Asset Management, LLC ("Cormorant") serves as the investment manager of the Master Fund and the Account. Cormorant Global Healthcare GP, LLC ("GP LLC") serves as General Partner of the Master Fund. Bihua Chen serves as manager of Cormorant and GP LLC. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or her pecuniary interest therein, and the filing of this Form 3 shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any such shares for purposes of Section 16(a) of the Securities Exchange Act of 1934 or for any other purpose. /s/ CORMORANT ASSET MANAGEMENT, LLC By: Bihua Chen, Managing Member 2016-11-07 /s/ CORMORANT GLOBAL HEALTHCARE GP, LLC By: Bihua Chen, Managing Member 2016-11-07 /s/ CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP By: Cormorant Global Healthcare GP, LLC, its General Partner By: Bihua Chen, Managing Member 2016-11-07 /s/ Bihua Chen 2016-11-07