<SEC-DOCUMENT>0001140361-17-046489-index.html : 20171218
<SEC-HEADER>0001140361-17-046489.hdr.sgml : 20171218
<ACCEPTANCE-DATETIME>20171218160331
ACCESSION NUMBER:		0001140361-17-046489
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171214
FILED AS OF DATE:		20171218
DATE AS OF CHANGE:		20171218

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Chen Bihua
		CENTRAL INDEX KEY:			0001599214

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37695
		FILM NUMBER:		171261403

	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 Asset Management, LLC
		CENTRAL INDEX KEY:			0001583977
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37695
		FILM NUMBER:		171261404

	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

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:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37695
		FILM NUMBER:		171261402

	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 Global Healthcare Master Fund, LP
		CENTRAL INDEX KEY:			0001618442
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37695
		FILM NUMBER:		171261401

	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

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
</SEC-HEADER>
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