<SEC-DOCUMENT>0001104659-18-022462-index.html : 20180404
<SEC-HEADER>0001104659-18-022462.hdr.sgml : 20180404
<ACCEPTANCE-DATETIME>20180404184142
ACCESSION NUMBER:		0001104659-18-022462
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180402
FILED AS OF DATE:		20180404
DATE AS OF CHANGE:		20180404

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DIEKMAN JOHN D
		CENTRAL INDEX KEY:			0001240357

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38433
		FILM NUMBER:		18738559

	MAIL ADDRESS:	
		STREET 1:		C/O 5 AM VENTURES
		STREET 2:		3000 SAND HILL RD
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROCKLAGE SCOTT M
		CENTRAL INDEX KEY:			0001219014

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38433
		FILM NUMBER:		18738560

	MAIL ADDRESS:	
		STREET 1:		179 SANDY POND ROAD
		CITY:			LINCOLN
		STATE:			MA
		ZIP:			01773

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Schwab Andrew J.
		CENTRAL INDEX KEY:			0001598549

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38433
		FILM NUMBER:		18738558

	MAIL ADDRESS:	
		STREET 1:		C/O 5AM VENTURES, 2200 SAND HILL ROAD
		STREET 2:		SUITE 110
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			5AM Partners IV, LLC
		CENTRAL INDEX KEY:			0001589314
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38433
		FILM NUMBER:		18738561

	BUSINESS ADDRESS:	
		STREET 1:		2200 SAND HILL ROAD, SUITE 110
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		650-233-8600

	MAIL ADDRESS:	
		STREET 1:		2200 SAND HILL ROAD, SUITE 110
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			5AM Ventures IV, L.P.
		CENTRAL INDEX KEY:			0001589315
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38433
		FILM NUMBER:		18738562

	BUSINESS ADDRESS:	
		STREET 1:		2200 SAND HILL ROAD, SUITE 110
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		650-233-8600

	MAIL ADDRESS:	
		STREET 1:		2200 SAND HILL ROAD, SUITE 110
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			5AM Co-Investors IV, L.P.
		CENTRAL INDEX KEY:			0001593361
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38433
		FILM NUMBER:		18738557

	BUSINESS ADDRESS:	
		STREET 1:		2200 SAND HILL ROAD, SUITE 110
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		650-530-0413

	MAIL ADDRESS:	
		STREET 1:		2200 SAND HILL ROAD, SUITE 110
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Homology Medicines, Inc.
		CENTRAL INDEX KEY:			0001661998
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				473468154
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		45 WIGGINS AVE.
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730
		BUSINESS PHONE:		857-305-1825

	MAIL ADDRESS:	
		STREET 1:		45 WIGGINS AVE.
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
Document 1 - file: a4.html

Document 1 - RAW XML: a4.xml

</DOCUMENT>
</SEC-DOCUMENT>