<SEC-DOCUMENT>0001193125-16-457598-index.html : 20160210
<SEC-HEADER>0001193125-16-457598.hdr.sgml : 20160210
<ACCEPTANCE-DATETIME>20160210161540
ACCESSION NUMBER:		0001193125-16-457598
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20160210
DATE AS OF CHANGE:		20160210
GROUP MEMBERS:		KEVIN P. STARR
GROUP MEMBERS:		MARK LEVIN
GROUP MEMBERS:		ROBERT I. TEPPER
GROUP MEMBERS:		THIRD ROCK VENTURES GP II, L.P.
GROUP MEMBERS:		TRV GP II, LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Sage Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001597553
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-88275
		FILM NUMBER:		161405914

	BUSINESS ADDRESS:	
		STREET 1:		215 FIRST STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142
		BUSINESS PHONE:		617-299-8380

	MAIL ADDRESS:	
		STREET 1:		215 FIRST STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Third Rock Ventures II, L.P.
		CENTRAL INDEX KEY:			0001488495
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		29 NEWBURY STREET
		STREET 2:		3RD FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-585-2000

	MAIL ADDRESS:	
		STREET 1:		29 NEWBURY STREET
		STREET 2:		3RD FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>d54285dsc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: d54285dsc13ga.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>d54285dex24.htm
<DESCRIPTION>EX-24
<TEXT>
Document 2 - file: d54285dex24.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>d54285dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 3 - file: d54285dex991.htm

</DOCUMENT>
</SEC-DOCUMENT>