<SEC-DOCUMENT>0001178913-18-000511-index.html : 20180213
<SEC-HEADER>0001178913-18-000511.hdr.sgml : 20180213
<ACCEPTANCE-DATETIME>20180213123929
ACCESSION NUMBER:		0001178913-18-000511
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180213
DATE AS OF CHANGE:		20180213
GROUP MEMBERS:		MOSHE ARKIN
GROUP MEMBERS:		SPHERA GLOBAL HEALTHCARE GP LTD.
GROUP MEMBERS:		SPHERA GLOBAL HEALTHCARE MANAGEMENT LP

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VistaGen Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001411685
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				205093315
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-86249
		FILM NUMBER:		18601348

	BUSINESS ADDRESS:	
		STREET 1:		343 ALLERTON AVENUE
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080
		BUSINESS PHONE:		650-577-3600

	MAIL ADDRESS:	
		STREET 1:		343 ALLERTON AVENUE
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Excaliber Enterprises, Ltd.
		DATE OF NAME CHANGE:	20070906

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SPHERA FUNDS MANAGEMENT LTD.
		CENTRAL INDEX KEY:			0001496201
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			L3

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		21 HA'ARBA'AH STREET
		CITY:			TEL AVIV
		STATE:			L3
		ZIP:			64739
		BUSINESS PHONE:		972-3-6845535

	MAIL ADDRESS:	
		STREET 1:		21 HA'ARBA'AH STREET
		CITY:			TEL AVIV
		STATE:			L3
		ZIP:			64739
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>zk1821200.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: zk1821200.htm

</DOCUMENT>
</SEC-DOCUMENT>