<SEC-DOCUMENT>0001193125-19-041041-index.html : 20190214
<SEC-HEADER>0001193125-19-041041.hdr.sgml : 20190214
<ACCEPTANCE-DATETIME>20190214164732
ACCESSION NUMBER:		0001193125-19-041041
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190214
DATE AS OF CHANGE:		20190214
GROUP MEMBERS:		JOSEPH EDELMAN
GROUP MEMBERS:		PERCEPTIVE LIFE SCIENCES MASTER FUND, LTD.

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MEI Pharma, Inc.
		CENTRAL INDEX KEY:			0001262104
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				510407811
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-79594
		FILM NUMBER:		19607633

	BUSINESS ADDRESS:	
		STREET 1:		3611 VALLEY CENTER DRIVE
		STREET 2:		SUITE 500
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130
		BUSINESS PHONE:		858-792-6300

	MAIL ADDRESS:	
		STREET 1:		3611 VALLEY CENTER DRIVE
		STREET 2:		SUITE 500
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MARSHALL EDWARDS INC
		DATE OF NAME CHANGE:	20030902

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PERCEPTIVE ADVISORS LLC
		CENTRAL INDEX KEY:			0001224962
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		51 ASTOR PLACE, 10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003
		BUSINESS PHONE:		646-205-5300

	MAIL ADDRESS:	
		STREET 1:		51 ASTOR PLACE, 10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>d673865dsc13ga.htm
<DESCRIPTION>AMENDMENT NO. 1 TO SCHEDULE 13G
<TEXT>
Document 1 - file: d673865dsc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>