<SEC-HEADER>0001193125-17-073311.hdr.sgml : 20170307
<ACCEPTANCE-DATETIME>20170307161503
ACCESSION NUMBER:		0001193125-17-073311
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20170307
FILED AS OF DATE:		20170307
DATE AS OF CHANGE:		20170307

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mimecast Ltd
		CENTRAL INDEX KEY:			0001644675
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			X0
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37637
		FILM NUMBER:		17672123

	BUSINESS ADDRESS:	
		STREET 1:		ONE ROPEMAKER STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC2Y 9AW
		BUSINESS PHONE:		44(0)2078478700

	MAIL ADDRESS:	
		STREET 1:		ONE ROPEMAKER STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC2Y 9AW
</SEC-HEADER>