<SEC-HEADER>0001193125-17-039505.hdr.sgml : 20170213
<ACCEPTANCE-DATETIME>20170213092202
ACCESSION NUMBER:		0001193125-17-039505
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170213
DATE AS OF CHANGE:		20170213
GROUP MEMBERS:		INSIGHT HOLDINGS GROUP, LLC
GROUP MEMBERS:		INSIGHT VENTURE ASSOCIATES COINVESTMENT II, L.P.
GROUP MEMBERS:		INSIGHT VENTURE ASSOCIATES VII, L.P.
GROUP MEMBERS:		INSIGHT VENTURE ASSOCIATES VII, LTD.
GROUP MEMBERS:		INSIGHT VENTURE PARTNERS (CAYMAN) VII, L.P.
GROUP MEMBERS:		INSIGHT VENTURE PARTNERS (DELAWARE) VII, L.P.
GROUP MEMBERS:		INSIGHT VENTURE PARTNERS COINVESTMENT FUND II, L.P.
GROUP MEMBERS:		INSIGHT VENTURE PARTNERS VII (CO-INVESTORS), L.P.

SUBJECT COMPANY:	

	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:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-89285
		FILM NUMBER:		17596267

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Insight Venture Partners VII, L.P.
		CENTRAL INDEX KEY:			0001508854
		IRS NUMBER:				980684335
		STATE OF INCORPORATION:			E9

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		INSIGHT VENTURE ASSOCIATES VII, L.P.
		STREET 2:		P.O. BOX 309 UGLAND HOUSE
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104
		BUSINESS PHONE:		2122309200

	MAIL ADDRESS:	
		STREET 1:		INSIGHT VENTURE ASSOCIATES VII, L.P.
		STREET 2:		P.O. BOX 309 UGLAND HOUSE
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104
</SEC-HEADER>