<SEC-DOCUMENT>0001209191-16-141356-index.html : 20160914
<SEC-HEADER>0001209191-16-141356.hdr.sgml : 20160914
<ACCEPTANCE-DATETIME>20160914133053
ACCESSION NUMBER:		0001209191-16-141356
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20160817
FILED AS OF DATE:		20160914
DATE AS OF CHANGE:		20160914

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MERCURY SYSTEMS INC
		CENTRAL INDEX KEY:			0001049521
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS & ACCESSORIES [3670]
		IRS NUMBER:				042741391
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		201 RIVERNECK ROAD
		CITY:			CHELMSFORD
		STATE:			MA
		ZIP:			01824
		BUSINESS PHONE:		9782561300

	MAIL ADDRESS:	
		STREET 1:		201 RIVERNECK ROAD
		CITY:			CHELMSFORD
		STATE:			MA
		ZIP:			01824

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MERCURY COMPUTER SYSTEMS INC
		DATE OF NAME CHANGE:	19971112

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Speicher Charles A
		CENTRAL INDEX KEY:			0001501229

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23599
		FILM NUMBER:		161884778

	MAIL ADDRESS:	
		STREET 1:		201 RIVERNECK ROAD
		CITY:			CHELMSFORD
		STATE:			X1
		ZIP:			01844
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>doc4a.xml
<DESCRIPTION>FORM 4/A SUBMISSION
<TEXT>
Document 1 - file: doc4a.html

Document 1 - RAW XML: doc4a.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.4A_675341
<SEQUENCE>2
<FILENAME>poa.txt
<DESCRIPTION>POA DOCUMENT
<TEXT>
Document 2 - file: poa.txt

</DOCUMENT>
</SEC-DOCUMENT>