<SEC-DOCUMENT>0000902664-23-004545-index.html : 20230822
<SEC-HEADER>0000902664-23-004545.hdr.sgml : 20230822
<ACCEPTANCE-DATETIME>20230822164055
ACCESSION NUMBER:		0000902664-23-004545
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230818
FILED AS OF DATE:		20230822
DATE AS OF CHANGE:		20230822

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JANA PARTNERS LLC
		CENTRAL INDEX KEY:			0001159159
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41194
		FILM NUMBER:		231194013

	BUSINESS ADDRESS:	
		STREET 1:		767 FIFTH AVENUE
		STREET 2:		8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10153
		BUSINESS PHONE:		(212) 455-0900

	MAIL ADDRESS:	
		STREET 1:		767 FIFTH AVENUE
		STREET 2:		8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10153

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:		50 MINUTEMAN ROAD
		CITY:			ANDOVER
		STATE:			MA
		ZIP:			01810
		BUSINESS PHONE:		9782561300

	MAIL ADDRESS:	
		STREET 1:		50 MINUTEMAN ROAD
		CITY:			ANDOVER
		STATE:			MA
		ZIP:			01810

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MERCURY COMPUTER SYSTEMS INC
		DATE OF NAME CHANGE:	19971112
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
</SEC-DOCUMENT>