<SEC-DOCUMENT>0001049521-23-000040-index.html : 20231004
<SEC-HEADER>0001049521-23-000040.hdr.sgml : 20231004
<ACCEPTANCE-DATETIME>20231004160435
ACCESSION NUMBER:		0001049521-23-000040
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20231004
DATE AS OF CHANGE:		20231004
EFFECTIVENESS DATE:		20231004

FILER:

	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

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-274858
		FILM NUMBER:		231307899

	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>S-3ASR
<SEQUENCE>1
<FILENAME>s-3asr2023.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: s-3asr2023.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>2
<FILENAME>exhibit107s-320231.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 2 - file: exhibit107s-320231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>mlbs-3asrex51opinion10423.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 3 - file: mlbs-3asrex51opinion10423.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>s-3consentletter_202310041.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 4 - file: s-3consentletter_202310041.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>image_0a.jpg
<DESCRIPTION>KPMG SIGNATURE
<TEXT>
Document 5 - file: image_0a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>image_2a.jpg
<DESCRIPTION>KPMG LOGO
<TEXT>
Document 6 - file: image_2a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>mercury_wordmarkxblackxrgb.jpg
<DESCRIPTION>MERCURY LOGO
<TEXT>
Document 7 - file: mercury_wordmarkxblackxrgb.jpg

</DOCUMENT>
</SEC-DOCUMENT>