<SEC-DOCUMENT>0001047469-17-007310-index.html : 20171127
<SEC-HEADER>0001047469-17-007310.hdr.sgml : 20171127
<ACCEPTANCE-DATETIME>20171127171604
ACCESSION NUMBER:		0001047469-17-007310
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20171221
FILED AS OF DATE:		20171127
DATE AS OF CHANGE:		20171127
EFFECTIVENESS DATE:		20171127

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MoSys, Inc.
		CENTRAL INDEX KEY:			0000890394
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				770291941
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-32929
		FILM NUMBER:		171223540

	BUSINESS ADDRESS:	
		STREET 1:		3301 OLCOTT STREET
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95054
		BUSINESS PHONE:		408 418 7500

	MAIL ADDRESS:	
		STREET 1:		3301 OLCOTT STREET
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95054

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MONOLITHIC SYSTEM TECHNOLOGY INC
		DATE OF NAME CHANGE:	19960613
</SEC-HEADER>
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<SEQUENCE>1
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<TEXT>
Document 1 - file: a2233929zdef14a.htm

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<SEQUENCE>2
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<DESCRIPTION>G121744.JPG
<TEXT>
Document 2 - file: g121744.jpg

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<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g275562bgi001.gif
<DESCRIPTION>G275562BGI001.GIF
<TEXT>
Document 3 - file: g275562bgi001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g275562bgi002.gif
<DESCRIPTION>G275562BGI002.GIF
<TEXT>
Document 4 - file: g275562bgi002.gif

</DOCUMENT>
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