<SEC-DOCUMENT>0001193125-19-230974-index.html : 20190827
<SEC-HEADER>0001193125-19-230974.hdr.sgml : 20190827
<ACCEPTANCE-DATETIME>20190827172132
ACCESSION NUMBER:		0001193125-19-230974
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20190827
ITEM INFORMATION:		Material Modifications to Rights of Security Holders
ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190827
DATE AS OF CHANGE:		20190827

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-32929
		FILM NUMBER:		191058464

	BUSINESS ADDRESS:	
		STREET 1:		2309 BERING DRIVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95131
		BUSINESS PHONE:		408 418 7500

	MAIL ADDRESS:	
		STREET 1:		2309 BERING DRIVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95131

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MONOLITHIC SYSTEM TECHNOLOGY INC
		DATE OF NAME CHANGE:	19960613
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d774798d8k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: d774798d8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.1
<SEQUENCE>2
<FILENAME>d774798dex31.htm
<DESCRIPTION>EX-3.1
<TEXT>
Document 2 - file: d774798dex31.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>d774798dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 3 - file: d774798dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g774798g63z69.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g774798g63z69.jpg

</DOCUMENT>
</SEC-DOCUMENT>