<SEC-DOCUMENT>0001104659-20-050898-index.html : 20200424
<SEC-HEADER>0001104659-20-050898.hdr.sgml : 20200424
<ACCEPTANCE-DATETIME>20200424143911
ACCESSION NUMBER:		0001104659-20-050898
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200424
DATE AS OF CHANGE:		20200424
GROUP MEMBERS:		HEIGHTS CAPITAL MANAGEMENT, INC.

SUBJECT COMPANY:	

	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:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-78033
		FILM NUMBER:		20814512

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CVI Investments, Inc.
		CENTRAL INDEX KEY:			0001649553
		IRS NUMBER:				981253664
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		P.O. BOX 309
		STREET 2:		UGLAND HOUSE
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104
		BUSINESS PHONE:		345-949-8080

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 309
		STREET 2:		UGLAND HOUSE
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>a20-16796_4sc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: a20-16796_4sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>