<SEC-DOCUMENT>0001193125-18-236173-index.html : 20180802
<SEC-HEADER>0001193125-18-236173.hdr.sgml : 20180802
<ACCEPTANCE-DATETIME>20180802133304
ACCESSION NUMBER:		0001193125-18-236173
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20180801
FILED AS OF DATE:		20180802
DATE AS OF CHANGE:		20180802

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Silicon Motion Technology CORP
		CENTRAL INDEX KEY:			0001329394
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51380
		FILM NUMBER:		18987555

	BUSINESS ADDRESS:	
		STREET 1:		8F-1,  NO. 36, TAIYUAN STREET
		STREET 2:		JHUBEI CITY
		CITY:			HSINCHU COUNTY
		STATE:			F5
		ZIP:			302
		BUSINESS PHONE:		886-3-552-6888

	MAIL ADDRESS:	
		STREET 1:		8F-1,  NO. 36, TAIYUAN STREET
		STREET 2:		JHUBEI CITY
		CITY:			HSINCHU COUNTY
		STATE:			F5
		ZIP:			302
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>d573037d6k.htm
<DESCRIPTION>FORM 6-K
<TEXT>
Document 1 - file: d573037d6k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d573037dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: d573037dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g573037dsp002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g573037dsp002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g573037g0801074513828.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g573037g0801074513828.jpg

</DOCUMENT>
</SEC-DOCUMENT>