<SEC-DOCUMENT>0001628280-15-001880-index.html : 20150320
<SEC-HEADER>0001628280-15-001880.hdr.sgml : 20150320
<ACCEPTANCE-DATETIME>20150320165312
ACCESSION NUMBER:		0001628280-15-001880
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20140528
FILED AS OF DATE:		20150320
DATE AS OF CHANGE:		20150320

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MATTSON TECHNOLOGY INC
		CENTRAL INDEX KEY:			0000928421
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				770208119
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		47131 BAYSIDE PARKWAY
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
		BUSINESS PHONE:		510 657 5900

	MAIL ADDRESS:	
		STREET 1:		47131 BAYSIDE PARKWAY
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KANNAPPAN S KENNETH
		CENTRAL INDEX KEY:			0001184940

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24838
		FILM NUMBER:		15716797

	MAIL ADDRESS:	
		STREET 1:		337 ENCINAL ST
		CITY:			SANTA CRUZ
		STATE:			CA
		ZIP:			95060
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_142688478270492.xml
<DESCRIPTION>FORM 4
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Document 1 - file: wf-form4_142688478270492.html

Document 1 - RAW XML: wf-form4_142688478270492.xml

</DOCUMENT>
</SEC-DOCUMENT>