    <SEC-DOCUMENT>0001193125-18-300353-index.html : 20181016
    <SEC-HEADER>0001193125-18-300353.hdr.sgml : 20181016
    <ACCEPTANCE-DATETIME>20181016172105
    ACCESSION NUMBER:		0001193125-18-300353
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		5
    FILED AS OF DATE:		20181016
    DATE AS OF CHANGE:		20181016
    EFFECTIVENESS DATE:		20181016

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SYNAPTICS Inc
    		CENTRAL INDEX KEY:			0000817720
    		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
    		IRS NUMBER:				770118518
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			0627

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-49602
    		FILM NUMBER:		181125000

    	BUSINESS ADDRESS:
    		STREET 1:		1251 MCKAY DRIVE
    		CITY:			SAN JOSE
    		STATE:			CA
    		ZIP:			95131-3326
    		BUSINESS PHONE:		408-904-1100

    	MAIL ADDRESS:
    		STREET 1:		1251 MCKAY DRIVE
    		CITY:			SAN JOSE
    		STATE:			CA
    		ZIP:			95131-3326

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	SYNAPTICS INC
    		DATE OF NAME CHANGE:	20010216
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>d576651ddefa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: d576651ddefa14a.htm

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    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g576651page003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g576651page003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g576651page004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g576651page004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g576651page005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g576651page005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g576651page006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g576651page006.jpg

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    </SEC-DOCUMENT>