<SEC-DOCUMENT>0001523711-18-000080.txt : 20181001
<SEC-HEADER>0001523711-18-000080.hdr.sgml : 20181001
<ACCEPTANCE-DATETIME>20181001163328
ACCESSION NUMBER:		0001523711-18-000080
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180929
FILED AS OF DATE:		20181001
DATE AS OF CHANGE:		20181001

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Thompson Amanda J
		CENTRAL INDEX KEY:			0001718049

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05647
		FILM NUMBER:		181097917

	MAIL ADDRESS:	
		STREET 1:		333 CONTINENTAL BOULEVARD
		STREET 2:		TRW 15-1
		CITY:			EL SEGUNDO
		STATE:			CA
		ZIP:			90245

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MATTEL INC /DE/
		CENTRAL INDEX KEY:			0000063276
		STANDARD INDUSTRIAL CLASSIFICATION:	DOLLS & STUFFED TOYS [3942]
		IRS NUMBER:				951567322
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		333 CONTINENTAL BLVD
		CITY:			EL SEGUNDO
		STATE:			CA
		ZIP:			90245
		BUSINESS PHONE:		3102522000
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_153842599051642.xml
<DESCRIPTION>FORM 4
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            <rptOwnerZipCode>90245</rptOwnerZipCode>
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            <isTenPercentOwner>0</isTenPercentOwner>
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            <officerTitle>EVP &amp; Chief People Officer</officerTitle>
            <otherText></otherText>
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    <footnotes>
        <footnote id="F1">As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 38,760 Restricted Stock Units (&quot;RSUs&quot; or &quot;Units&quot;) on September 29, 2017. The RSUs vest as to (a) 33% of the Units granted on the first anniversary of the date of grant, (b) an additional 33% of the Units granted on the second anniversary of the date of grant, and (c) the remaining 34% of the Units granted on the third anniversary of the date of grant. On each vesting date, for each Unit vesting on such date, the Reporting Person will receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding. On September 29, 2018, the first 33% of these RSUs vested, resulting in the issuance of 12,790 shares of Mattel, Inc. Common Stock.</footnote>
        <footnote id="F2">Pursuant to the terms of the September 29, 2017 RSU grant, 4,423 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.</footnote>
        <footnote id="F3">As reported on a Form 4 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 22,610 RSUs on September 29, 2017. The RSUs vest as to (a) 33% of the Units granted on the first anniversary of the date of grant, (b) an additional 33% of the Units granted on the second anniversary of the date of grant, and (c) the remaining 34% of the Units granted on the third anniversary of the date of grant. On each vesting date, for each Unit vesting on such date, the Reporting Person will receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding. On September 29, 2018, the first 33% of these RSUs vested, resulting in the issuance of 7,461 shares of Mattel, Inc. Common Stock.</footnote>
        <footnote id="F4">Pursuant to the terms of the September 29, 2017 RSU grant, 2,581 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Tiffani Magri, Attorney-in-Fact for Amanda J. Thompson</signatureName>
        <signatureDate>2018-10-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
