<SEC-DOCUMENT>0001256949-13-000014.txt : 20130508
<SEC-HEADER>0001256949-13-000014.hdr.sgml : 20130508
<ACCEPTANCE-DATETIME>20130508142053
ACCESSION NUMBER:		0001256949-13-000014
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20130506
FILED AS OF DATE:		20130508
DATE AS OF CHANGE:		20130508

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MERKADEAU STUART L
		CENTRAL INDEX KEY:			0001256951

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50307
		FILM NUMBER:		13823943

	MAIL ADDRESS:	
		STREET 1:		2140 RESEARCH DRIVE
		CITY:			LIVERMORE
		STATE:			CA
		ZIP:			94550

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FORMFACTOR INC
		CENTRAL INDEX KEY:			0001039399
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				133711155
		STATE OF INCORPORATION:			DE

	BUSINESS ADDRESS:	
		STREET 1:		7005 SOUTHFRONT ROAD
		CITY:			LIVERMORE
		STATE:			CA
		ZIP:			94551
		BUSINESS PHONE:		9252433522

	MAIL ADDRESS:	
		STREET 1:		7005 SOUTHFRONT ROAD
		CITY:			LIVERMORE
		STATE:			CA
		ZIP:			94551
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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    <periodOfReport>2013-05-06</periodOfReport>

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    <issuer>
        <issuerCik>0001039399</issuerCik>
        <issuerName>FORMFACTOR INC</issuerName>
        <issuerTradingSymbol>FORM</issuerTradingSymbol>
    </issuer>

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            <rptOwnerCik>0001256951</rptOwnerCik>
            <rptOwnerName>MERKADEAU STUART L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7005 SOUTHFRONT ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LIVERMORE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94551</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SR VP GENERAL COUNSEL</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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                <value>Common Stock</value>
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                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
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                    <footnoteId id="F1"/>
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                <value>Common Stock</value>
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            <transactionDate>
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                <equitySwapInvolved>0</equitySwapInvolved>
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                    <footnoteId id="F3"/>
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                <transactionAcquiredDisposedCode>
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    <derivativeTable>
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                </underlyingSecurityTitle>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                    <value>29559</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
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            <conversionOrExercisePrice>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>25000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
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                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <expirationDate>
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                <sharesOwnedFollowingTransaction>
                    <value>54559</value>
                </sharesOwnedFollowingTransaction>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents vested shares of common stock issued pursuant to the third conversion of one-fourth of the restricted stock units granted on April 29, 2010.</footnote>
        <footnote id="F2">Represents vested shares of common stock issued pursuant to the second conversion of one-fourth of the restricted stock units granted on April 29, 2011.</footnote>
        <footnote id="F3">Represents vested shares of common stock sold to satisfy certain tax withholding obligations associated with the conversion of the restricted stock units.</footnote>
        <footnote id="F4">The Restricted Stock Units vest and are exercisable in four equal annual installments on each April 29 of 2011, 2012, 2013 and 2014 (or the first market trading day during an open trading window under the Issuer's insider trading policy thereafter if the applicable vesting date is not on a market trading day during an open trading window).</footnote>
        <footnote id="F5">The restricted stock units released were settled in shares of common stock and were immediately cancelled upon settlement.</footnote>
        <footnote id="F6">The Restricted Stock Units vest and are exercisable in four equal annual installments on each April 29 of 2012, 2013, 2014, and 2015 (or the first market trading day during an open trading window under the Issuer's insider trading policy thereafter if the applicable vesting date is not on a market trading day during an open trading window).</footnote>
        <footnote id="F7">The Restricted Stock Units vest and are exercisable in three annual installments on each May 6 of 2014, 2015, and 2016 (or the first market trading day during an open trading window under the Issuer's insider trading policy thereafter if the applicable vesting date is not on a market trading day during an open trading window).</footnote>
        <footnote id="F8">If the reporting person's employment is terminated for any reason before an applicable Vesting Date, all options and/or restricted stock units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding award vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.</footnote>
    </footnotes>

    <remarks>THE CONFIRMING STATEMENT GRANTING THE ATTORNEY-IN-FACT THE AUTHORITY TO EXECUTE AND FILE THIS FORM 4 HAS BEEN PREVIOUSLY FILED WITH THE U.S. SECURITIES AND EXCHANGE COMMISSION.</remarks>

    <ownerSignature>
        <signatureName>By: Michael M. Ludwig, Attorney-in-Fact  For: Stuart L. Merkadeau</signatureName>
        <signatureDate>2013-05-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
