<SEC-DOCUMENT>0001039399-25-000080.txt : 20250804
<SEC-HEADER>0001039399-25-000080.hdr.sgml : 20250804
<ACCEPTANCE-DATETIME>20250804174211
ACCESSION NUMBER:		0001039399-25-000080
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250801
FILED AS OF DATE:		20250804
DATE AS OF CHANGE:		20250804

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Shahar Shai
		CENTRAL INDEX KEY:			0001733068
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50307
		FILM NUMBER:		251181851

	MAIL ADDRESS:	
		STREET 1:		7005 SOUTHFRONT ROAD
		CITY:			LIVERMORE
		STATE:			CA
		ZIP:			94551

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FORMFACTOR INC
		CENTRAL INDEX KEY:			0001039399
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				133711155
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1227

	BUSINESS ADDRESS:	
		STREET 1:		7005 SOUTHFRONT ROAD
		CITY:			LIVERMORE
		STATE:			CA
		ZIP:			94551
		BUSINESS PHONE:		9252904000

	MAIL ADDRESS:	
		STREET 1:		7005 SOUTHFRONT ROAD
		CITY:			LIVERMORE
		STATE:			CA
		ZIP:			94551
</SEC-HEADER>
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    <footnotes>
        <footnote id="F1">These performance-based restricted stock units were previously granted and became vested based on the achievement of certain performance criteria in the period 7/1/2022 - 6/30/2025.  The Compensation Committee has determined that such performance criteria have been met.</footnote>
        <footnote id="F2">Represents the number of shares withheld upon vesting and settlement of the PRSUs to cover tax withholding obligations.</footnote>
        <footnote id="F3">The Restricted Stock Units represent the third and final annual installment vest of a three year grant, grant date 8/01/2022.</footnote>
        <footnote id="F4">Represents the number of shares withheld upon vesting of restricted stock units to cover tax withholding obligations.</footnote>
        <footnote id="F5">Includes 143 shares acquired from the Issuer's Employee Stock Purchase Plan on July 31, 2025.</footnote>
        <footnote id="F6">If the reporting person's employment is terminated for any reason before an applicable Vesting Date, all 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 equity vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/: Stan Finkelstein, Attorney-in-fact for Shai Shahar</signatureName>
        <signatureDate>2025-08-01</signatureDate>
    </ownerSignature>
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</SEC-DOCUMENT>
