<SEC-DOCUMENT>0001209191-22-027523.txt : 20220506
<SEC-HEADER>0001209191-22-027523.hdr.sgml : 20220506
<ACCEPTANCE-DATETIME>20220506140629
ACCESSION NUMBER:		0001209191-22-027523
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220504
FILED AS OF DATE:		20220506
DATE AS OF CHANGE:		20220506

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Richardson Nina
		CENTRAL INDEX KEY:			0001610535

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04298
		FILM NUMBER:		22900350

	MAIL ADDRESS:	
		STREET 1:		C/O EARGO, INC.
		STREET 2:		2665 NORTH FIRST STREET, SUITE 300
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COHU INC
		CENTRAL INDEX KEY:			0000021535
		STANDARD INDUSTRIAL CLASSIFICATION:	INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS [3825]
		IRS NUMBER:				951934119
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		12367 CROSTHWAITE CIRCLE
		CITY:			POWAY
		STATE:			CA
		ZIP:			92064-6817
		BUSINESS PHONE:		858-848-8100

	MAIL ADDRESS:	
		STREET 1:		12367 CROSTHWAITE CIRCLE
		CITY:			POWAY
		STATE:			CA
		ZIP:			92064-6817

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COHU ELECTRONICS INC
		DATE OF NAME CHANGE:	19720809
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-05-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000021535</issuerCik>
        <issuerName>COHU INC</issuerName>
        <issuerTradingSymbol>COHU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001610535</rptOwnerCik>
            <rptOwnerName>Richardson Nina</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>12367 CROSTHWAITE CIRCLE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>POWAY</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92064</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <transactionDate>
                <value>2022-05-04</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5091</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>26852</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Cohu, Inc. Common Stock upon vesting. The RSUs vest on the earlier to occur of (i) the one-year anniversary of the May 4, 2022 grant date or (ii) the 2023 Cohu, Inc. Annual Meeting of Stockholders (assuming continued service to the Board of Directors).</footnote>
        <footnote id="F2">Number of shares includes 8,936 Restricted Stock Units (RSUs) and 11,992 Deferred Stock Units (DSUs).  Each RSU represents a contingent right to receive one share of Cohu, Inc. Common Stock upon vesting (assuming continued service to the Board).  Each DSU is equal to one share of Cohu, Inc. Common Stock and will be settled through the issuance of common stock (i) upon the reporting person's termination of service as a director or (ii) at certain specified dates.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Jeffrey D. Jones, by Power of Attorney</signatureName>
        <signatureDate>2022-05-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
