<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0607</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2026-03-18</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001863006</issuerCik>
        <issuerName>Valens Semiconductor Ltd.</issuerName>
        <issuerTradingSymbol>VLN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002121186</rptOwnerCik>
            <rptOwnerName>Rotem Igal</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>8 HANAGAR ST.</rptOwnerStreet1>
            <rptOwnerStreet2>POB 7152</rptOwnerStreet2>
            <rptOwnerCity>HOD HASHARON</rptOwnerCity>
            <rptOwnerNonUSStateTerritory></rptOwnerNonUSStateTerritory>
            <rptOwnerCountry>L3</rptOwnerCountry>
            <rptOwnerZipCode>4501309</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>60795</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>47847</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.27</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2025-12-04</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2032-09-04</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>46960</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.66</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2026-04-15</value>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2033-01-15</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>56804</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Reporting Person was granted restricted stock units (&quot;RSUs&quot;), which each represent a contingent right to receive one share of ordinary stock of Valens Semiconductor Ltd. (the &quot;Company&quot;). The units vest in twelve equal quarterly installments commencing on 12/04/2025, subject to the Reporting Person's continued service to the Company or its subsidiaries through each vesting date.</footnote>
        <footnote id="F2">The Reporting Person was granted restricted stock units (&quot;RSUs&quot;), which each represent a contingent right to receive one share of ordinary stock of Valens Semiconductor Ltd. (the &quot;Company&quot;). The units vest in four Equal portions on a quarterly basis within 90 days, 180 days, 270 days of the first anniversary of the date of grant (01/15/2026), subject to the Reporting Person's continued service to the Company or its subsidiaries through each vesting date.</footnote>
        <footnote id="F3">The Options vest in twelve equal quarterly installments commencing on 12/04/2025, subject to the Reporting Person's continued service to the Company or its subsidiaries through each vesting date.</footnote>
        <footnote id="F4">The units vest in four Equal portions on a quarterly basis within 90 days, 180 days, 270 days of the first anniversary of the date of grant (01/15/2026), subject to the Reporting Person's continued service to the Company or its subsidiaries through each vesting date.</footnote>
    </footnotes>

    <remarks>This Form 3 is being filed to report the Reporting Person beneficial ownership of securities of the Issuer as of the date the Reporting Person became subject to the reporting requirements of Section 16 of the Securities Exchange Act of 1934.</remarks>

    <ownerSignature>
        <signatureName>Igal Rotem by: Oppenheimer Israel, as Attorney-in-fact</signatureName>
        <signatureDate>2026-03-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
