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

    <schemaVersion>X0607</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2026-03-20</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002122521</rptOwnerCik>
            <rptOwnerName>Yaacobi Tal</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>ISRAEL</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Ordinary shares, no par value</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>78798</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.128</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2024-12-30</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2031-09-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary shares, no par value</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>55710</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.41</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2025-04-15</value>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <value>2032-01-15</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary shares, no par value</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>35689</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F6"/>
                </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="F7"/>
            </exerciseDate>
            <expirationDate>
                <value>2033-01-15</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary shares, no par value</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>56804</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F8"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Includes 47,847 restricted share units (&quot;RSUs&quot;) granted on January 15, 2026, with 11,962 vesting on each of April 15, 2026, July 14, 2026, and October 12, 2026, and 11,961 vesting on January 15, 2027. Each RSU represents a contingent right to receive one ordinary share of the Company.</footnote>
        <footnote id="F2">Pursuant to his management agreement with Value Base Ltd. (&quot;Value Base&quot;), Mr. Yaacobi will assign to Value Base all ordinary shares received following the exercise of his stock options or the vesting of his RSUs, which will be allocated to entities affiliated with Value Base. Mr. Yaacobi disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F3">Stock options were granted on September 30, 2024, with 4,643 vested on each of December 30, 2024, June 30, 2025, March 30, 2026, September 30, 2026, December 30, 2026 and June 30, 2027; 4,642 vesting on each of March 30, 2025, September 30, 2025, December 30, 2025, June 30, 2026, March 30, 2027, and September 30, 2027.</footnote>
        <footnote id="F4">Pursuant to his management agreement with Value Base Ltd. (&quot;Value Base&quot;), Mr. Yaacobi will assign to Value Base all ordinary shares received following the exercise of his stock options or the vesting of his RSUs, which will be allocated to entities affiliated with Value Base. Mr. Yaacobi disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein</footnote>
        <footnote id="F5">Stock options were granted on January 15, 2025, with 8,922 vested on each of April 15, 2025, October 12, 2025 and January 15, 2026, and 8,923 vested on July 14, 2025.</footnote>
        <footnote id="F6">Pursuant to his management agreement with Value Base Ltd. (&quot;Value Base&quot;), Mr. Yaacobi will assign to Value Base all ordinary shares received following the exercise of his stock options or the vesting of his RSUs, which will be allocated to entities affiliated with Value Base. Mr. Yaacobi disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein</footnote>
        <footnote id="F7">Stock options were granted on January 15, 2026, with 14,201 vesting on each of April 15, 2026, July 14, 2026, October 12, 2026, and January 15, 2027.</footnote>
        <footnote id="F8">Pursuant to his management agreement with Value Base Ltd. (&quot;Value Base&quot;), Mr. Yaacobi will assign to Value Base all ordinary shares received following the exercise of his stock options or the vesting of his RSUs, which will be allocated to entities affiliated with Value Base. Mr. Yaacobi disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein</footnote>
    </footnotes>

    <remarks>This Form 3 is being filed to report the Reporting Persons 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>Tal Yaacobi by: Oppenheimer Israel, as Attorney-in-fact</signatureName>
        <signatureDate>2026-03-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
