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

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-12-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001329606</issuerCik>
        <issuerName>Clean Energy Technologies, Inc.</issuerName>
        <issuerTradingSymbol>CETY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001365700</rptOwnerCik>
            <rptOwnerName>Mahdi Kambiz</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1340 REYNOLDS AVENUE,</rptOwnerStreet1>
            <rptOwnerStreet2>UNIT 120</rptOwnerStreet2>
            <rptOwnerCity>IRVINE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92614</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Common Stock Purchase Warrant dated February 27, 2025</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.50</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2025-12-15</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>650561</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.50</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2024-02-27</value>
            </exerciseDate>
            <expirationDate>
                <value>2030-02-27</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>650561</value>
                    <footnoteId id="F1"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>650561</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By The Kambiz &amp; Bahareh Mahdi Living Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On December 12, 2025, Mast Hill Fund, L.P. (&quot;Mast Hill&quot;) and The Kambiz &amp; Bahareh Mahdi Living Trust, which may be deemed to be beneficially owned by the Company's CEO, Kambiz Mahdi (the &quot;Mahdi Trust&quot;), entered into a Purchase and Assignment Agreement, pursuant to which Mast Hill would sell the remaining unexercised portion of the Common Stock Purchase Warrant issued to Mast Hill by the Company on February 27, 2025 (the &quot;Warrant&quot;), to the Mahdi Trust for $10.00 (the &quot;Purchase Price&quot;). The Warrant originally entitled the holder to purchase 310,000 shares of issuer common stock at an exercise price of $2.50/share, with such number of shares and exercise price subject to adjustment as provided in the Warrant. On December 15, 2025, the Mahdi Trust paid the Purchase Price, and the transaction closed.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Kambiz Mahdi</signatureName>
        <signatureDate>2025-12-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
