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

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-02-21</periodOfReport>

    <issuer>
        <issuerCik>0000354707</issuerCik>
        <issuerName>HAWAIIAN ELECTRIC INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>HE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001798186</rptOwnerCik>
            <rptOwnerName>Murao Kurt K.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O P.O. BOX 730</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HONOLULU</rptOwnerCity>
            <rptOwnerState>HI</rptOwnerState>
            <rptOwnerZipCode>96808-0730</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP, GC &amp; Chief Admin Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-02-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1032</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.76</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>36394.39</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy tax withholding obligations in connection with the net settlement of Restricted Stock Units (&quot;RSUs&quot;) and does not represent a sale.</footnote>
        <footnote id="F2">Closing stock price on February 21, 2025.</footnote>
        <footnote id="F3">Includes accrued dividend equivalents (as denominated in shares of HE common stock) from February 10, 2023 (first RSU grants in 2023) to date. Dividend equivalents accrue in HE common stock with respect to outstanding RSUs when and as dividends are paid. Accrued dividend equivalents are denominated in HE common stock and paid upon vesting in shares of HE common stock.</footnote>
        <footnote id="F4">Includes shares acquired under the Hawaiian Electric Industries, Inc. Dividend Reinvestment and Stock Purchase Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Sean K. Clark, Atty-in-Fact for Kurt K. Murao</signatureName>
        <signatureDate>2025-02-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
