<SEC-DOCUMENT>0001048268-25-000200.txt : 20251128
<SEC-HEADER>0001048268-25-000200.hdr.sgml : 20251128
<ACCEPTANCE-DATETIME>20251128154519
ACCESSION NUMBER:		0001048268-25-000200
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251126
FILED AS OF DATE:		20251128
DATE AS OF CHANGE:		20251128

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Simmes Matthew J
		CENTRAL INDEX KEY:			0001899288
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13783
		FILM NUMBER:		251535522

	MAIL ADDRESS:	
		STREET 1:		2 RIVERWAY, SUITE 1730
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IES Holdings, Inc.
		CENTRAL INDEX KEY:			0001048268
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRICAL WORK [1731]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		EIN:				760542208
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		13131 DAIRY ASHFORD ROAD
		STREET 2:		SUITE 500
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77478
		BUSINESS PHONE:		7138601500

	MAIL ADDRESS:	
		STREET 1:		13131 DAIRY ASHFORD ROAD
		STREET 2:		SUITE 500
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77478

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Integrated Electrical Services, Inc.
		DATE OF NAME CHANGE:	20150106

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTEGRATED ELECTRICAL SERVICES INC
		DATE OF NAME CHANGE:	19971022
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1764362716.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-11-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001048268</issuerCik>
        <issuerName>IES Holdings, Inc.</issuerName>
        <issuerTradingSymbol>IESC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001899288</rptOwnerCik>
            <rptOwnerName>Simmes Matthew J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>13131 DAIRY ASHFORD ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 500</rptOwnerStreet2>
            <rptOwnerCity>SUGAR LAND</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77478</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-11-26</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>799</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>108575</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On November 26, 2025, Mr. Simmes was granted 799 time-based Phantom Stock Units (&quot;PSUs&quot;) pursuant to the IES Holdings, Inc. 2006 Equity Incentive Plan, as amended and restated. Each PSU represents a contractual right in respect of one share of the Issuer's Common Stock and  will vest upon the continued performance of services through the applicable scheduled vesting date.  The PSUs are scheduled to vest on the earlier of (i) December 15, 2028 and (ii) the date that the Issuer files its Annual Report on Form 10-K for its fiscal year ending September 30, 2028.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Mary K. Newman, Attorney-in-Fact</signatureName>
        <signatureDate>2025-11-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
