<SEC-DOCUMENT>0000950170-24-122372.txt : 20241106
<SEC-HEADER>0000950170-24-122372.hdr.sgml : 20241106
<ACCEPTANCE-DATETIME>20241106162438
ACCESSION NUMBER:		0000950170-24-122372
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20241104
FILED AS OF DATE:		20241106
DATE AS OF CHANGE:		20241106

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BALL FREDERICK
		CENTRAL INDEX KEY:			0001175993
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26966
		FILM NUMBER:		241431419

	MAIL ADDRESS:	
		STREET 1:		C/O MARKETO, INC.
		STREET 2:		901 MARINER'S ISLAND BLVD., SUITE 500
		CITY:			SAN MATEO
		STATE:			CA
		ZIP:			94404

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADVANCED ENERGY INDUSTRIES INC
		CENTRAL INDEX KEY:			0000927003
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS, NEC [3679]
		ORGANIZATION NAME:           	04 Manufacturing
		IRS NUMBER:				840846841
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ATTN:  PAUL OLDHAM
		STREET 2:		1595 WYNKOOP ST, SUITE 800
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		9704076626

	MAIL ADDRESS:	
		STREET 1:		ATTN:  PAUL OLDHAM
		STREET 2:		1595 WYNKOOP ST, SUITE 800
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-11-04</periodOfReport>

    <issuer>
        <issuerCik>0000927003</issuerCik>
        <issuerName>ADVANCED ENERGY INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>AEIS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001175993</rptOwnerCik>
            <rptOwnerName>BALL FREDERICK</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1595 WYNKOOP STREET, SUITE 800</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DENVER</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-11-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>109.87</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>37157</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By 1998 Ball Family Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.72 to $110.10, inclusive. The reporting person undertakes to provide to Advanced Energy Industries, Inc. (the &quot;Company&quot;), any stockholder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range specified herein.</footnote>
        <footnote id="F2">Includes shares acquired through the dividend reinvestment plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Elizabeth Vonne - Attorney-in-Fact</signatureName>
        <signatureDate>2024-11-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
