<SEC-DOCUMENT>0001193125-26-262090.txt : 20260608
<SEC-HEADER>0001193125-26-262090.hdr.sgml : 20260608
<ACCEPTANCE-DATETIME>20260608172210
ACCESSION NUMBER:		0001193125-26-262090
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260605
FILED AS OF DATE:		20260608
DATE AS OF CHANGE:		20260608

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MADISON DEARBORN PARTNERS LLC
		CENTRAL INDEX KEY:			0001181100
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-43238
		FILM NUMBER:		261073666

	BUSINESS ADDRESS:	
		STREET 1:		70 WEST MADISON STREET, SUITE 4600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602
		BUSINESS PHONE:		3128951000

	MAIL ADDRESS:	
		STREET 1:		70 WEST MADISON STREET, SUITE 4600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MADISON DEARBORN CAPITAL PARTNERS VII-B, L.P.
		CENTRAL INDEX KEY:			0001632184
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-43238
		FILM NUMBER:		261073665

	BUSINESS ADDRESS:	
		STREET 1:		THREE FIRST NATIONAL PLAZA, SUITE 4600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602
		BUSINESS PHONE:		(312) 895-1000

	MAIL ADDRESS:	
		STREET 1:		THREE FIRST NATIONAL PLAZA, SUITE 4600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MADISON DEARBORN CAPITAL PARTNERS VII-C, L.P.
		CENTRAL INDEX KEY:			0001632188
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-43238
		FILM NUMBER:		261073663

	BUSINESS ADDRESS:	
		STREET 1:		THREE FIRST NATIONAL PLAZA, SUITE 4600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602
		BUSINESS PHONE:		(312) 895-1000

	MAIL ADDRESS:	
		STREET 1:		THREE FIRST NATIONAL PLAZA, SUITE 4600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MADISON DEARBORN CAPITAL PARTNERS VII EXECUTIVE-B, L.P.
		CENTRAL INDEX KEY:			0001632190
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-43238
		FILM NUMBER:		261073664

	BUSINESS ADDRESS:	
		STREET 1:		THREE FIRST NATIONAL PLAZA, SUITE 4600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602
		BUSINESS PHONE:		(312) 895-1000

	MAIL ADDRESS:	
		STREET 1:		THREE FIRST NATIONAL PLAZA, SUITE 4600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AEVEX Corp.
		CENTRAL INDEX KEY:			0002096300
		STANDARD INDUSTRIAL CLASSIFICATION:	AIRCRAFT [3721]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		440 STEVENS AVE #150
		CITY:			SOLANA BEACH
		STATE:			CA
		ZIP:			92075
		BUSINESS PHONE:		858-704-4125

	MAIL ADDRESS:	
		STREET 1:		440 STEVENS AVE #150
		CITY:			SOLANA BEACH
		STATE:			CA
		ZIP:			92075

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Aevex Corp.
		DATE OF NAME CHANGE:	20251110
</SEC-HEADER>
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    <periodOfReport>2026-06-05</periodOfReport>

    <issuer>
        <issuerCik>0002096300</issuerCik>
        <issuerName>AEVEX Corp.</issuerName>
        <issuerTradingSymbol>AVEX</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
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    <reportingOwner>
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            <rptOwnerName>MADISON DEARBORN PARTNERS LLC</rptOwnerName>
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            <rptOwnerStreet1>C/O MADISON DEARBORN PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>70 W. MADISON STREET, SUITE 4600</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60602</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isOther>false</isOther>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001632184</rptOwnerCik>
            <rptOwnerName>MADISON DEARBORN CAPITAL PARTNERS VII-B, L.P.</rptOwnerName>
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        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O MADISON DEARBORN PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>70 W. MADISON STREET, SUITE 4600</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60602</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001632190</rptOwnerCik>
            <rptOwnerName>MADISON DEARBORN CAPITAL PARTNERS VII EXECUTIVE-B, L.P.</rptOwnerName>
        </reportingOwnerId>
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            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O MADISON DEARBORN PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>70 W. MADISON STREET, SUITE 4600</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60602</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001632188</rptOwnerCik>
            <rptOwnerName>MADISON DEARBORN CAPITAL PARTNERS VII-C, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O MADISON DEARBORN PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>70 W. MADISON STREET, SUITE 4600</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60602</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-06-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2273843</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>25.99</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>22861457</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes.</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-06-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2611</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>22858846</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes.</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-06-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F4"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4757448</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>58540076</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes.</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-06-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F4"/>
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            <transactionAmounts>
                <transactionShares>
                    <value>975246</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>57564830</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes.</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Series B Units</value>
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            <conversionOrExercisePrice>
                <footnoteId id="F6"/>
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            <expirationDate>
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                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
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                <underlyingSecurityShares>
                    <value>4757448</value>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes.</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F5"/>
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        <derivativeTransaction>
            <securityTitle>
                <value>Series B Units</value>
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                    <value>975246</value>
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                <transactionPricePerShare>
                    <footnoteId id="F4"/>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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                <footnoteId id="F6"/>
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                    <value>57564830</value>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes.</value>
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                    <footnoteId id="F5"/>
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    <footnotes>
        <footnote id="F1">In connection with the offering as described in the Issuer's Registration Statement on Form S-1 (Registration No. 333-296396) (the &quot;Offering&quot;), the following transactions have occurred regarding this Statement's reported Class A common stock of the Issuer (&quot;Class A Shares&quot;): (i) ATS PubCo Holdings, L.P. (&quot;ATS PubCo Holdings&quot;) sold 9,341 Class A Shares and ATS PubCo Seller Holdings, LLC sold 2,264,502 Class A Shares to the underwriters at a net offering price of $25.99 and (ii) ATS PubCo Holdings distributed 2,611 Class A Shares in a pro rata distribution to its limited partners for no consideration.</footnote>
        <footnote id="F2">Following the transactions discussed in footnote 1, (i) ATS PubCo Holdings directly holds 22,694,184 Class A Shares and (ii) ATS Management Holdings, LLC (&quot;ATS Management Holdings&quot;) directly holds 164,662 Class A Shares. Both ATS PubCo Holdings and ATS Management Holdings are controlled by Madison Dearborn Capital Partners VII-B, L.P., Madison Dearborn Capital Partners VII Executive-B, L.P. and Madison Dearborn Capital Partners VII-C, LP (collectively, the &quot;MDP Funds&quot;).</footnote>
        <footnote id="F3">The ultimate general partner of each of the MDP Funds is Madison Dearborn Partners, LLC. Paul J. Finnegan and Vahe A. Dombalagian are the sole members of the board of managers of Madison Dearborn Partners, LLC, which has the power to vote or dispose of the securities held by the MDP Funds. By virtue of the relationships described herein, each of the reporting persons may be deemed to beneficially own the securities reported hereby. Each of the reporting persons disclaims beneficial ownership of the securities except to the extent of its pecuniary interest therein.</footnote>
        <footnote id="F4">In connection with the Offering, the following transactions have occurred regarding this Statement's reported Class B common stock of the Issuer (&quot;Class B Shares&quot;) and Series B Units of Athena Technology Solutions Holdings, LLC (&quot;Series B Units&quot;): (i) ATS Investment Holdings, LLC (&quot;ATS Investment Holdings&quot;) distributed 5,732,694 Class B Shares and corresponding Series B Units in a pro rata distribution to its members, including certain entities controlled by the MDP Funds, for no consideration and (ii) following such distribution, the MDP Funds sold 4,757,448 Series B Units, received by such entities controlled by the MDP Funds in such distribution, at a net offering price of $25.99 per unit to the Issuer (together with the corresponding Class B Shares for no additional consideration).</footnote>
        <footnote id="F5">Following the transactions discussed in footnote 4, (i) ATS Investment Holdings directly holds 57,153,106 Class B Shares and corresponding Series B Units and (ii) ATS Management Holdings directly holds 411,724 Class B Shares and corresponding Series B Units. Both ATS Investment Holdings and ATS Management Holdings are controlled by the MDP Funds.</footnote>
        <footnote id="F6">Series B Units are exchangeable (together with an equal number of Class B Shares) for Class A Shares on a one-for-one basis. Series B Units do not expire.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Katherine M. Bryan, Director, Associate General Counsel and Chief Compliance Officer of Madison Dearborn Partners, LLC</signatureName>
        <signatureDate>2026-06-05</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Katherine M. Bryan, Director, Associate General Counsel and Chief Compliance Officer of the General Partner of the General Partner of Madison Dearborn Capital Partners VII-B, L.P.</signatureName>
        <signatureDate>2026-06-05</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Katherine M. Bryan, Director, Associate General Counsel and Chief Compliance Officer Managing Director of the General Partner of the General Partner of Madison Dearborn Capital Partners VII Executive-B, L.P.</signatureName>
        <signatureDate>2026-06-05</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Katherine M. Bryan, Director, Associate General Counsel and Chief Compliance Officer Managing Director of the General Partner of the General Partner of Madison Dearborn Capital Partners VII-C, LP</signatureName>
        <signatureDate>2026-06-05</signatureDate>
    </ownerSignature>
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