<SEC-DOCUMENT>0000950170-24-096420.txt : 20240813
<SEC-HEADER>0000950170-24-096420.hdr.sgml : 20240813
<ACCEPTANCE-DATETIME>20240813170614
ACCESSION NUMBER:		0000950170-24-096420
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240812
FILED AS OF DATE:		20240813
DATE AS OF CHANGE:		20240813

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Redondo Jerry L
		CENTRAL INDEX KEY:			0001655127
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08174
		FILM NUMBER:		241202793

	MAIL ADDRESS:	
		STREET 1:		DUCOMMUN INCORPORATED
		STREET 2:		23301 WILMINGTON AVE.
		CITY:			CARSON
		STATE:			CA
		ZIP:			90745-6209

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DUCOMMUN INC /DE/
		CENTRAL INDEX KEY:			0000030305
		STANDARD INDUSTRIAL CLASSIFICATION:	AIRCRAFT PART & AUXILIARY EQUIPMENT, NEC [3728]
		ORGANIZATION NAME:           	04 Manufacturing
		IRS NUMBER:				950693330
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		600 ANTON BOULEVARD
		STREET 2:		SUITE 1100
		CITY:			COSTA MESA
		STATE:			CA
		ZIP:			92626
		BUSINESS PHONE:		657-335-3665

	MAIL ADDRESS:	
		STREET 1:		600 ANTON BOULEVARD
		STREET 2:		SUITE 1100
		CITY:			COSTA MESA
		STATE:			CA
		ZIP:			92626
</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>2024-08-12</periodOfReport>

    <issuer>
        <issuerCik>0000030305</issuerCik>
        <issuerName>DUCOMMUN INC /DE/</issuerName>
        <issuerTradingSymbol>DCO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001655127</rptOwnerCik>
            <rptOwnerName>Redondo Jerry L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>600 ANTON BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1100</rptOwnerStreet2>
            <rptOwnerCity>COSTA MESA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92626</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>S.V.P., Elec. &amp; Struc. Systems</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-08-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3300</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>60.69</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>63826</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This transaction was executed in multiple trades at prices ranging from $60.46 to $61.20. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder, full information regarding the number of shares and the prices at which the transaction was effectuated.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Jerry L. Redondo</signatureName>
        <signatureDate>2024-08-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
