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          <ccc>XXXXXXXX</ccc>
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      <liveTestFlag>LIVE</liveTestFlag>



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    <issuerInfo>
      <issuerCik>0000030305</issuerCik>
      <issuerName>DUCOMMUN INC /DE/</issuerName>
      <secFileNumber>001-08174</secFileNumber>
      <issuerAddress>
        <com:street1>200 SANDPOINTE AVENUE</com:street1>
        <com:street2>SUITE 700</com:street2>
        <com:city>SANTA ANA</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>92707</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>657-335-3665</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Oswald Stephen G</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab Corp</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>13995</noOfUnitsSold>
      <aggregateMarketValue>796735.00</aggregateMarketValue>
      <noOfUnitsOutstanding>14716338</noOfUnitsOutstanding>
      <approxSaleDate>05/14/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>06/30/2021</acquiredDate>
      <natureOfAcquisitionTransaction>Equity Compensation</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Docommun Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2339</amountOfSecuritiesAcquired>
      <paymentDate>06/30/2021</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>05/20/2021</acquiredDate>
      <natureOfAcquisitionTransaction>Equity Compensation</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Docommun Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3788</amountOfSecuritiesAcquired>
      <paymentDate>05/20/2021</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/09/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Equity Compensation</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Docommun Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>5208</amountOfSecuritiesAcquired>
      <paymentDate>03/09/2022</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/19/2020</acquiredDate>
      <natureOfAcquisitionTransaction>Equity Compensation</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Docommun Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2660</amountOfSecuritiesAcquired>
      <paymentDate>03/19/2020</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Stephen G. Oswald</name>
        <address>
          <com:street1>200 Sandpointe Avenue, Suite 700</com:street1>
          <com:city>Santa Ana</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92707</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/20/2024</saleDate>
      <amountOfSecuritiesSold>1000</amountOfSecuritiesSold>
      <grossProceeds>50509.60</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Stephen G. Oswald</name>
        <address>
          <com:street1>200 Sandpoint Avenue. Suite 700</com:street1>
          <com:city>Santa Ana</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92707</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/19/2024</saleDate>
      <amountOfSecuritiesSold>1000</amountOfSecuritiesSold>
      <grossProceeds>49899.55</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Stephen G. Oswald</name>
        <address>
          <com:street1>200 Sandpointe Avenue, Suite 700</com:street1>
          <com:city>Santa Ana</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92707</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/15/2024</saleDate>
      <amountOfSecuritiesSold>500</amountOfSecuritiesSold>
      <grossProceeds>25242.82</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Stephen G. Oswald</name>
        <address>
          <com:street1>200 Sandpointe Avenue, Suite 700</com:street1>
          <com:city>Santa Ana</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92707</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/14/2024</saleDate>
      <amountOfSecuritiesSold>500</amountOfSecuritiesSold>
      <grossProceeds>25223.05</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Stephen G. Oswald</name>
        <address>
          <com:street1>200 Sandpointe Avenue, Suite 700</com:street1>
          <com:city>Santa Ana</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92707</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/13/2024</saleDate>
      <amountOfSecuritiesSold>500</amountOfSecuritiesSold>
      <grossProceeds>25057.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Stephen G. Oswald</name>
        <address>
          <com:street1>200 Sandpointe Avenue, Suite 700</com:street1>
          <com:city>Santa Ana</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92707</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/11/2024</saleDate>
      <amountOfSecuritiesSold>500</amountOfSecuritiesSold>
      <grossProceeds>25009.75</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Stephen G. Oswald</name>
        <address>
          <com:street1>200 Sandpointe Avenue, Suite 700</com:street1>
          <com:city>Santa Ana</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92707</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/07/2024</saleDate>
      <amountOfSecuritiesSold>500</amountOfSecuritiesSold>
      <grossProceeds>24773.90</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Stephen G. Oswald</name>
        <address>
          <com:street1>200 Sandpointe Avenue, Suite 700</com:street1>
          <com:city>Santa Ana</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92707</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/06/2024</saleDate>
      <amountOfSecuritiesSold>500</amountOfSecuritiesSold>
      <grossProceeds>24480.34</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Stephen G. Oswald</name>
        <address>
          <com:street1>200 Sandpointe Avenue, Suite 700</com:street1>
          <com:city>Santa Ana</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92707</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/01/2024</saleDate>
      <amountOfSecuritiesSold>1000</amountOfSecuritiesSold>
      <grossProceeds>48487.95</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Stephen G. Oswald</name>
        <address>
          <com:street1>200 Sandpoint Avenue, Suite 700</com:street1>
          <com:city>Santa Ana</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92707</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/26/2024</saleDate>
      <amountOfSecuritiesSold>2000</amountOfSecuritiesSold>
      <grossProceeds>97479.01</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>11,335 shares from Stephen G. Oswald Revocable Trust U/A DTD 01/27/2016 2,660 shares from the Stephen &amp; Regina Oswald Foundation</remarks>
    <noticeSignature>
      <noticeDate>05/14/2024</noticeDate>
      <signature>Stephen G. Oswald</signature>
    </noticeSignature>
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144
0001695904
XXXXXXXX
LIVE
0000030305
DUCOMMUN INC /DE/
001-08174
200 SANDPOINTE AVENUE
SUITE 700
SANTA ANA
CA
92707
657-335-3665
Oswald Stephen G
Officer
Common
Charles Schwab Corp
3000 Schwab Way
Westlake
TX
76262
13995
796735.00
14716338
05/14/2024
NYSE
Common
06/30/2021
Equity Compensation
Docommun Inc.
N
2339
06/30/2021
Equity Compensation
Common
05/20/2021
Equity Compensation
Docommun Inc.
N
3788
05/20/2021
Equity Compensation
Common
03/09/2022
Equity Compensation
Docommun Inc.
N
5208
03/09/2022
Equity Compensation
Common
03/19/2020
Equity Compensation
Docommun Inc.
N
2660
03/19/2020
Equity Compensation
N
Stephen G. Oswald
200 Sandpointe Avenue, Suite 700
Santa Ana
CA
92707
Common
03/20/2024
1000
50509.60
Stephen G. Oswald
200 Sandpoint Avenue. Suite 700
Santa Ana
CA
92707
Common
03/19/2024
1000
49899.55
Stephen G. Oswald
200 Sandpointe Avenue, Suite 700
Santa Ana
CA
92707
Common
03/15/2024
500
25242.82
Stephen G. Oswald
200 Sandpointe Avenue, Suite 700
Santa Ana
CA
92707
Common
03/14/2024
500
25223.05
Stephen G. Oswald
200 Sandpointe Avenue, Suite 700
Santa Ana
CA
92707
Common
03/13/2024
500
25057.00
Stephen G. Oswald
200 Sandpointe Avenue, Suite 700
Santa Ana
CA
92707
Common
03/11/2024
500
25009.75
Stephen G. Oswald
200 Sandpointe Avenue, Suite 700
Santa Ana
CA
92707
Common
03/07/2024
500
24773.90
Stephen G. Oswald
200 Sandpointe Avenue, Suite 700
Santa Ana
CA
92707
Common
03/06/2024
500
24480.34
Stephen G. Oswald
200 Sandpointe Avenue, Suite 700
Santa Ana
CA
92707
Common
03/01/2024
1000
48487.95
Stephen G. Oswald
200 Sandpoint Avenue, Suite 700
Santa Ana
CA
92707
Common
02/26/2024
2000
97479.01
11,335 shares from Stephen G. Oswald Revocable Trust U/A DTD 01/27/2016 2,660 shares from the Stephen & Regina Oswald Foundation
05/14/2024
Stephen G. Oswald