As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 5/15/24  Gonzalez Laureen S.               4          Officer²    1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
 5/15/24  Tata Rajiv A.                     4          Officer²    1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
 5/15/24  Mookerji Suman B.                 4          Officer²    1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
 5/15/24  Redondo Jerry L                   4          Officer²    1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
 5/15/24  Oswald Stephen G                  4          Dir.,Off.²  1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
 5/15/24  Strycker Samara A                 4          Director²   1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
 5/15/24  Kramer Sheila G.                  4          Director²   1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
 5/15/24  Flatt Dean M                      4          Director²   1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
 5/15/24  Ducommun Robert C                 4          Director²   1:6K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
 5/15/24  Drazba Shirley                    4          Director²   1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
 5/15/24  Carter David B.                   4          Director²   1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
 5/15/24  Baldridge Richard A               4          Director²   1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
 5/14/24  Oswald Stephen G                  144                    1:11K  Ducommun Inc./DE                  Charles Schwab … Svcs/FA 
 5/10/24  Ducommun Inc./DE                  8-K:1,9      5/9/24   12:258K                                   Donnelley … Solutions/FA 
  5/9/24  Gonzalez Laureen S.               4          Officer²    1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
  5/9/24  Tata Rajiv A.                     4          Officer²    1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
  5/9/24  Redondo Jerry L                   4          Officer²    1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
  5/9/24  Mookerji Suman B.                 4          Officer²    1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
  5/9/24  Oswald Stephen G                  4          Dir.,Off.²  1:4K   Ducommun Inc./DE                  Donnelley … Solutions/FA 
  5/8/24  Ducommun Inc./DE                  10-Q        3/30/24   69:5.7M                                   Workiva Inc Wde… FA01/FA 

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¹	Filing/Form Types:  -K
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials }.
	10-Q	Quarterly Report — Form 10-Q.
	144	Notice of a Proposed Sale of Securities by an Insider — Form 144 { The Filer is an Insider² of the Issuer }.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.