Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
REARDON ANTHONY J
   2. Issuer Name and Ticker or Trading Symbol
DUCOMMUN INC /DE/ [DCO] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
Pres., Ducommun AeroStructures
(Last)
(First)
(Middle)
DUCOMMUN AEROSTRUCTURES, 268 E. GARDENA BOULEVARD		 3. Date of Earliest Transaction (Month/Day/Year)
12/09/2005
(Street)

GARDENA, CA 90248-2814		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 12/09/2005   M   5,000 A $ 10.02 5,014 D  
Common Stock 12/09/2005   S   1,600 D $ 21.45 3,414 D  
Common Stock 12/09/2005   S   600 D $ 21.44 2,814 D  
Common Stock 12/09/2005   S   400 D $ 21.43 2,414 D  
Common Stock 12/09/2005   S   500 D $ 21.42 1,914 D  
Common Stock 12/09/2005   S   600 D $ 21.41 1,314 D  
Common Stock 12/09/2005   S   100 D $ 21.4 1,214 D  
Common Stock 12/09/2005   S   300 D $ 21.36 914 D  
Common Stock 12/09/2005   S   100 D $ 21.33 814 D  
Common Stock 12/09/2005   S   800 D $ 21.21 14 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option with right to buy (1) $ 10.02 12/09/2005   M     5,000 03/25/2004(2) 03/24/2010 Common Stock 5,000 $ 0 5,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
REARDON ANTHONY J
DUCOMMUN AEROSTRUCTURES
268 E. GARDENA BOULEVARD
GARDENA, CA 90248-2814		       Pres., Ducommun AeroStructures

Signatures

 /s/ Anthony J. Reardon   12/13/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The option represents the right to purchase common stock granted under the Ducommun Incorporated Employee Stock Option Plans, which are Rule 16b-3 plans.
(2) The option vested on March 25, 2004 as to 3,750 shares and on March 25, 2005 as to 1,250 shares.

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