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 *
WILLIAMS SAMUEL D
  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
__X__ Officer (give title below) _____ Other (specify below)
VP & Controller
(Last)
(First)
(Middle)
DUCOMMUN INCORPORATED, 23301 WILMINGTON AVENUE
3. Date of Earliest Transaction (Month/Day/Year)
05/02/2007
(Street)

CARSON, CA 90745-6209
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 05/02/2007   M   6,450 A $ 15.8 7,200 D  
Common Stock 05/02/2007   M   1,250 A $ 16.91 8,450 D  
Common Stock 05/02/2007   S   7,700 D $ 28.127 750 D  
Common Stock 05/03/2007   M   4,800 A $ 15.8 5,550 D  
Common Stock 05/03/2007   S   4,800 D $ 28 750 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-Right to Buy (1) $ 15.8 05/02/2007   M     6,450 07/18/2004(2) 07/16/2010 Common Stock 6,450 $ 0 8,550 D  
Option-Right to Buy (1) $ 16.91 05/02/2007   M     1,250 06/30/2006 07/16/2010 Common Stock 1,250 $ 0 3,750 D  
Option-Right to Buy (1) $ 15.8 05/03/2007   M     4,800 07/18/2005(3) 07/16/2010 Common Stock 4,800 $ 0 3,750 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
WILLIAMS SAMUEL D
DUCOMMUN INCORPORATED
23301 WILMINGTON AVENUE
CARSON, CA 90745-6209
      VP & Controller  

Signatures

 /s/ Samuel D. Williams   05/04/2007
**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 became exercisable as to 3,750 shares on July 18, 2004 and 2,700 shares on July 18, 2005
(3) The option became exercisable as to 1,050 shares on July 18, 2005 and 3,750 shares on July 18, 2006

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