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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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, Accounting (Last) (First) (Middle) DUCOMMUN INCORPORATED, 23301 WILMINGTON AVE. 3. Date of Earliest Transaction (Month/Day/Year) 05/03/2013 (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 05/03/2013   M   5,000 A $ 24.34 10,099 D   Common Stock 05/03/2013   F   4,899 D $ 25.4 5,200 D   Common Stock 05/03/2013   M   3,750 A $ 18.23 8,950 D   Common Stock 05/03/2013   F   3,240 D $ 25.4 5,710 D   Common Stock 05/03/2013   M   3,000 A $ 18.04 8,710 D   Common Stock 05/03/2013   F   2,581 D $ 25.4 6,129 D   Common Stock 05/03/2013   M   1,750 A $ 21.61 7,879 D   Common Stock 05/03/2013   F   1,623 D $ 25.4 6,256 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)

$ 24.34

05/03/2013

D

5,000

06/18/2009(2)

06/17/2015

Common Stock

5,000

$ 0

0

D

Option - Right to Buy (1)

$ 18.23

05/03/2013

D

3,750

06/29/2010(3)

06/28/2016

Common Stock

3,750

$ 0

1,250

D

Option - Right to Buy (1)

$ 18.04

05/03/2013

D

3,000

06/23/2011(4)

06/22/2017

Common Stock

3,000

$ 0

3,000

D

Option - Right to Buy (1)

$ 21.61

05/03/2013

D

1,750

07/27/2012(5)

07/26/2018

Common Stock

1,750

$ 0

5,250

D

Reporting Owners

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

Signatures

/s/ Samuel D. Williams		05/03/2013
**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 as to 1,250 shares on each of June 18, 2009, June 18, 2010, June 18, 2011 and June 18, 2012.
(3)	The option vested or will vest as to 1,250 shares on each of June 29, 2010, June 29, 2011, June 29, 2012 and June 29, 2013.
(4)	The option vested or will vest as to 1,500 shares on each of June 23, 2011, June 23, 2012, June 23, 2013 and June 23, 2014.
(5)	The option vested or will vest as to 1,750 shares on each of July 27, 2012, July 27, 2013, July 27, 2014 and July 27, 2015.

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