Sec Form 4/A Filing - Andrus Kathryn M @ DUCOMMUN INC /DE/ - 2013-09-09

FORM 4/A 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 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 Andrus Kathryn M 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, Internal Audit (Last) (First) (Middle) DUCOMMUN INCORPORATED, 23301WILMINGTON AVE. 3. Date of Earliest Transaction (MM/DD/YY) 09/09/2013 (Street) CARSON, CA90745-6209 4. If Amendment, Date Original Filed (MM/DD/YY) 09/17/2013 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 09/09/2013 M 2,000 A $ 25.82 3,500 D Common Stock 09/09/2013 M 2,000 A $ 24.34 5,500 D Common Stock 09/09/2013 M 2,000 A $ 18.23 7,500 D Common Stock 09/09/2013 M 1,500 A $ 18.04 9,000 D Common Stock 09/09/2013 M 1,750 A $ 21.61 10,750 D Common Stock 09/09/2013 S 9,250 D $ 26.8933 1,500 D Common Stock 09/12/2013 M 1,000 A $ 9.81 2,500 D Common Stock 09/12/2013 S 1,000 D $ 28.6009 1,500 D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 ) $ 25.82 09/09/2013 M 2,000 06/26/2008( 2 ) 06/25/2014 Common Stock 2,000 $ 0 0 D Option - Right to Buy ( 1 ) $ 24.34 09/09/2013 M 2,000 06/18/2009( 3 ) 06/17/2015 Common Stock 2,000 $ 0 0 D Option - Right to Buy ( 1 ) $ 18.23 09/09/2013 M 2,000 06/29/2010( 4 ) 06/28/2016 Common Stock 2,000 $ 0 0 D Option - Right to Buy ( 1 ) $ 18.04 09/09/2013 M 1,500 06/23/2011( 5 ) 06/22/2017 Common Stock 1,500 $ 0 500 D Option - Right to Buy ( 1 ) $ 21.61 09/09/2013 M 1,750 07/27/2012( 6 ) 07/26/2018 Common Stock 1,750 $ 0 1,750 D Option - Right to Buy ( 1 ) $ 9.81 09/12/2013 M 1,000 07/01/2013( 7 ) 06/30/2019 Common Stock 1,000 $ 0 3,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Andrus Kathryn M DUCOMMUN INCORPORATED 23301WILMINGTON AVE. CARSON, CA90745-6209 VP, Internal Audit Signatures /s/ Kathryn M. Andrus 09/18/2013 Signature of Reporting Person Date

Explanation of Responses:

( 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 500 shares on each of June 26, 2008, June 26, 2009, June 26, 2010 and June 26, 2011. ( 3 )The option vested as to 500 shares on each of June 18, 2009, June 18, 2010, June 18, 2011 and June 18, 2012. ( 4 )The option vested as to 500 shares on each of June 29, 2010, June 29, 2011, June 29, 2012 and June 29, 2013. ( 5 )The option vested or will vest as to 500 shares on each of June 23, 2011, June 23, 2012, June 23, 2013 and June 23, 2014. ( 6 )The option vested or will vest as to 875 shares on each of July 27, 2012, July 27, 2013, July 27, 2014 and July 27, 2015. ( 7 )The option vested or will vest as to 1,000 shares on each of July 1, 2013, July 1, 2014, July 1, 2015 and July 1, 2016.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* 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).

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