SEC Form 4

FORM 4		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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* HEISER JAMES S (Last) (First) (Middle) DUCOMMUN INCORPORATED 111 W. OCEAN BOULEVARD, SUITE 900 (Street) LONG BEACH CA 90802-7901 (City) (State) (Zip)	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, CFO & Gen. Cnsl.
	3. Date of Earliest Transaction (Month/Day/Year) 12/02/2003
	4. If Amendment, Date of 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

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	12/02/2003		M		2,500	A	$12.875	9,319	D
Common Stock	12/02/2003		M		1,000	A	$10.625	10,319	D
Common Stock	12/02/2003		M		1,250	A	$13	11,569	D
Common Stock	12/02/2003		M		6,250	A	$13.2	17,819	D
Common Stock	12/02/2003		F		8,445	D	$22.5	9,374	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 (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 Securities Underlying Derivative Security (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: 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)	$12.875	12/02/2003		M			2,500	01/27/2000(2)	01/26/2006	Common Stock	2,500	$0	0	D
Option - right to buy(1)	$10.625	12/02/2003		M			1,000	01/26/2001(3)	01/25/2007	Common Stock	1,000	$0	1,000	D
Option - right to buy(1)	$13	12/02/2003		M			1,250	01/24/2002(4)	01/23/2008	Common Stock	1,250	$0	2,500	D
Option - right to buy(1)	$13.2	12/02/2003		M			6,250	08/02/2002(5)	08/01/2008	Common Stock	6,250	$0	12,500	D

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 in four equal parts on January 27, 2000, 2001, 2002 and 2003.

3. The option will vest in four equal installments on January 26, 2001, 2002, 2003 and 2004.

4. The option will vest in four equal installments on January 24, 2002, 2003, 2004 and 2005.

5. The option will vest in four equal installments on August 2, 2002, 2003, 2004 and 2005.

	/s/ James S. Heiser	12/03/2003
	** Signature of Reporting Person	Date
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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