Form 4: DCO officer sells 1,594 at $93.83; 67,269 remain

Rhea-AI Filing Summary

Ducommun (DCO) insider activity: Senior Vice President, Electronics & Structural Systems, executed an open‑market sale of common stock. On 11/10/2025, 1,594 shares were sold at $93.83 per share. Following this transaction, beneficial ownership stands at 67,269 shares. The ownership total includes 86 common shares acquired on July 31, 2025 through the company’s Employee Stock Purchase Plan. The filing notes the shares were sold at the exact price indicated.

Insider Trade Summary

Net Seller: 1,594 shares ($149,565)

Net Sell 1 txn

Insider Redondo Jerry L

Role S.V.P., Elec. & Struc. Systems

Sold 1,594 shs ($150K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,594	$93.83	$150K

Holdings After Transaction: Common Stock — 67,269 shares (Direct)

Footnotes (1)

1. All shares were sold at the exact price indicated. The average sales price calculation is not applicable. The total number of securities listed includes 86 shares of common stock acquired on July 31, 2025 through Ducommun Incorporated's Employee Stock Purchase Plan.

Form 4 Insider Transactions: What Each Field Means →

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Redondo Jerry L

(Last) (First) (Middle)

600 ANTON BLVD.

SUITE 1100

(Street)

COSTA MESA CA 92626

(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)
	S.V.P., Elec. & Struc. Systems

3. Date of Earliest Transaction (Month/Day/Year)
11/10/2025

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	11/10/2025		S		1,594	D	$93.83(1)	67,269(2)	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

Explanation of Responses:

1. All shares were sold at the exact price indicated. The average sales price calculation is not applicable.

2. The total number of securities listed includes 86 shares of common stock acquired on July 31, 2025 through Ducommun Incorporated's Employee Stock Purchase Plan.

	Jerry L. Redondo	11/12/2025
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Ducommun (DCO) disclose in this Form 4?

A company officer sold 1,594 shares of common stock at $93.83 on 11/10/2025.

What is the officer’s remaining beneficial ownership in DCO?

Post‑transaction holdings are 67,269 shares.

Who is the reporting person in this Form 4?

Senior Vice President Jerry L. Redondo, Electronics & Structural Systems.

At what price were the shares sold?

All reported shares were sold at $93.83 per share.

Does the reported ownership include ESPP shares?

Yes. The total includes 86 shares acquired via the ESPP on July 31, 2025.

Were any derivative securities reported?

No derivative transactions are listed in the provided excerpt.

Is the filing joint or individual?

It is filed by one reporting person.