Stock awards and tax withholdings for Ducommun (NYSE: DCO) SVP

Rhea-AI Filing Summary

Ducommun Incorporated senior vice president Jerry L. Redondo reported stock-based compensation activity and related tax withholdings. On March 4, 2026, he acquired 9,261 shares of common stock upon settlement of performance stock units and 2,390 shares granted as compensation for services.

On the same date, 4,978 shares were disposed of in a tax-withholding disposition to cover obligations on the performance stock unit settlement. On March 5, 2026, a further 986 shares were disposed of to satisfy tax withholding tied to the settlement of 1,834 restricted stock units. After these transactions, he continued to hold over 70,000 shares directly.

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

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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)
03/04/2026

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	03/04/2026	03/04/2026	A		9,261(1)	A	$0(2)	74,607(3)	D
Common Stock	03/04/2026		F		4,978(4)	D	$139.45	69,629	D
Common Stock	03/04/2026		A		2,390	A	$0	72,019	D
Common Stock	03/05/2026		F		986(5)	D	$130.19	71,033	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. Acquired upon the settlement of performance stock units granted on May 8, 2023 under the Ducommun Incorporated Stock Incentive Plan as a result of the satisfaction of performance metrics underlying the award.

2. Granted as compensation for services.

3. The total amount of securities listed includes 77 shares of common stock acquired on January 30, 2026 through the Ducommun Incorporated Employee Stock Purchase Plan.

4. Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 4, 2026, of 9,261 performance stock units as described in footnote (1) above.

5. Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 5, 2026, of 1,834 restricted stock units.

	Jerry L. Redondo	03/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did Jerry L. Redondo report at Ducommun (DCO)?

Jerry L. Redondo reported stock awards and tax-related share dispositions. He received 9,261 shares from performance stock unit settlement and 2,390 shares as compensation, while 4,978 and 986 shares were withheld to cover tax obligations, all in common stock of Ducommun.

Were the Ducommun (DCO) insider share disposals open-market sales?

The reported disposals were tax-withholding dispositions, not open-market sales. Shares were surrendered to satisfy the issuer’s tax withholding obligations related to the settlement of performance stock units and restricted stock units granted to executive Jerry L. Redondo.

How many Ducommun (DCO) shares did Jerry L. Redondo acquire in this Form 4?

He acquired 9,261 common shares upon settlement of performance stock units and 2,390 common shares granted as compensation. Both grants were reported at a per-share price of zero, reflecting stock-based compensation rather than cash purchases on the open market.

How many Ducommun (DCO) shares were withheld for taxes in these transactions?

A total of 4,978 shares on March 4, 2026 and 986 shares on March 5, 2026 were withheld. These shares covered tax obligations arising from the settlement of performance stock units and restricted stock units awarded to the executive.

What is Jerry L. Redondo’s role at Ducommun (DCO) mentioned in this filing?

Jerry L. Redondo is identified as an officer of Ducommun with the title “S.V.P., Elec. & Struc. Systems.” The Form 4 reflects equity-based compensation and related tax-withholding dispositions connected to his service in this senior leadership position.

Does the Form 4 mention other recent share acquisitions by Jerry L. Redondo at Ducommun (DCO)?

A footnote states the total reported holdings include 77 common shares acquired on January 30, 2026 through the Ducommun Employee Stock Purchase Plan, indicating additional ownership beyond the reported grants and tax-withholding dispositions in this Form 4.