Ducommun (DCO) HR chief receives stock awards and withholds shares for taxes

Rhea-AI Filing Summary

Ducommun Incorporated executive Laureen S. Gonzalez, Vice President and Chief Human Resources Officer, reported a mix of equity awards and related tax-share withholdings in company common stock. On March 4, 2026, she acquired 3,864 shares upon settlement of performance stock units granted on May 8, 2023, and separately received a grant of 871 shares as compensation for services. To cover tax withholding obligations tied to these settlements, 2,077 shares were withheld on March 4, 2026 at $139.45 per share and 360 shares were withheld on March 5, 2026 at $130.19 per share, both reported as dispositions to the issuer rather than open-market sales. Following these transactions, she directly owned 13,037 shares of Ducommun common stock, which total also includes small prior purchases through the company stock purchase plan.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Gonzalez Laureen S.

Role V.P., CHRO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	360	$130.19	$47K
Grant/Award	Common Stock	3,864	$0.00	--
Tax Withholding	Common Stock	2,077	$139.45	$290K
Grant/Award	Common Stock	871	$0.00	--

Holdings After Transaction: Common Stock — 13,037 shares (Direct)

Footnotes (1)

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. Granted as compensation for services. The total amount of securities listed includes 30 shares of common stock acquired on July 31, 2025 and 23 shares of common stock acquired on January 30, 2026, both through the Ducommun Incorporated Stock Purchase Plan. Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 4, 2026, of 3,864 performance stock units as described in footnote (1) above. Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 5, 2026, of 668 restricted stock units.

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^*

Gonzalez Laureen S.

(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)
	V.P., CHRO

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		A		3,864(1)	A	$0(2)	14,603(3)	D
Common Stock	03/04/2026		F		2,077(4)	D	$139.45	12,526	D
Common Stock	03/04/2026		A		871	A	$0	13,397	D
Common Stock	03/05/2026		F		360(5)	D	$130.19	13,037	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 30 shares of common stock acquired on July 31, 2025 and 23 shares of common stock acquired on January 30, 2026, both through the Ducommun Incorporated 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 3,864 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 668 restricted stock units.

	Laureen S. Gonzalez	03/06/2026
	** 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 insider transactions did Ducommun (DCO) report for Laureen S. Gonzalez?

Laureen S. Gonzalez reported both equity awards and tax-related share dispositions. She received performance-based and service-based stock grants, while shares were withheld to satisfy tax obligations, resulting in updated direct ownership of 13,037 common shares in Ducommun.

How many Ducommun (DCO) shares did Laureen S. Gonzalez acquire in the latest Form 4?

She acquired 3,864 shares from the settlement of performance stock units and an additional 871 shares granted as compensation. These awards increased her direct holdings before accounting for tax-share withholdings reported as dispositions to the issuer.

Were Laureen S. Gonzalez’s Ducommun (DCO) dispositions open-market sales?

No. The reported dispositions of 2,077 shares and 360 shares were reductions to satisfy tax withholding obligations on equity settlements. The shares were delivered to the issuer, not sold in open-market transactions, according to the filing footnotes.

What prices were used for Ducommun (DCO) tax-withholding share dispositions?

The tax-withholding dispositions were reported at $139.45 per share for 2,077 shares on March 4, 2026, and $130.19 per share for 360 shares on March 5, 2026. These values reflect the share prices applied to cover tax liabilities.

What is Laureen S. Gonzalez’s updated Ducommun (DCO) share ownership?

After the reported grants and tax-withholding dispositions, Laureen S. Gonzalez directly owned 13,037 shares of Ducommun common stock. This figure also includes small prior acquisitions through the Ducommun Incorporated Stock Purchase Plan, as described in the filing footnotes.

How were Ducommun (DCO) performance stock units settled for Laureen S. Gonzalez?

Performance stock units granted on May 8, 2023 settled into 3,864 common shares on March 4, 2026 after performance metrics were satisfied. A portion of these shares was then reduced to cover tax withholding obligations owed to the issuer, according to the disclosure.