Ducommun (DCO) director Mark Caylor receives 1,200-share stock grant

Rhea-AI Filing Summary

DUCOMMUN INC /DE/ director Mark A. Caylor received a grant of 1,200 shares of Common Stock. The shares were acquired on May 27, 2026 at a stated price of $0.00 per share, bringing his directly held position to 1,200 shares. This appears to be a compensation-related equity award rather than an open-market purchase.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Caylor Mark A

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,200	$0.00	--

Holdings After Transaction: Common Stock — 1,200 shares (Direct, null)

Footnotes (1)

Key Figures

Shares granted: 1,200 shares Transaction price per share: $0.00 per share Shares held after transaction: 1,200 shares +2 more

5 metrics

Shares granted 1,200 shares Common Stock grant on May 27, 2026

Transaction price per share $0.00 per share Reported for the 1,200-share grant

Shares held after transaction 1,200 shares Direct ownership following the grant

Transaction type Grant, award, or other acquisition Form 4 transaction code A, non-derivative

Transaction direction Acquire Reported in transaction_direction field

Key Terms

Grant, award, or other acquisition, non-derivative, Common Stock

3 terms

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

non-derivative financial

"transaction_type: non-derivative"

Common Stock financial

"security_title: Common Stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

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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^*

Caylor Mark A

(Last) (First) (Middle)

C/O DUCOMMUN INCORPORATED

600 ANTON BLVD., # 1100

(Street)

COSTA MESA CALIFORNIA 92626

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
DUCOMMUN INC /DE/ [ DCO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/27/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	05/27/2026		A		1,200	A	$0	1,200	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:

	Mark A. Caylor	05/29/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did DUCOMMUN (DCO) report for Mark A. Caylor?

DUCOMMUN reported that director Mark A. Caylor received a grant of 1,200 shares of Common Stock. The transaction was recorded as a grant or award acquisition, not an open-market purchase, and reflects additional equity-based compensation.

Was the DUCOMMUN (DCO) insider transaction a stock purchase or a grant?

The transaction was reported as a grant or award acquisition, not an open-market stock purchase. Mark A. Caylor received 1,200 Common Stock shares at a stated price of $0.00 per share, consistent with equity compensation awards rather than market buying.

How many DUCOMMUN (DCO) shares does Mark A. Caylor hold after this Form 4?

After the reported transaction, Mark A. Caylor directly holds 1,200 shares of DUCOMMUN Common Stock. All 1,200 shares were acquired through the grant reported on May 27, 2026, according to the Form 4 filing data.

What was the transaction price in the DUCOMMUN (DCO) Form 4 grant to Mark A. Caylor?

The Form 4 lists a transaction price of $0.00 per share for the 1,200-share grant. This pricing is typical for stock or restricted stock awards given as compensation rather than purchased on the open market at prevailing prices.

Does the DUCOMMUN (DCO) Form 4 show any stock sales by Mark A. Caylor?

The Form 4 data shows no stock sales by Mark A. Caylor. It reports only one non-derivative transaction: an acquisition of 1,200 Common Stock shares via grant or award, increasing his directly held position to 1,200 shares.