Director Richard Baldridge sells 10,440 Ducommun (DCO) shares

Rhea-AI Filing Summary

Ducommun Inc. director Richard A. Baldridge sold 10,440 shares of common stock in open-market transactions. The trades took place on March 10, 2026 at a weighted average price of $130.83 per share, in multiple executions between $130.00 and $132.41. After these sales, he directly owns 20,100 Ducommun shares.

Insights

Equity analyst

Director’s open-market sale appears routine and moderately sized relative to his holdings.

Director Richard A. Baldridge executed an open-market sale of 10,440 shares of Ducommun Inc. common stock at a weighted average price of $130.83 per share. The transactions were broken into multiple trades within a narrow price band from $130.00 to $132.41.

Following the sale, Baldridge holds 20,100 shares directly, indicating he retained a substantial stake. There are no derivative positions reported in this filing, and the transaction is characterized purely as a non-derivative, open-market sale, which typically suggests a routine portfolio or liquidity move.

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^*

BALDRIDGE RICHARD A

(Last) (First) (Middle)

C/O DUCOMMUN INCORPORATED

600 ANTON BLVD., # 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)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/10/2026

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	03/10/2026		S		10,440	D	$130.83(1)	20,100	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. This transaction was executed in multiple trades at prices ranging from $130.00 to $132.41. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder, full information regarding the number of shares and the prices at which the transaction was effectuated.

	Richard A. Baldridge	03/12/2026
	** 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 transaction did Ducommun (DCO) report for Richard A. Baldridge?

Ducommun reported that director Richard A. Baldridge executed an open-market sale of 10,440 shares of the company’s common stock. The transaction is classified as a non-derivative sale of common stock on March 10, 2026, according to the Form 4 filing details.

How many Ducommun (DCO) shares did Richard A. Baldridge sell and at what price?

Richard A. Baldridge sold 10,440 Ducommun shares in open-market trades. The weighted average sale price was $130.83 per share. Footnotes explain the trades occurred in multiple executions, with prices ranging from $130.00 to $132.41 across the completed transactions.

How many Ducommun (DCO) shares does Richard A. Baldridge hold after this Form 4 transaction?

After the reported sale, Richard A. Baldridge directly owns 20,100 Ducommun common shares. This figure represents his direct ownership immediately following the 10,440-share open-market disposition disclosed in the Form 4, giving investors context on his remaining equity stake in the company.

What type of transaction is shown in the Ducommun (DCO) Form 4 for Richard A. Baldridge?

The Form 4 identifies the event as an open-market sale of common stock, coded “S” for a non-derivative transaction. It is described as a sale in open market or private transaction, with no accompanying derivative exercises or tax-withholding entries in this particular filing.

What price range is disclosed for Richard A. Baldridge’s Ducommun (DCO) share sales?

The filing notes the sale was executed in multiple trades at prices between $130.00 and $132.41 per share. The reported transaction price of $130.83 represents the weighted average sale price across those trades, as described in the accompanying Form 4 footnote.