STOCK TITAN

Ducommun (DCO) CEO sells 5,766 shares after exercising 15,000 options

(Very High)
(Negative)
Form Type
4

Rhea-AI Filing Summary

Ducommun Inc. Chairman, President & CEO Stephen G. Oswald reported several equity transactions. On 2026-08-11 he exercised options to acquire 15,000 common shares at a conversion price of $32.90 per share under the company’s Stock Incentive Plan, and 9,234 shares were delivered or withheld for payment of exercise price or tax liability. On the same date, his remaining options position reported for this grant was 17,500 options. On 2026-08-12 he sold 5,766 common shares at a weighted average price of $201.15 per share in trades executed between $200.15 and $202.08, and made a bona fide gift of 2,244 shares.

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Insights

Analyzing...

Insider Oswald Stephen G
Role Chairman, President & CEO
Sold 5,766 shs ($1.16M)
Approx. gross sale proceeds $1.16M
Approx. exercise cost $494K
Type Security Shares Price Value
Sale Common Stock F1 5,766 $201.15 $1.16M
Gift Common Stock 2,244 $0.00 $0.00
Exercise Option - Right to Buy F2, F3 15,000 $0.00 $0.00
Exercise Common Stock 15,000 $32.90 $494K
Exercise Price or Tax Liability Common Stock 9,234 $194.85 $1.80M
Holdings After Transaction: Option - Right to Buy — 17,500 shares (Direct); Common Stock — 383,631 shares (Direct)
Footnotes (3)
  1. F1. This transaction was executed in multiple trades at prices ranging from $200.15 to $202.08. 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 prices at which the transaction was effectuated.
  2. F2. This option represents the right to purchase common stock under Ducommun Incorporated's Stock Incentive Plan, which is a Rule 16b-3 plan.
  3. F3. This option vested in one-third increments on each of May 14, 2019, 2020 and 2021.
Shares sold 5,766 shares Common stock sale on 2026-08-12 at weighted average price
Weighted average sale price $201.15 per share Sale of 5,766 common shares in multiple trades between $200.15 and $202.08
Option shares exercised 15,000 shares Options exercised on 2026-08-11 into common stock
Option conversion price $32.90 per share Right to purchase common stock under Stock Incentive Plan
Shares delivered/withheld for exercise or taxes 9,234 shares Code F transaction for payment of exercise price or tax liability
Bona fide gift shares 2,244 shares Gift of common stock on 2026-08-12 coded G
Options remaining after exercise 17,500 options Total options reported following derivative transaction
weighted average sale price financial
"The price reported above reflects the weighted average sale price."
Stock Incentive Plan financial
"This option represents the right to purchase common stock under Ducommun Incorporated's Stock Incentive Plan."
A stock incentive plan is a company program that gives employees or directors pieces of ownership or the right to buy shares over time, similar to receiving a bonus paid in company stock instead of cash. Investors pay attention because these plans align staff incentives with long‑term company performance but can also dilute existing shareholders and affect reported profits when grants are expensed, so they influence both ownership percentages and financial results.
Rule 16b-3 plan regulatory
"Stock Incentive Plan, which is a Rule 16b-3 plan."
bona fide gift financial
"transaction_code_description": "Bona fide gift""
A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.
Payment of exercise price or tax liability financial
"Payment of exercise price or tax liability by delivering or withholding securities"

FAQ

What did DCO Chairman and CEO Stephen G. Oswald report in this Form 4?

Stephen G. Oswald reported an option exercise for 15,000 shares, a sale of 5,766 shares, a bona fide gift of 2,244 shares, and 9,234 shares delivered or withheld to cover exercise price or tax liability.

How many Ducommun (DCO) shares did the CEO sell and at what price?

He sold 5,766 Ducommun common shares at a weighted average price of $201.15 per share. The trades occurred in multiple executions, with prices ranging from $200.15 to $202.08, as disclosed in the transaction footnote.

What options did the Ducommun (DCO) CEO exercise in this filing?

He exercised options covering 15,000 Ducommun common shares at a $32.90 per-share conversion price. These options were granted under Ducommun Incorporated’s Stock Incentive Plan and vested in one-third increments on May 14, 2019, 2020 and 2021.

How many Ducommun (DCO) shares were used to cover exercise price or taxes?

A total of 9,234 Ducommun common shares were delivered or withheld for payment of exercise price or tax liability related to the option exercise, according to the Form 4 transaction coded “F.”

Did the Ducommun (DCO) CEO make any gifts of stock in this Form 4?

Yes. Stephen G. Oswald reported a bona fide gift of 2,244 Ducommun common shares. This transfer is coded “G” on the Form 4 and carries a reported per-share value of $0.00 as it is a gift, not a sale.

What options position remains for the Ducommun (DCO) CEO after these transactions?

For the reported option grant, the filing states 17,500 options following the transaction. This figure relates to the specific “Option - Right to Buy” line item disclosed in the Form 4 and does not address any other grants.

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SEC Form 4
FORM 4UNITED 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*
Oswald Stephen G

(Last)(First)(Middle)
600 ANTON BLVD.
SUITE 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)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chairman, President & CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/11/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock08/11/2026M15,000A$32.9400,875D
Common Stock08/11/2026F9,234D$194.85391,641D
Common Stock08/12/2026S5,766D$201.15(1)385,875D
Common Stock08/12/2026G2,244D$0383,631D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Option - Right to Buy(2)$32.908/11/2026M15,00005/14/2021(3)05/14/2028Common Stock15,000$017,500D
Explanation of Responses:
1. This transaction was executed in multiple trades at prices ranging from $200.15 to $202.08. 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 prices at which the transaction was effectuated.
2. This option represents the right to purchase common stock under Ducommun Incorporated's Stock Incentive Plan, which is a Rule 16b-3 plan.
3. This option vested in one-third increments on each of May 14, 2019, 2020 and 2021.
Stephen G. Oswald08/13/2026
** Signature of Reporting PersonDate
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)