SEC Form 4 · accession 0001193125-26-349516
DUCOMMUN INC /DE/ · DCO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Stephen G Oswald
Officer — Chairman, President & CEO · Director
Period of report
Aug 11, 2026
Accepted (ET)
Aug 13, 2026 · 4:55 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000030305
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 11, 2026 | M | 15,000 | $32.90 | A | 400,875 | D | |
| Common Stock | Aug 11, 2026 | F | 9,234 | $194.85 | D | 391,641 | D | |
| Common StockF1 | Aug 12, 2026 | S | 5,766 | $201.15 | D | 385,875 | D | |
| Common Stock | Aug 12, 2026 | G | 2,244 | $0.00 | D | 383,631 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Option - Right to BuyF2,F3 | $32.90 | Aug 11, 2026 | M | 15,000 | D | May 14, 2021 | May 14, 2028 | Common Stock | 15,000 | 17,500 | D |
Explanation of responses
- F1This 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.
- F2This option represents the right to purchase common stock under Ducommun Incorporated's Stock Incentive Plan, which is a Rule 16b-3 plan.
- F3This option vested in one-third increments on each of May 14, 2019, 2020 and 2021.