Oswald Stephen G's Form 4/A amendment
AmendedDucommun Inc (DCO) · filed Aug 13, 2026
- Accession no.
- 0001193125-26-349759
- Filed
- Aug 13, 2026, 6:30 PM ET
- Trade date
- Aug 11-12, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Not checked
- Original filed
- Aug 13, 2026
This filing lists 4 non-derivative transactions and 1 derivative transaction. Open-market sales total $1.16M. It was filed 2 days after the trade.
This amendment replaces 0001193125-26-349516 (filed Aug 13, 2026).
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Oswald Stephen GCIK 0001695904 | Director, Officer (Chairman, President & CEO) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 11, 2026 | Common Stock | MOption exerciseAcquired | +15,000 | $32.90 | +$493,500 | 400,875 | Direct | |
| Aug 11, 2026 | Common Stock | FTax withholdingDisposed | −9,234 | $194.85 | −$1,799,244.9 | 391,641 | Direct | |
| Aug 12, 2026 | Common Stock | SSaleDisposed | −5,766 | $201.15F1 | −$1,159,830.9 | 385,875 | Direct | |
| Aug 12, 2026 | Common Stock | GGiftDisposed | −3,400 | $0.00 | $0 | 382,475 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 11, 2026 | Common Stock | MOption exerciseDisposed | −15,000 | $0.00 | $0 | 17,500 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- 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.
Referenced by the price of 1 transaction in Table I.
- F2
The number of shares gifted on August 12, 2026 was inadvertently identified as 2,244 shares, which has been corrected above.
- F3
This option represents the right to purchase common stock under Ducommun Incorporated's Stock Incentive Plan, which is a Rule 16b-3 plan.
- F4
This option vested in one-third increments on each of May 14, 2019, 2020 and 2021.