| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Korte Daniel G. | Director | C/O DUCOMMUN INCORPORATED, 600 ANTON BLVD., # 1100, COSTA MESA | Daniel G. Korte | 09 May 2025 | 0001603393 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DCO | Common Stock | Award | $0 | +2,300 | +284% | $0.000000 | 3,111 | 08 May 2025 | Held in Trust FBO Family |