| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Strycker Samara A | Director | C/O DUCOMMUN INCORPORATED, 600 ANTON BLVD., # 1100, COSTA MESA | Samara A. Strycker | 09 May 2025 | 0001613890 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DCO | Common Stock | Award | $0 | +2.3K | +31.94% | $0.00 | 9.5K | 08 May 2025 | Direct |