| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gonzalez Laureen S. | V.P., CHRO | 600 ANTON BLVD., SUITE 1100, COSTA MESA | Laureen S. Gonzalez | 06 Mar 2026 | 0001944018 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DCO | Common Stock | Award | +3,864 | +36% | $0.000000* | 14,603 | 04 Mar 2026 | Direct | F1, F2, F3 | |
| transaction | DCO | Common Stock | Tax liability | -2,077 | -14% | $139.45* | 12,526 | 04 Mar 2026 | Direct | F4 | |
| transaction | DCO | Common Stock | Award | +871 | +7% | $0.000000* | 13,397 | 04 Mar 2026 | Direct | ||
| transaction | DCO | Common Stock | Tax liability | -360 | -2.7% | $130.19* | 13,037 | 05 Mar 2026 | Direct | F5 |
| Id | Content |
|---|---|
| F1 | Acquired upon the settlement of performance stock units granted on May 8, 2023 under the Ducommun Incorporated Stock Incentive Plan as a result of the satisfaction of performance metrics underlying the award. |
| F2 | Granted as compensation for services. |
| F3 | The total amount of securities listed includes 30 shares of common stock acquired on July 31, 2025 and 23 shares of common stock acquired on January 30, 2026, both through the Ducommun Incorporated Stock Purchase Plan. |
| F4 | Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 4, 2026, of 3,864 performance stock units as described in footnote (1) above. |
| F5 | Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 5, 2026, of 668 restricted stock units. |