Tata Rajiv A.

SEC source: 0001193125-26-232902 · ownership.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,171

F1 · shares: The reported sale was consummated to satisfy the Reporting Person's obligations in connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Current Report on Form 8-K filed on May 1, 2026. In connection with the foregoing, the Issuer determined that the Reporting Person would not have earned certain compensation had such compensation been determined based on the restated financial statements. As a result, the proceeds from the current transaction will be applied to satisfy the Reporting Person's obligations with respect to the Clawback Policy.

F2 · price: All shares were sold at the exact price indicated. The average sales price calculation is not applicable.

SEC source: 0001193125-26-227186 · ownership.xml · nonDerivative · entry 2

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,783

F2 · shares: In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026, the Issuer determined that the Reporting Person would not have earned certain compensation had such compensation been determined based on the restated financial statements. As a result, 1,107 restricted stock units that vested on May 14, 2026 were not delivered to the Reporting Person and 558 shares of the Issuer's common stock were returned to the Issuer in accordance with the Issuer's Clawback Policy.

F2 · price: In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026, the Issuer determined that the Reporting Person would not have earned certain compensation had such compensation been determined based on the restated financial statements. As a result, 1,107 restricted stock units that vested on May 14, 2026 were not delivered to the Reporting Person and 558 shares of the Issuer's common stock were returned to the Issuer in accordance with the Issuer's Clawback Policy.

SEC source: 0001193125-26-227186 · ownership.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,341

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 14, 2026, of 1,107 restricted stock units.

SEC source: 0001193125-26-219815 · ownership.xml · nonDerivative · entry 2

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,890

F2 · shares: In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026, the Issuer determined that the Reporting Person would not have earned certain compensation had such compensation been determined based on the restated financial statements. As a result, 1,241 restricted stock units that vested on May 8, 2026 were not delivered to the Reporting Person and 625 shares of Issuer common stock were returned to the Issuer in accordance with the Issuer's Clawback Policy.

F2 · price: In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026, the Issuer determined that the Reporting Person would not have earned certain compensation had such compensation been determined based on the restated financial statements. As a result, 1,241 restricted stock units that vested on May 8, 2026 were not delivered to the Reporting Person and 625 shares of Issuer common stock were returned to the Issuer in accordance with the Issuer's Clawback Policy.

SEC source: 0001193125-26-219815 · ownership.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,515

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 8, 2026, of 1,241 restricted stock units.

SEC source: 0001801226-26-000002 · ownership.xml · derivative · entry 13

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,131

Underlying: Common Stock · 647 shares

Expires 2029-10-10

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F9 · derivative.exercise_date: This option vested in one-third increments on each of October 10, 2020, 2021 and 2022.

SEC source: 0001801226-26-000002 · ownership.xml · derivative · entry 12

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,484

Underlying: Common Stock · 820 shares

Expires 2029-10-10

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · security: This option represents the right to purchase common stock under Ducommun Incorporated's Stock Incentive Plan, which is a Rule 16b-3 plan.

SEC source: 0001801226-26-000002 · ownership.xml · derivative · entry 11

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,664

Underlying: Common Stock · 1,882 shares

Expires 2029-06-17

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · security: This option represents the right to purchase commun stock under Ducommun Incorporated's Stock Incentive Plan, which is a Rule 16b-3 plan.

F7 · derivative.exercise_date: This option vested in one-third increments on each of June 17, 2020, 2021 and 2022.

SEC source: 0001801226-26-000002 · ownership.xml · nonDerivative · entry 10

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,131

SEC source: 0001801226-26-000002 · ownership.xml · nonDerivative · entry 9

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,317

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001801226-26-000002 · ownership.xml · nonDerivative · entry 8

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,484

SEC source: 0001801226-26-000002 · ownership.xml · nonDerivative · entry 7

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,164

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001801226-26-000002 · ownership.xml · nonDerivative · entry 6

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,664

SEC source: 0001801226-26-000002 · ownership.xml · nonDerivative · entry 5

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,622

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001801226-26-000002 · ownership.xml · nonDerivative · entry 4

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,782

F5 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 5, 2026, of 1,143 restricted stock units.

SEC source: 0001801226-26-000002 · ownership.xml · nonDerivative · entry 3

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,397

SEC source: 0001801226-26-000002 · ownership.xml · nonDerivative · entry 2

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,908

F4 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 4, 2026, of 7,622 performance stock units as described in footnote (1) above.

SEC source: 0001801226-26-000002 · ownership.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,005

F1 · shares: 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 · price: Granted as compensation for services.

F3 · balance_after: The total number of securities listed includes 72 shares of common stock acquired on July 31, 2025 and 52 shares of common stock acquired on January 30, 2026, both through the Ducommun Incorporated Employee Stock Purchase Plan.

SEC source: 0000950170-25-089062 · ownership.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,259

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on June 20, 2025, of 1,367 restricted stock units.

SEC source: 0000950170-25-073694 · ownership.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,994

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on May 14, 2025, of 1,106 restricted stock units.

SEC source: 0000950170-25-068309 · ownership.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,589

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 8, 2025, of 1,240 restricted stock units.

SEC source: 0000950170-25-035662 · ownership.xml · nonDerivative · entry 3

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,256

SEC source: 0000950170-25-035662 · ownership.xml · nonDerivative · entry 2

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,825

F4 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 5, 2025, of 3,366 performance stock units, as described in footnote (1) above.

SEC source: 0000950170-25-035662 · ownership.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,635

F1 · shares: Acquired upon the settlement of performance stock units granted on June 22, 2022 under the Ducommun Incorporated Stock Incentive Plan as a result of the satisfaction of performance criteria underlying the award.

F2 · price: Granted as compensation for services.

F3 · balance_after: The total amount of securities listed includes 93 shares of common stock acquired on July 31, 2024 and 77 shares of common stock acquired on January 31, 2025, both through the Ducommun Incorporated Employee Stock Purchase Plan.

SEC source: 0000950170-24-076919 · ownership.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,099

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on June 21, 2024, of 1,367 restricted stock units.

SEC source: 0000950170-24-060648 · ownership.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,834

SEC source: 0000950170-24-057195 · ownership.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,514

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 8, 2024, of 1,239 restricted stock units.

SEC source: 0000950170-24-022418 · ownership.xml · nonDerivative · entry 2

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,180

F3 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on February 26, 2024, of 8,960 performance stock units, as described in footnote (1) above.

SEC source: 0000950170-24-022418 · ownership.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,997

F1 · shares: Acquired upon the settlement of performance stock units granted on February 17, 2021 under the Ducommun Incorporated Stock Incentive Plan as a result of the satisfaction of the performance criteria underlying the award.

F2 · price: Granted as compensation for services.

SEC source: 0000950170-24-017272 · ownership.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., G.C. & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,037

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on February 16, 2024, of 1,027 restricted stock units.

F2 · balance_after: The total amount of securities listed includes 79 shares of common stock acquired on July 31, 2023 and 82 shares of common stock acquired on January 31, 2024, both through the Ducommun Incorporated Employee Stock Purchase Plan.

SEC source: 0001209191-23-039441 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,429

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on June 22, 2023, of 1,366 restricted stock units.

SEC source: 0001209191-23-028336 · doc4.xml · nonDerivative · entry 2

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,149

SEC source: 0001209191-23-028336 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,429

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 5, 2023, of 1,300 restricted stock units.

SEC source: 0001209191-23-012887 · doc4.xml · nonDerivative · entry 2

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,114

F3 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on February 23, 2023, of 14,460 performance stock units as described in footnote (1) above.

SEC source: 0001209191-23-012887 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,728

F1 · shares: Acquired upon the settlement of performance stock units granted on May 7, 2020 under the Ducommun Incorporated Stock Incentive Plan as a result of the satisfaction of the performance criteria underlying the award.

F2 · price: Granted as compensation for services.

SEC source: 0001209191-23-011310 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,268

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on February 17, 2023, of 997 restricted stock units.

F2 · balance_after: The total amount of securities listed includes 79 shares of common stock acquired on January 31, 2023 through the Ducommun Incorporated Employee Stock Purchase Plan.

SEC source: 0001209191-22-061320 · doc4.xml · derivative · entry 3

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 750 shares

Expires 2024-04-10

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: This option represents the right to purchase common stock under Ducommun Incorporated's Stock Incentive Plan, which is a Rule 16b-3 plan.

F2 · derivative.exercise_date: This option vested as to 375 shares on each of April 10, 2018, 2019, 2020 and 2021.

SEC source: 0001209191-22-061320 · doc4.xml · nonDerivative · entry 2

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,714

SEC source: 0001209191-22-061320 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,258

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-22-039317 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,508

SEC source: 0001209191-22-038509 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,408

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on June 17, 2022, of 197 restricted stock units.

SEC source: 0001209191-22-027940 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,512

F1 · shares: Represents a reduction in shares to satisfy the withholding obligations of the Issuer with respect to the vesting of 1,300 restricted stock units on May 6, 2022.

SEC source: 0001209191-22-011379 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,197

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on February 17, 2022, of 996 restricted stock units.

F2 · balance_after: The total amount of securities listed includes 208 shares of common stock acquired on January 31, 2022 through the Ducommun Incorporated Employee Purchase Plan.

SEC source: 0001209191-21-042243 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,568

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on June 17, 2021, of 197 restricted stock units.

SEC source: 0001209191-21-033197 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,672

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on May 14, 2021, of 250 restricted stock units.

SEC source: 0001209191-21-031772 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,804

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on May 7, 2021, of 1,300 restricted stock units.

SEC source: 0001209191-21-012501 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,489

F1 · balance_after: The total amount of securities listed includes 237 shares of common stock acquired on July 31, 2020 and 237 shares of common stock acquired on January 31, 2021, both through the Ducommun Incorporated Employee Stock Purchase Plan.

SEC source: 0001209191-20-037550 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,995

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on June 17, 2020, of 196 restricted stock units.

SEC source: 0001209191-20-029808 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,063

F1 · shares: Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on May 14, 2020, of 250 restricted stock units.

SEC source: 0001209191-20-027992 · doc4.xml · nonDerivative · entry 1

Tata Rajiv A. · CIK 0001801226 · V.P., General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,150