Laureen S. Gonzalez - 04 Mar 2026 Form 4 Insider Report for DUCOMMUN INC /DE/ (DCO)

Role
V.P., CHRO
Signature
Laureen S. Gonzalez
Issuer symbol
DCO
Transactions as of
04 Mar 2026
Net transactions value
$0
Form type
4
Filing time
06 Mar 2026, 17:00:02 UTC
Previous filing
16 May 2025

Reporting Owners (1)

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

Transactions Table

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
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

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.