InsiderTrades

Form 4 for DCO DUCOMMUN INC /DE/

Accepted 2026-03-06 00:00:00 ET · period of report 2026-03-04 · accession 0001695904-26-000002 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
M 2026-03-06 2026-03-04 DCO Oswald Stephen G COB, Pres, CEO, Dir A - Grant $0.00 +99.2K 434.5K +30% $0
M 2026-03-06 2026-03-04+ DCO Oswald Stephen G COB, Pres, CEO, Dir F - Tax $139.05 -55.7K 410.9K -12% -$7.75M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-04 A A 75,503 $0.00 451,439 D — — (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 279 shares of common stock acquired on January 30, 2026 through the Ducommun Incorporated Employee Stock Purchase Plan.
2 Common Common Stock 2026-03-04 F D 12,712 $139.45 421,793 D — — (F6) Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 4, 2026 of 23,640 performance restricted stock units (n/k/a revenue performance stock units) as described in footnote (5) above.
3 Common Common Stock 2026-03-05 F D 2,409 $130.19 419,384 D — — (F7) Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on March 5, 2026, of 4,480 restricted stock units.
4 Common Common Stock 2026-03-04 F D 40,583 $139.45 410,856 D — — (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 75,503 performance stock units described in footnote (1) above.
5 Common Common Stock 2026-03-04 A A 23,649 $0.00 434,505 D — — (F5) Represents the vesting of 23,649 performance restricted stock units (n/k/a revenue performance stock units) granted on May 8, 2023 as a result of the satisfaction of performance criteria underlying the award. (F2) Granted as compensation for services.