Transaction · 0001193125-26-357054

Oswald Stephen G

Oswald Stephen G, CHAIR, PRES, CEO, reported a transaction classified as exercise at DUCOMMUN INC /DE/ involving 10000.000000 shares for an estimated $0.00. Reported holdings after the transaction were 7500.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MCHAIR, PRES, CEO
DCODUCOMMUN INC /DE/
Filing timeAug 19
Trade dateAug 17, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$200.16
Pre-filing
1mo ago -15.8%1w ago -2.7%1d ago +3.4%
Returns since
7d -7.4%30d -15.7%90d -15.7%180d -15.7%1y -15.7%

DCO price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
DCO since 2026-08-19Filed 16 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
exercise
Code M
Identifier
0001193125-26-357054
Option - Right to Buy
Transaction date
Aug 17, 2026
Filed Aug 19, 2026, 08:49 PM · 2d delay
Shares
10.0k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
7.50k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Derivative Transaction Direct Ownership Large Holdings Reduction
-6score
Filing-only score

-6

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chairman, President & CEO

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    This transaction was executed in multiple trades at prices ranging from $202.49 to $204.80. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to…

  2. F2

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

  3. F3

    This option vested in one-third increments on each of May 14, 2019, 2020 and 2021.

Original filing · 0001193125-26-357054
Related transactions

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Same reporting owner
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