Transaction · 0001193125-26-357054

Oswald Stephen G

Oswald Stephen G, CHAIR, PRES, CEO, reported a transaction classified as withholding at DUCOMMUN INC DE involving 6111.000000 shares for an estimated $1264854.78. Reported holdings after the transaction were 386364.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FCHAIR, PRES, CEO
DCODUCOMMUN INC DE
Trade date
Aug 17, 2026
Filing date
Aug 19, 2026
View on SEC Insider profile
Estimated value-$1.26MShares × reported price
Shares traded6.11k$206.98 per share
Holdings after386kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

DCO price since this filing

Daily closing prices, with the filing date and available return windows
DCO · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -15.8%1w ago -2.7%1d ago +3.4%
Returns since7d -7.4%30d -15.7%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0001193125-26-357054
Common Stock
Transaction date
Aug 17, 2026
Filed Aug 19, 2026, 08:49 PM · 2d delay
Shares
6,111 sh
$206.98 per share
Estimated value
-$1.26M
Computed from shares × price
Holdings after
386,364 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

-12 points

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.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • tax_withholding-22 points

    transaction_code = F

    Tax withholding on vesting shares is mechanical.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

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
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