Oswald Stephen G sold $510K of DCO

Oswald Stephen G (Chairman, President & CEO) sold 2,500 shares of DUCOMMUN INC /DE/ (DCO) at $203.95 ($0.51M total) on 2026-08-18.

Original reporting
SEC EDGAR · Oswald Stephen G
Published Aug 19, 2026, 8:49 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 19, 2026, 9:04 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$DCO
Bearish
medium confidence
Mentioned
$DCO
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$DCOBearishLow
01

Why it matters

The CEO's sale may be interpreted as a lack of confidence, but the amount is small relative to holdings.

02

Market read

Insider sale provides a modest data point for traders monitoring Ducommun's stock.

03

What to watch

No disclosed 10b5-1 plan; the sale may be unrelated to company fundamentals.

Relevance 5/10Novelty 4/10Timing: post-market 2026-08-18

Background

Form 4 filings disclose insider transactions; investors monitor them for potential signals.

Company-level read

Ticker impact

$DCOBearishMedium confidence
Context

Chairman and CEO Oswald Stephen G sold 2,500 shares for $509,875, reducing his stake to 383,864 shares.

Expected impact

Possible modest downside pressure in the next trading session.

Evidence & confidence

The sale size is modest ($0.5M) but involves the CEO, which can influence investor perception.

Market effects

Minimal impact on the aerospace & defense sector.

Limited to US investors tracking Ducommun.

Low

Counterpoint

The sale could be routine portfolio rebalancing, not a negative signal.

Key entities

  • Ducommun Inc.

    US-listed aerospace and defense components manufacturer (NYSE: DCO).

  • Oswald Stephen G

    Chairman, President & CEO of Ducommun.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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