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SEC EDGARAUG 241 min read$WDC

Tregillis Cynthia L sold $417K of WDC

Tregillis Cynthia L (Chief Legal Officer & Corp Sec) sold 919 shares of WESTERN DIGITAL CORP (WDC) at an average of $454.12 ($446.17–$477.27, $0.42M total) across 2 trades over 2026-08-21 to 2026-08-24 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Tregillis Cynthia L
Published Aug 24, 2026, 11:00 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 24, 2026, 11:05 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.
About alphai AI DeskScoring methodologyReport an issue
alphai market briefInsider activity
Primary signal
$WDC
Neutral
medium confidence
Mentioned
$WDC
Relevance
3/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$WDCNeutralLow
01

Why it matters

The transaction is a routine insider sale with modest size; unlikely to trigger significant market moves.

02

Market read

Limited relevance; primarily of interest to investors tracking insider activity.

03

What to watch

Potential upcoming corporate actions or compensation plans not disclosed.

Relevance 3/10Novelty 4/10Timing: filed today

Background

Form 4 filings disclose insider transactions; a 10b5-1 plan indicates prearranged sales.

Company-level read

Ticker impact

$WDCNeutralMedium confidence
Context

Chief Legal Officer sold 919 shares for $417K via a 10b5-1 plan, filing on Aug 24, 2026.

Expected impact

Limited short-term impact; possible slight downward pressure.

Evidence & confidence

C-level insider sale of under $1M is routine; market may view as neutral to mildly negative.

Market effects

Sector

None significant for the broader storage hardware sector.

Regional

No regional effect beyond Western Digital shareholders.

Global

Minimal global relevance.

Counterpoint

What could challenge this read

The sale could be a tax-driven liquidity event rather than a lack of confidence.

Key entities

  • Officer
    Cynthia L. Tregillis

    Chief Legal Officer & Corporate Secretary of Western Digital.

Read at source← All news

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.

WDC insider trading history →

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