$WDC

Cole Martin I sold $1.7M of WDC

Cole Martin I sold 3,280 shares of WESTERN DIGITAL CORP (WDC) at an average of $511.16 ($484.28–$527.22, $1.68M total) across 30 trades on 2026-06-09 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Cole Martin I
Published Jun 11, 2026, 9:47 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jun 11, 2026, 9:51 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
$WDC
Neutral
medium confidence
Mentioned
$WDC
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$WDCNeutralLow
01

Why it matters

The newest fact is the disclosed sale size, execution window (June 9), and confirmation that it was conducted under a pre-arranged 10b5-1 plan.

02

Market read

Provides a fresh, primary-source datapoint on insider selling activity in WDC, but with reduced interpretive weight due to 10b5-1.

03

What to watch

Traders may want to compare this sale to prior insider patterns (frequency/size) and check whether other directors/officers filed contemporaneous buys or sales.

Relevance 5/10Novelty 5/10Timing: Filed June 11, covering sales executed June 9

Background

The article is an SEC Form 4 insider transaction report for a director of Western Digital.

Company-level read

Ticker impact

$WDCNeutralMedium confidence
Context

Director Cole Martin I sold $1.68M of Western Digital shares via an open-market transaction under a pre-arranged 10b5-1 plan.

Expected impact

Near-term price reaction, if any, is likely limited; watch for follow-on insider activity or concurrent company-specific catalysts.

Evidence & confidence

The filing is a routine director sale and explicitly states a pre-arranged 10b5-1 plan, which typically reduces interpretive weight versus discretionary selling.

Market effects

No direct sector read-across; this is company-specific insider transaction disclosure.

None indicated.

None indicated.

Counterpoint

10b5-1 sales can be purely mechanical; the disclosure may not reflect negative views and could be offset by other insider buys not shown here.

Key entities

  • WESTERN DIGITAL CORP

    Subject of the Form 4 insider sale disclosure.

  • Cole Martin I

    Director who sold 3,280 shares (weighted avg ~$511.16) for ~$1.68M.

  • 10b5-1 plan

    Pre-arranged plan cited as Yes, suggesting scheduled selling rather than discretionary timing.

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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