$WDC

Cole Martin I sold $89K of WDC

Cole Martin I sold 192 shares of WESTERN DIGITAL CORP (WDC) at an average of $462.77 ($462.30–$465.12) across 2 trades on 2026-07-28 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Cole Martin I
Published Jul 29, 2026, 11:32 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jul 29, 2026, 11:35 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
high confidence
Mentioned
$WDC
Relevance
2/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$WDCNeutralLow
01

Why it matters

The only new information is the specific sale size, dates, and average price under a 10b5-1 plan; it does not introduce new guidance, deals, or regulatory developments.

02

Market read

Traders may note insider selling, but the 10b5-1 framing reduces interpretive weight.

03

What to watch

The article does not disclose whether additional sales or purchases occurred around the same period, nor does it quantify total insider ownership changes beyond the post-transaction share count.

Relevance 2/10Novelty 3/10Timing: Filed 2026-07-29 after the 2026-07-28 sale.

Background

The article is a SEC Form 4 insider transaction disclosure for Western Digital, reported by director Cole Martin.

Company-level read

Ticker impact

$WDCNeutralHigh confidence
Context

Cole Martin, a Western Digital director, sold 192 shares on 2026-07-28 under a pre-arranged 10b5-1 plan at about $462.77 avg.

Expected impact

Limited near-term impact; any effect is likely short-lived and outweighed by broader fundamentals.

Evidence & confidence

The filing is a Form 4 insider transaction with a stated pre-arranged 10b5-1 plan, and it provides no new company-specific information beyond the sale details.

Market effects

No direct sector signal; this is an isolated insider sale disclosure.

None indicated.

None indicated.

Counterpoint

Because the sale was executed under a pre-arranged 10b5-1 plan, it may reflect scheduled liquidity rather than bearish expectations.

Key entities

  • Western Digital Corp

    Subject of the Form 4 insider transaction disclosure.

  • Cole Martin I

    Director who executed an open-market sale under a pre-arranged 10b5-1 plan.

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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