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SEC EDGARSEP 91 min read$WDC

Tregillis Cynthia L sold $195K of WDC

Tregillis Cynthia L (Chief Legal Officer & Corp Sec) sold 432 shares of WESTERN DIGITAL CORP (WDC) at $451.20 ($0.19M total) on 2026-09-04 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Tregillis Cynthia L
Published Sep 9, 2026, 12:13 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 9, 2026, 12:34 AM 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
high 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 disclosed sale is small relative to total holdings and unlikely to affect stock price.

02

Market read

Routine insider sale with minimal market relevance.

03

What to watch

Potential tax planning or diversification motives.

Relevance 3/10Novelty 3/10Timing: sale dated 2026-09-04

Background

SEC Form 4 filing discloses insider transactions for public companies.

Company-level read

Ticker impact

$WDCNeutralHigh confidence
Context

Chief Legal Officer sold 432 shares for $194,918 via a 10b5-1 plan.

Expected impact

No material price movement expected.

Evidence & confidence

The sale represents less than 0.2% of holdings and is a routine pre‑arranged transaction.

Market effects

Sector

No broader sector impact; insider sale is company‑specific.

Regional

None.

Global

None.

Counterpoint

What could challenge this read

The sale could be a routine liquidity move, not a bearish signal.

Key entities

  • Insider
    Cynthia L. Tregillis

    Chief Legal Officer & Corporate Secretary of Western Digital.

  • Company
    Western Digital Corp

    Manufacturer of data storage solutions.

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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