$WDC

Tan Irving sold $8.9M of WDC

Tan Irving (Chief Executive Officer) sold 20,000 shares of WESTERN DIGITAL CORP (WDC) at an average of $444.97 ($441.48–$447.18, $8.90M total) across 7 trades on 2026-08-11 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Tan Irving
Published Aug 13, 2026, 1:24 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 13, 2026, 1:32 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.
AlphAI market briefInsider activity
Primary signal
$WDC
Neutral
high 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 specific open-market sale size, trade dates, and the confirmation that it was executed under a pre-arranged 10b5-1 plan.

02

Market read

This provides fresh, company-specific insider-selling information, but it does not include any new operating or financial catalyst.

03

What to watch

Traders may want to compare this sale to prior 10b5-1 schedules and total insider activity to avoid over-weighting a single transaction.

Relevance 5/10Novelty 5/10Timing: filed 2026-08-12 for an 2026-08-11 sale

Background

The article is a SEC Form 4 insider transaction disclosure for Western Digital, reported by CEO Tan Irving.

Company-level read

Ticker impact

$WDCNeutralHigh confidence
Context

Western Digital CEO Tan Irving sold about $8.9M of WDC shares via an open-market sale under a pre-arranged 10b5-1 plan.

Expected impact

Likely limited, with any impact more sentiment-driven than fundamental.

Evidence & confidence

The filing is a Form 4 insider transaction with no accompanying guidance, deal, or operational change; size is notable but still consistent with routine 10b5-1 selling.

Market effects

Minimal, since the disclosure does not change HDD/flash demand or competitive dynamics.

None indicated.

None indicated.

Counterpoint

A large CEO 10b5-1 sale can be interpreted as risk management rather than bearish conviction, so price reaction may be muted.

Key entities

  • Western Digital Corp

    Subject of the Form 4 insider sale disclosure.

  • Tan Irving

    CEO and reporting officer/director who sold shares.

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.

Related articles

$SKHYMed

SK Hynix Sinks 5% as China’s CXMT Aims at Server Memory; Western Digital Drops 4%, Micron Falls 3%

SK Hynix (SKHY) fell 5% to $148.70 as China's CXMT targets server memory, affecting U.S.-listed memory/storage firms. Western Digital (WDC) dropped 4% to $364.04, Micron (MU) fell 3% to $925.45. CXMT's progress threatens premium pricing in the server memory market, impacting SK Hynix's 22% drop over a month. Micron's Q4 2026 revenue was $54.23B, up 379.3% YoY, with a 87% gross margin. Western Digital's Q4 2026 revenue was $3.75B, up 43.8% YoY, with a 54.4% gross margin.

$SKHYMed

SK Hynix Sinks 6% as Seoul Selloff Extends to Fifth Session; Western Digital and Seagate Drop 7%

SK Hynix (SKHY) shares fell 6% to $153.04, extending a Seoul selloff. Western Digital (WDC) and Seagate (STX) dropped 7% each. The declines followed news from privately held Chinese memory maker ChangXin Memory Technologies (CXMT) about advancements in memory-cell design, triggering a global chip sector selloff. Investors are watching for CXMT's planned server memory product launch by year-end.

$MUHigh

Global chip stocks fall after China's CXMT memory chip claims

Global chip stocks fell Tuesday after China's ChangXin Memory Technologies announced progress in memory chip architecture, raising competition concerns. SK Hynix and Samsung shares dropped over 7% in Seoul, while Micron and other U.S. chip stocks declined 3%. CXMT aims to launch a new server memory product by 2026, though analysts note its market share remains small.