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SEC EDGARJUN 22 min read$STX

MOSLEY WILLIAM D sold $333K of STX

MOSLEY WILLIAM D (CEO) sold 360 shares of Seagate Technology Holdings plc (STX) at $924.88 ($0.33M total) on 2026-06-01 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · MOSLEY WILLIAM D
Published Jun 2, 2026, 9:16 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Jun 2, 2026, 9:19 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
$STX
Neutral
medium confidence
Mentioned
$STX
Relevance
6/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$STXNeutralLow
01

Why it matters

The disclosure updates the insider trading tape but does not, by itself, indicate a new operational or financial development.

02

Market read

Traders may monitor for clustering of insider sales, but this specific filing is unlikely to drive a durable repricing.

03

What to watch

Size is modest (360 shares) relative to typical large-cap float; without follow-on buys/sells, signal-to-noise is low.

Relevance 6/10Novelty 3/10Timing: Filed after-hours/late day (2026-06-02) for a sale executed 2026-06-01

Background

SEC Form 4 reports insider transactions; 10b5-1 plans are pre-set trading schedules intended to reduce timing-based inference.

Company-level read

Ticker impact

$STXNeutralMedium confidence
Context

Seagate CEO William D. Mosley sold $332,958 of STX shares in an open-market transaction under a pre-arranged 10b5-1 plan.

Expected impact

Limited near-term impact; any reaction likely fades unless accompanied by additional insider activity or fundamental news.

Evidence & confidence

The filing is a routine insider transaction with explicit 10b5-1 pre-arrangement, reducing the likelihood of new information about near-term prospects.

Market effects

Sector

Minimal; this is company-specific insider activity without sector-wide catalyst.

Regional

None indicated.

Global

None indicated.

Counterpoint

What could challenge this read

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

Key entities

  • issuer
    Seagate Technology Holdings plc

    Subject of the Form 4 insider sale by CEO William D. Mosley.

  • insider
    William D. Mosley

    CEO and officer/director who sold 360 STX shares on 2026-06-01 under a 10b5-1 plan.

Read at source← All news

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