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SEC EDGARJUN 22 min read$STX

MOSLEY WILLIAM D sold $678K of STX

MOSLEY WILLIAM D (CEO) sold 760 shares of Seagate Technology Holdings plc (STX) at $892.06 ($0.68M 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

This provides a fresh datapoint on insider behavior but does not, by itself, change Seagate’s operating outlook.

02

Market read

Traders may monitor for additional insider transactions or changes in selling/buying patterns, but the planned nature limits immediate fundamental implications.

03

What to watch

The absolute size ($678K) and the fact it’s a planned 10b5-1 sale may make the signal weaker than typical discretionary insider selling.

Relevance 6/10Novelty 6/10Timing: Filed June 2; sale executed June 1 (after-hours disclosure window).

Background

SEC Form 4 insider transaction disclosure: CEO/director sells shares; 10b5-1 indicates pre-arranged trading authority.

Company-level read

Ticker impact

$STXNeutralMedium confidence
Context

Seagate CEO William D. Mosley sold 760 shares in an open-market transaction under a pre-arranged 10b5-1 plan, disclosed via Form 4.

Expected impact

Likely limited near-term impact; any effect is more about sentiment than fundamentals.

Evidence & confidence

The filing provides a specific sale price/value and confirms it was executed under a pre-arranged 10b5-1 plan, which typically dampens interpretive value.

Market effects

Sector

Minimal; this is company-specific insider activity without evidence of sector-wide read-through.

Regional

None indicated.

Global

None indicated.

Counterpoint

What could challenge this read

Even 10b5-1 sales can coincide with executives de-risking ahead of known but undisclosed events; traders may still watch for follow-on filings.

Key entities

  • issuer
    Seagate Technology Holdings plc

    Subject of the Form 4 insider transaction disclosure.

  • insider
    MOSLEY WILLIAM D

    CEO/officer/director who sold shares under a 10b5-1 plan.

Read at source← All news

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