$STX

MOSLEY WILLIAM D sold $213K of STX

MOSLEY WILLIAM D (CEO) sold 240 shares of Seagate Technology Holdings plc (STX) at $887.72 ($0.21M 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.
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 provides a datapoint on insider behavior but does not, by itself, indicate new fundamentals. The 10b5-1 designation generally lowers the probability of a material negative catalyst.

02

Market read

Near-term trading relevance is mainly sentiment/positioning rather than fundamentals, given the scheduled nature of the sale.

03

What to watch

Compare with prior insider activity (frequency/size) and whether other executives or large holders are also selling/buying around the same period.

Relevance 6/10Novelty 6/10Timing: Filed today; reflects sale executed 2026-06-01.

Background

SEC Form 4 insider transaction disclosure for Seagate (STX) showing an open-market sale by the CEO under a pre-arranged 10b5-1 plan.

Company-level read

Ticker impact

$STXNeutralMedium confidence
Context

Seagate CEO William D. Mosley sold $213K of STX shares in an open-market transaction under a pre-arranged 10b5-1 plan.

Expected impact

Low, mostly sentiment-driven; any impact likely fades unless accompanied by other negative news.

Evidence & confidence

The filing is a routine insider transaction and explicitly tied to a pre-arranged 10b5-1 plan, reducing interpretive value versus discretionary sales.

Market effects

Minimal; this is company-specific insider activity without stated operational/financial change.

None indicated.

None indicated.

Counterpoint

Because the sale is under a 10b5-1 plan, it may be mechanically scheduled and not a bearish signal; traders may discount it quickly.

Key entities

  • Seagate Technology Holdings plc

    Subject of the Form 4 insider sale by its CEO.

  • MOSLEY WILLIAM D

    CEO/officer/director who sold 240 shares of STX for ~$213K.

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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