$STX

MOSLEY WILLIAM D sold $8.6M of STX

MOSLEY WILLIAM D (CEO) sold 9,343 shares of Seagate Technology Holdings plc (STX) at an average of $924.42 ($919.64–$936.36, $8.64M total) across 15 trades on 2026-07-01 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · MOSLEY WILLIAM D
Published Jul 2, 2026, 4:00 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 6, 2026, 7:25 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
$STX
Neutral
high confidence
Mentioned
$STX
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$STXNeutralLow
01

Why it matters

The disclosed event is an open-market sale by the CEO, pre-arranged under Rule 10b5-1, totaling about $8.64M across 15 trades.

02

Market read

Traders may monitor insider activity for sentiment, but this specific filing does not introduce new company fundamentals or a discrete catalyst.

03

What to watch

Because the trades are under a 10b5-1 plan, the sale timing is mechanically scheduled and may not reflect new negative information; also, the filing does not state whether other insiders are buying or selling concurrently.

Relevance 5/10Novelty 3/10Timing: filed 2026-07-02 for trades dated 2026-07-01

Background

The article is a SEC Form 4 insider transaction disclosure for Seagate Technology Holdings plc (STX).

Company-level read

Ticker impact

$STXNeutralHigh confidence
Context

Seagate CEO William D. Mosley sold about 9,343 shares in open-market trades for roughly $8.64M under a 10b5-1 plan.

Expected impact

Near-term impact likely limited; any effect would be incremental sentiment around insider selling rather than a new catalyst.

Evidence & confidence

The filing is a Form 4 open-market sale executed under a pre-arranged Rule 10b5-1 plan, with no accompanying guidance, deal, or regulatory action disclosed in the text.

Market effects

Limited read-through to the storage/tech hardware sector because the disclosure is an individual insider transaction, not a company event.

None indicated.

None indicated.

Counterpoint

Insider sales can still signal valuation or liquidity needs, and traders may front-run additional selling if multiple executives file similar Form 4s soon.

Key entities

  • Seagate Technology Holdings plc

    Subject of the Form 4 insider transaction disclosure.

  • MOSLEY WILLIAM D

    CEO and reporting person who sold shares under a 10b5-1 plan.

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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