$STX

MOSLEY WILLIAM D sold $12.7M of STX

MOSLEY WILLIAM D (CEO) sold 13,780 shares of Seagate Technology Holdings plc (STX) at an average of $924.99 ($916.78–$940.00, $12.75M total) across 20 trades 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 Sep 28, 2026, 3:46 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
Bearish
medium confidence
Mentioned
$STX
Relevance
6/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$STXBearishLow
01

Why it matters

The disclosed sale reduces the CEO's ownership and may be read as a negative signal, but could also be a pre‑planned liquidity event.

02

Market read

Primary insider sale news with modest materiality; likely limited short‑term price effect.

03

What to watch

Potential upcoming earnings or strategic announcements could amplify or offset the sell signal.

Relevance 6/10Novelty 7/10Timing: post‑market filing on 2026‑06‑02

Background

Form 4 filings provide the first public disclosure of insider transactions, offering fresh data for traders.

Company-level read

Ticker impact

$STXBearishMedium confidence
Context

CEO William D. Mosley sold 13,780 shares of Seagate (STX) for $12.7M via a 10b5‑1 plan, reducing his stake to 323,591 shares.

Expected impact

likely downward pressure as the market prices in the insider sell

Evidence & confidence

A $12.7M sale by the CEO is material and may be interpreted as reduced confidence, prompting short‑term sell interest.

Market effects

Minimal impact on the broader data‑storage sector; only a single insider transaction.

U.S. market only; no regional ripple effect.

Low; the event is company‑specific.

Counterpoint

The sale may be a routine 10b5‑1 execution unrelated to company outlook, so price impact could be muted.

Key entities

  • Seagate Technology Holdings plc

    Data storage solutions provider listed on NYSE under ticker STX.

  • William D. Mosley

    CEO of Seagate, reporting a $12.7M share sale.

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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