$STX

MOSLEY WILLIAM D sold $14.6M of STX

MOSLEY WILLIAM D (CEO) sold 16,220 shares of Seagate Technology Holdings plc (STX) at an average of $900.21 ($884.62–$915.52, $14.60M total) across 29 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 disclosure provides fresh data for traders assessing insider sentiment and potential short‑term price moves.

02

Market read

Insider sell‑off by the CEO is a material event that may influence short‑term trading decisions on STX.

03

What to watch

The 10b5‑1 plan may have been set months ago; the timing may not reflect current sentiment.

Relevance 6/10Novelty 7/10Timing: today

Background

Form 4 filings disclose insider transactions; this is the first public report of Mosley's recent sale.

Company-level read

Ticker impact

$STXBearishMedium confidence
Context

CEO William D. Mosley sold 16,220 shares for $14.6 M via a 10b5‑1 plan on 2026‑06‑01, reducing his stake to 337,371 shares.

Expected impact

likely downward pressure as the market prices the CEO's sell-off

Evidence & confidence

A $14.6 M sale by the chief executive signals potential concerns and adds supply, which can weigh on the stock.

Market effects

Minimal impact on the broader data‑storage sector; insider sales are company‑specific.

No significant regional effect; the filing is U.S.‑focused.

Limited global relevance beyond investors tracking Seagate.

Counterpoint

The sale could be routine under a pre‑arranged plan and not indicative of future performance.

Key entities

  • Seagate Technology Holdings plc

    Data‑storage hardware manufacturer listed on NYSE (STX).

  • William D. Mosley

    Chief Executive Officer of Seagate.

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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