$STX

MOSLEY WILLIAM D sold $2.3M of STX

MOSLEY WILLIAM D (CEO) sold 2,855 shares of Seagate Technology Holdings plc (STX) at an average of $821.74 ($821.74–$821.75, $2.35M total) across 2 trades on 2026-06-10.

Original reporting
SEC EDGAR · MOSLEY WILLIAM D
Published Jun 11, 2026, 8:29 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jun 11, 2026, 8:39 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 only new fact is the CEO’s open-market sale size, price range, and post-transaction holdings; it does not include any operational or financial updates.

02

Market read

Traders may monitor for follow-on insider activity, but the filing alone is unlikely to drive a sustained repricing without accompanying company fundamentals.

03

What to watch

Insider sales can be driven by diversification, tax planning, or pre-existing personal liquidity needs; without additional filings or patterns, the signal may be overstated.

Relevance 6/10Novelty 6/10Timing: Filed June 11; sale executed June 10.

Background

The article is an SEC Form 4 insider transaction disclosure for Seagate Technology Holdings plc.

Company-level read

Ticker impact

$STXNeutralMedium confidence
Context

Seagate CEO William D. Mosley sold $2.35M of STX shares in an open-market transaction disclosed via SEC Form 4 on June 10.

Expected impact

Likely limited near-term impact; any reaction should be small and fade unless follow-on selling or other fundamentals emerge.

Evidence & confidence

The filing is a primary-source insider transaction, but it provides no new business/financial information and the article lacks context on motives beyond the sale details.

Market effects

Minimal—single-company insider sale does not reset sector fundamentals.

Minimal—no regional macro or cross-border transaction details.

Minimal—no global supply chain, litigation, or deal implications described.

Counterpoint

Because the CEO sold without a disclosed pre-arranged 10b5-1 plan, some traders may interpret it as a stronger negative signal than typical routine sales.

Key entities

  • Seagate Technology Holdings plc

    Subject of the SEC Form 4 insider sale by its CEO.

  • MOSLEY WILLIAM D

    CEO and officer/director who sold STX shares.

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.

Related articles

$STXMed

Seagate Stock Drop: Falls 8% to $641.81 [2026]

Seagate Technology (STX) fell 8.4% to $641.81 on October 30, 2026, following a broader tech sector decline. The drop occurred despite a record quarter and higher guidance. The stock's beta of 2.06 amplified its decline. Analysts cut price targets but maintain a 'Moderate Buy' consensus. Seagate's market cap is $146.57 billion, with a P/E ratio of 33.85.

$STXMed

Seagate Stock Falls 8% as Tech Retreat Hits Storage [2026]

Seagate Technology (STX) fell 8% on October 30, 2026, to $641.81, amid a broader tech sector sell-off. The decline followed record earnings and guidance, but was driven by market-wide AI spending concerns. Seagate's market cap is $146.57 billion, with heavy trading volume suggesting institutional selling. Peer storage companies also declined.

$SNDKHighAI 9/10

Sandisk Sinks 9% Despite Earnings Beat, Raised Guidance and 8-for-1 Split; Western Digital Tumbles 8%, Seagate Slides 7%, Micron Falls 6%

Sandisk (SNDK) shares fell 9% despite beating earnings estimates and raising guidance. Q1 FY2027 revenue was $11.03B, with adjusted EPS of $49.51. The company guided Q2 FY2027 adjusted EPS to $55-$57 and revenue to $12.2B-$12.6B. Western Digital (WDC), Seagate (STX), and Micron (MU) also declined. Sandisk announced an 8-for-1 stock split and a $5B share buyback.