COX MATTHEW J sold $2.2M of MATX

COX MATTHEW J (Chairman & CEO) sold 10,000 shares of Matson, Inc. (MATX) at an average of $223.54 ($223.22–$225.05, $2.24M total) across 3 trades on 2026-08-28 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · COX MATTHEW J
Published Aug 29, 2026, 12:38 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 29, 2026, 1:05 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
$MATX
Bearish
medium confidence
Mentioned
$MATX
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$MATXBearishLow
01

Why it matters

The disclosed sale reduces insider ownership but is pre‑arranged, limiting its informational value.

02

Market read

A routine insider sale with modest size; likely limited short‑term price effect.

03

What to watch

Potential upcoming contract announcements or earnings that could offset the negative signal from the insider sale.

Relevance 5/10Novelty 6/10Timing: filing today

Background

Matson, Inc. (MATX) is a publicly traded shipping and logistics company. Insider transactions are disclosed via Form 4 filings.

Company-level read

Ticker impact

$MATXBearishMedium confidence
Context

Chairman & CEO Matthew Cox sold 10,000 shares for $2.23M via a 10b5‑1 plan, reducing his stake to 229,296 shares.

Expected impact

Modest downside pressure over the next few days.

Evidence & confidence

The sale size ($2.2M) is material for a mid‑cap but not large enough to trigger a sharp move; the 10b5‑1 plan suggests pre‑planned execution rather than a reaction to new information.

Market effects

Minimal impact on the shipping/logistics sector; insider activity is routine.

No significant regional effect.

Limited to investors tracking Matson and related logistics stocks.

Counterpoint

The sale could be purely mechanical under the 10b5‑1 plan, so the stock may remain unaffected.

Key entities

  • Matthew Cox

    Chairman & CEO of Matson, Inc.

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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