Sullivan John Warren sold $400K of MATX

Sullivan John Warren (Senior Vice President) sold 1,917 shares of Matson, Inc. (MATX) at $208.49 ($0.40M total) on 2026-08-11.

Original reporting
SEC EDGAR · Sullivan John Warren
Published Aug 12, 2026, 8:58 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 12, 2026, 11:02 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
$MATX
Neutral
medium confidence
Mentioned
$MATX
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$MATXNeutralLow
01

Why it matters

The newest disclosed fact is the open-market sale size, price, and post-transaction holdings; it may influence sentiment but lacks fundamental drivers.

02

Market read

Traders may monitor MATX for follow-on insider activity, but this single sale is unlikely to change valuation absent other catalysts.

03

What to watch

The article does not state whether the insider’s remaining holdings are large relative to prior grants, nor whether there were offsetting buys by other insiders.

Relevance 4/10Novelty 3/10Timing: filed 2026-08-12, sale executed 2026-08-11

Background

This is an SEC Form 4 insider transaction disclosure for Matson, Inc. (MATX).

Company-level read

Ticker impact

$MATXNeutralMedium confidence
Context

Matson, Inc. insider Sullivan John Warren sold 1,917 shares on 2026-08-11 at $208.49, totaling about $399.7K, per Form 4.

Expected impact

Likely limited, short-lived sentiment impact; no clear directional signal from a single moderate sale.

Evidence & confidence

The filing is a primary-source Form 4, but the transaction is an insider sale (not a buy), and the article provides no accompanying guidance, contract, or operational change.

Market effects

Minimal sector read-through; insider sales are company-specific and not a sector-wide signal here.

None indicated.

None indicated.

Counterpoint

The absence of a 10b5-1 plan does not necessarily imply negative information; sales can be driven by diversification, taxes, or pre-existing personal liquidity needs.

Key entities

  • Matson, Inc.

    Subject of the Form 4 insider sale disclosure.

  • Sullivan John Warren

    Senior Vice President who sold 1,917 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.

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