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SEC EDGARMAY 271 min read$GWRE

Rosenbaum Michael George sold $166K of GWRE

Rosenbaum Michael George (Chief Executive Officer) sold 1,200 shares of Guidewire Software, Inc. (GWRE) at $138.51 ($0.17M total) on 2026-05-26 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Rosenbaum Michael George
Published May 27, 2026, 12:17 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI May 27, 2026, 12:31 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.
About AlphAI AI DeskScoring methodologyReport an issue
AlphAI market briefInsider activity
Primary signal
$GWRE
Neutral
medium confidence
Mentioned
$GWRE
Relevance
6/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$GWRENeutralLow
01

Why it matters

The market may briefly react to insider selling headlines, but the 10b5-1 designation generally lowers the probability that the sale reflects new negative information.

02

Market read

A routine 10b5-1 insider sale disclosure for GWRE; likely low incremental information content for trading beyond short-term sentiment.

03

What to watch

The brief doesn’t state whether other insiders or institutions are buying/selling concurrently, nor does it provide context on total insider ownership changes beyond the post-sale share count.

Relevance 6/10Timing: Immediate awareness for positioning around insider-flow headlines; not a standalone catalyst.

Background

This is an SEC Form 4 insider transaction disclosure for Guidewire Software, filed for an officer/director sale executed under a pre-arranged 10b5-1 plan.

Company-level read

Ticker impact

$GWRENeutralMedium confidence
Context

Guidewire CEO Michael George Rosenbaum sold 1,200 shares in an open-market transaction for about $166.2K under a pre-arranged 10b5-1 plan.

Expected impact

Likely limited near-term impact; any move would be more sentiment-driven than fundamentals-driven.

Evidence & confidence

The filing specifies an open-market sale and a pre-arranged 10b5-1 plan, which reduces signaling value, and the article provides no accompanying company-specific operational or financial catalyst.

Market effects

Sector

Minimal—this is company-specific insider activity with no sector-wide policy or competitive signal provided.

Regional

None indicated; transaction is a routine SEC disclosure.

Global

None indicated; no international deal/regulatory development mentioned.

Counterpoint

What could challenge this read

Because the sale is explicitly under a 10b5-1 plan, it may reflect routine liquidity/compensation rather than reduced confidence, limiting downside follow-through.

Key entities

  • issuer
    Guidewire Software, Inc.

    Subject of the Form 4 insider sale by its CEO under a pre-arranged 10b5-1 plan.

  • insider
    Michael George Rosenbaum

    CEO and director who sold 1,200 shares at $138.51/share.

Read at source← All news

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.

GWRE insider trading history →

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