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 Desk Scoring methodology Report 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

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.

Market read

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

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

AI estimates · verify against primary disclosures

$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.

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