$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.
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

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

None indicated; transaction is a routine SEC disclosure.

None indicated; no international deal/regulatory development mentioned.

Counterpoint

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

  • Guidewire Software, Inc.

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

  • Michael George Rosenbaum

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

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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