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SEC EDGARAUG 172 min read$GWRE

Rosenbaum Michael George sold $207K of GWRE

Rosenbaum Michael George (Chief Executive Officer) sold 1,200 shares of Guidewire Software, Inc. (GWRE) at $172.88 ($0.21M total) on 2026-08-17 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Rosenbaum Michael George
Published Aug 17, 2026, 9:22 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 17, 2026, 10:14 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.
About AlphAI AI DeskScoring methodologyReport an issue
AlphAI market briefInsider activity
Primary signal
$GWRE
Neutral
high confidence
Mentioned
$GWRE
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$GWRENeutralLow
01

Why it matters

Traders may monitor insider activity for sentiment, but this specific disclosure is a scheduled 10b5-1 open-market sale without accompanying company news.

02

Market read

A same-day insider sale by the CEO is disclosed, but it is explicitly under a 10b5-1 plan and lacks new fundamental catalysts.

03

What to watch

The filing does not disclose reasons for the sale, and the net holdings after the transaction remain substantial (188,976 shares), reducing interpretive weight.

Relevance 3/10Novelty 3/10Timing: filed 2026-08-17, same day as the reported sale

Background

The article is a primary-source SEC Form 4 insider transaction disclosure for Guidewire Software, Inc.

Company-level read

Ticker impact

$GWRENeutralHigh confidence
Context

Guidewire CEO Michael George Rosenbaum sold 1,200 shares at $172.88 on 2026-08-17 under a pre-arranged 10b5-1 plan.

Expected impact

Low likelihood of a sustained price move solely from this Form 4 sale; any reaction is likely muted.

Evidence & confidence

The filing is an open-market sale by the CEO, explicitly tied to a pre-arranged 10b5-1 plan, and provides no new operational, financial, or regulatory information.

Market effects

Sector

Minimal; insider sales under 10b5-1 typically do not reset sector expectations.

Regional

None indicated.

Global

None indicated.

Counterpoint

What could challenge this read

Because the sale is pre-arranged, it may reflect liquidity planning rather than bearish expectations, so any negative read-through may be overdone.

Key entities

  • issuer
    Guidewire Software, Inc.

    Subject of the Form 4 insider transaction disclosure.

  • insider
    Michael George Rosenbaum

    CEO and director who sold shares under a pre-arranged 10b5-1 plan.

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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