$GWRE

Rosenbaum Michael George sold $171K of GWRE

Rosenbaum Michael George (Chief Executive Officer) sold 1,200 shares of Guidewire Software, Inc. (GWRE) at $142.65 ($0.17M total) on 2026-09-28 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Rosenbaum Michael George
Published Sep 30, 2026, 8:47 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 30, 2026, 8:50 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
$GWRE
Neutral
medium confidence
Mentioned
$GWRE
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$GWRENeutralLow
01

Why it matters

The disclosed sale is modest in size and likely to have limited price impact.

02

Market read

A small insider sale reported via a Form 4, offering limited trading relevance.

03

What to watch

Potential tax planning or diversification motives behind the 10b5‑1 sale.

Relevance 3/10Novelty 3/10Timing: post‑market filing today

Background

Form 4 filings disclose insider transactions and are primary sources for such events.

Company-level read

Ticker impact

$GWRENeutralMedium confidence
Context

CEO Michael George Rosenbaum sold 1,200 shares for $171,180 via a 10b5-1 plan, reducing his stake to 278,466 shares.

Expected impact

likely slight downward pressure as market prices in the insider sale

Evidence & confidence

The sale is relatively small for a mid‑cap and executed under a pre‑arranged plan, limiting immediate impact.

Market effects

Minimal effect on the software sector.

None

None

Counterpoint

The sale could be viewed as a routine liquidity event with no material insight into company fundamentals.

Key entities

  • Guidewire Software, Inc.

    Provider of core system software for the insurance industry.

  • Michael George Rosenbaum

    Chief Executive Officer of Guidewire Software.

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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