Michael George Rosenbaum - 15 Sep 2026 Form 4 Insider Report for Guidewire Software, Inc. (GWRE)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: GWRE
Reported as of: 15 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 15 Sep 2026, 18:02:16 UTC
Prior SEC filing: 14 Sep 2026
Next SEC filing: 21 Sep 2026
Source filing: View source filing
Reporting owner signature: By: Winston King, Attorney-in-Fact for Michael George Rosenbaum

Key filing fact

Michael George Rosenbaum filed Form 4 for Guidewire Software, Inc. (GWRE) on 15 Sep 2026.

Key facts

This page summarizes Michael George Rosenbaum's Form 4 filing for Guidewire Software, Inc. (GWRE).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 15 Sep 2026, 18:02.

Change

Previous filing in this sequence was filed on 14 Sep 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001784996 Primary reporting owner

Rosenbaum Michael George

Relationship: Chief Executive Officer, Director
Address: C/O GUIDEWIRE SOFTWARE, INC., 970 PARK PL, SUITE 200, SAN MATEO
Signature: By: Winston King, Attorney-in-Fact for Michael George Rosenbaum
Signature date: 15 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GWRE transaction

Common Stock

Options Exercise

Transaction value
Shares: +123,074
Change %: +53%
Price: $0.000000^*
Shares after: 353,156
Date: 15 Sep 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GWRE transaction Derivative

Performance Shares

Options Exercise

Transaction value
Shares: -123,074
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 15 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 123,074
Exercise price: $0.000000
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

These Performance Shares cliff vested at the end of the three-year performance period based on the average performance of the three one-year performance periods. On September 9, 2026, the Compensation Committee determined that 236% of the performance conditions were met, resulting in an increase of 70,924 PSUs earned by the Reporting Person. On September 15, 2026, the time-based vesting was met.