Senior insider sale

Chief Executive Officer at GUIDEWIRE SOFTWARE, INC. — senior position signals high conviction

$3.05M

21.43K shares

What this filing means

ROSENBAUM MICHAEL GEORGE plans to sell 21.43K shares of GUIDEWIRE SOFTWARE, INC. valued at approximately $3.05M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

ROSENBAUM MICHAEL GEORGE

Filed: 9/8/2026ACC: 0001950047-26-009169

InsiderROSENBAUM MICHAEL GEORGECIK 1784996

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IssuerGUIDEWIRE SOFTWARE, INC.CIK 1528396

DirectorOfficer· Chief Executive Officer

Since Aug 2019

21.43K

Shares to sell

$3.05M

Approx. market value

1.20K

Acquired (3 months)

Planned

13 completed

Securities Acquired — Last 3 Months1

Sort

Performance Shares

Not Applicable

9/15/2023

1.20K

Total acquired1.20K

Acquisition Date	Type	Amount Acquired	Gift
9/15/2023	Performance Shares Not Applicable	1.20K	—
Total		1.20K

Planned & Completed Dispositions14

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Completed

—Completed

Units to sell

1.20K

Market value

$245.3K

8/31/2026

—Completed

Units to sell

1.20K

Market value

$225.4K

8/24/2026

—Completed

Units to sell

1.20K

Market value

$207.5K

8/17/2026

—Completed

Units to sell

1.20K

Market value

$203.4K

8/10/2026

—Completed

Units to sell

1.20K

Market value

$187.1K

8/3/2026

—Completed

Units to sell

1.20K

Market value

$170.8K

7/27/2026

—Completed

Units to sell

1.20K

Market value

$176.9K

7/20/2026

—Completed

Units to sell

1.20K

Market value

$166.2K

7/13/2026

—Completed

Units to sell

1.20K

Market value

$158.0K

7/6/2026

—Completed

Units to sell

1.20K

Market value

$149.1K

6/29/2026

—Completed

Units to sell

1.20K

Market value

$126.8K

6/22/2026

—Completed

Units to sell

5.83K

Market value

$692.3K

6/16/2026

—Completed

Units to sell

1.20K

Market value

$148.6K

6/15/2026

Planned — Approximate Date

NYSEPlanned

Units to sell

1.20K

Market value

$192.6K

9/8/2026

Total

Units

21.43K

Value

$3.05M

Date	Units to Sell	Approx. Market Value	Exchange	Status
Completed
8/31/2026	1.20K	$245.3K	—	Completed
8/24/2026	1.20K	$225.4K	—	Completed
8/17/2026	1.20K	$207.5K	—	Completed
8/10/2026	1.20K	$203.4K	—	Completed
8/3/2026	1.20K	$187.1K	—	Completed
7/27/2026	1.20K	$170.8K	—	Completed
7/20/2026	1.20K	$176.9K	—	Completed
7/13/2026	1.20K	$166.2K	—	Completed
7/6/2026	1.20K	$158.0K	—	Completed
6/29/2026	1.20K	$149.1K	—	Completed
6/22/2026	1.20K	$126.8K	—	Completed
6/16/2026	5.83K	$692.3K	—	Completed
6/15/2026	1.20K	$148.6K	—	Completed
Planned — Approximate Date
9/8/2026	1.20K	$192.6K	NYSE	Planned
Total	21.43K	$3.05M