Senior insider sale

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

$4.12M

22.82K shares

What this filing means

ROSENBAUM MICHAEL GEORGE plans to sell 22.82K shares of GUIDEWIRE SOFTWARE, INC. valued at approximately $4.12M. 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: 2/23/2026ACC: 0001950047-26-001649

InsiderROSENBAUM MICHAEL GEORGECIK 1784996

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IssuerGUIDEWIRE SOFTWARE, INC.CIK 1528396

DirectorOfficer· Chief Executive Officer

Since Aug 2019

22.82K

Shares to sell

$4.12M

Approx. market value

1.20K

Acquired (3 months)

Planned

13 completed

Securities Acquired — Last 3 Months1

Sort

Restricted Stock

Not Applicable

9/15/2022

1.20K

Total acquired1.20K

Acquisition Date	Type	Amount Acquired	Gift
9/15/2022	Restricted Stock Not Applicable	1.20K	—
Total		1.20K

Planned & Completed Dispositions14

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Completed

—Completed

Units to sell

1.20K

Market value

$152.4K

2/17/2026

—Completed

Units to sell

1.20K

Market value

$153.3K

2/9/2026

—Completed

Units to sell

1.20K

Market value

$168.0K

2/2/2026

—Completed

Units to sell

1.20K

Market value

$192.4K

1/26/2026

—Completed

Units to sell

1.20K

Market value

$187.5K

1/20/2026

—Completed

Units to sell

1.20K

Market value

$217.0K

1/13/2026

—Completed

Units to sell

1.40K

Market value

$286.9K

12/29/2025

—Completed

Units to sell

1.40K

Market value

$281.0K

12/22/2025

—Completed

Units to sell

6.01K

Market value

$1.16M

12/16/2025

—Completed

Units to sell

1.40K

Market value

$286.1K

12/15/2025

—Completed

Units to sell

1.40K

Market value

$295.2K

12/8/2025

—Completed

Units to sell

1.40K

Market value

$298.8K

12/1/2025

—Completed

Units to sell

1.40K

Market value

$298.5K

11/24/2025

Planned — Approximate Date

NYSEPlanned

Units to sell

1.20K

Market value

$150.6K

2/23/2026

Total

Units

22.82K

Value

$4.12M

Date	Units to Sell	Approx. Market Value	Exchange	Status
Completed
2/17/2026	1.20K	$152.4K	—	Completed
2/9/2026	1.20K	$153.3K	—	Completed
2/2/2026	1.20K	$168.0K	—	Completed
1/26/2026	1.20K	$192.4K	—	Completed
1/20/2026	1.20K	$187.5K	—	Completed
1/13/2026	1.20K	$217.0K	—	Completed
12/29/2025	1.40K	$286.9K	—	Completed
12/22/2025	1.40K	$281.0K	—	Completed
12/16/2025	6.01K	$1.16M	—	Completed
12/15/2025	1.40K	$286.1K	—	Completed
12/8/2025	1.40K	$295.2K	—	Completed
12/1/2025	1.40K	$298.8K	—	Completed
11/24/2025	1.40K	$298.5K	—	Completed
Planned — Approximate Date
2/23/2026	1.20K	$150.6K	NYSE	Planned
Total	22.82K	$4.12M