Senior insider sale

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

$3.13M

19.54K shares

What this filing means

ROSENBAUM MICHAEL GEORGE plans to sell 19.54K shares of GUIDEWIRE SOFTWARE, INC. valued at approximately $3.13M. 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: 3/17/2026ACC: 0001784996-26-000025

InsiderROSENBAUM MICHAEL GEORGECIK 1784996

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IssuerGUIDEWIRE SOFTWARE, INC.CIK 1528396

DirectorOfficer· Chief Executive Officer

Since Aug 2019

19.54K

Shares to sell

$3.13M

Approx. market value

4.74K

Acquired (3 months)

Planned

12 completed

Securities Acquired — Last 3 Months1

Sort

Acquired as compensation - Restricted Stock Units

N/A (acquired as compensation)

3/15/2026

4.74K

Total acquired4.74K

Acquisition Date	Type	Amount Acquired	Gift
3/15/2026	Acquired as compensation - Restricted Stock Units N/A (acquired as compensation)	4.74K	—
Total		4.74K

Planned & Completed Dispositions13

Sort

Completed

—Completed

Units to sell

1.20K

Market value

$192.0K

3/16/2026

—Completed

Units to sell

1.20K

Market value

$199.6K

3/9/2026

—Completed

Units to sell

1.20K

Market value

$172.6K

3/2/2026

—Completed

Units to sell

1.20K

Market value

$150.6K

2/23/2026

—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

Planned — Approximate Date

NYSEPlanned

Units to sell

4.74K

Market value

$776.2K

3/17/2026

Total

Units

19.54K

Value

$3.13M

Date	Units to Sell	Approx. Market Value	Exchange	Status
Completed
3/16/2026	1.20K	$192.0K	—	Completed
3/9/2026	1.20K	$199.6K	—	Completed
3/2/2026	1.20K	$172.6K	—	Completed
2/23/2026	1.20K	$150.6K	—	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
Planned — Approximate Date
3/17/2026	4.74K	$776.2K	NYSE	Planned
Total	19.54K	$3.13M