Notice of Proposed Sale · 144
GUIDEWIRE SOFTWARE, INC.
GWRENYSEEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144
primary_doc.xml
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- GUIDEWIRE SOFTWARE, INC.
- Issuer CIK
- 0001528396
- SEC file number
- 001-35394
- Phone
- (650) 357-9100
- Person for whose account securities are to be sold
- JOHN MULLEN
- Relationships to issuer
- Officer
- Street
- 970 Park Place, Suite 200
- City
- San Mateo
- State / country code
- CA
- Postal code
- 94403
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Common | 16,200 | 2,997,000.00 | 83,256,364 | 08/19/2026 | NYSE | Morgan Stanley Smith Barney LLC Executive Financial Services |
Broker / market maker — proposed row 1, entry 1
- Name
- Morgan Stanley Smith Barney LLC Executive Financial Services
- Street
- 1 New York Plaza
- Street (continued)
- 8th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10004
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Common | 09/15/2025 | Restricted Stock and Performance Shares | Issuer | 16,200 | N | 09/15/2025 | Not Applicable |
Sales reported in the preceding three months
| Seller | Security | Sale date | Amount sold | Gross proceeds |
|---|---|---|---|---|
| JOHN MULLEN | Common | 06/16/2026 | 4,292 | 509,644.96 |
Seller — prior-sale row 1, entry 1
- Name
- JOHN MULLEN
- Street
- 970 Park Place, Suite 200
- City
- San Mateo
- State / country code
- CA
- Postal code
- 94403
Prior-sale reporting
- Nothing to report for the preceding three months
- N
Remarks
The securities to be sold were acquired upon the vesting of Restricted Stock and Performance Shares during the period of 09/15/2025 through 06/15/2026.
Notice signature
- Notice date
- 08/19/2026
- Signed
- /s/ John Patrick Mullen
- Plan adoption dates
- 01/13/2026
Company context
Guidewire is the platform P&C insurers trust to engage, innovate, and grow efficiently. More than 570 insurers in 44 countries, from new ventures to the largest and most complex in the world, rely on Guidewire products. With core systems leveraging data and analytics, digital, and artificial intelligence, Guidewire defines cloud platform excellence for P&C insurers. We are proud of our unparalleled implementation record, with 1,700+ successful projects supported by the industry’s largest R&D team and consulting partner ecosystem. Our marketplace represents the largest partner community in P&C, where customers can access hundreds of applications to accelerate integration, localization, and innovation.