As of May 23, 2026, Guidewire Software's top three insider holders are Michael George Rosenbaum (Chief Executive Officer, 215.21K shares), John P Mullen (President, 135.41K shares), Jeffrey Elliott Cooper (Chief Financial Officer, 66.06K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Michael C Keller | - | 10,606 | 0 | 16 Dec, 2025 |
| Catherine P Lego | - | 14,393 | 0 | 16 Dec, 2025 |
| Mark V Anquillare | - | 2,716 | 0 | 16 Dec, 2025 |
| Jeffrey Steven Sloan | - | 2,371 | 0 | 16 Dec, 2025 |
| David Franklin Peterson | Chief Accounting Officer | 12,533 | 0 | 18 Mar, 2026 |
| Marcus Ryu | Ceo And President | 10,555 | 0 | 19 Dec, 2023 |
| Priscilla Hung | President Coo | 38,131 | 0 | 20 Dec, 2023 |
| James Winston King | Chief Admin Officer, Gen Couns | 32,701 | 0 | 18 Mar, 2026 |
| Andrew William Fraser Brown | - | 2,524 | 0 | 23 Jun, 2022 |
| Paul Lavin | - | 1,211 | 12,585 | 23 Dec, 2024 |
| Michael Polelle | Chief Delivery Officer | 7,241 | 0 | 18 Mar, 2022 |
| Michael George Rosenbaum | Chief Executive Officer | 215,206 | 0 | 20 Apr, 2026 |
| Margaret Dillon | - | 16,393 | 0 | 16 Dec, 2025 |
| Jeffrey Elliott Cooper | Chief Financial Officer | 66,061 | 0 | 18 Mar, 2026 |
| Frank E Jr Odowd | Chief Sales Officer | 28,275 | 0 | 21 Sep, 2021 |
| Rajani Ramanathan | - | 11,057 | 0 | 16 Dec, 2025 |
| John P Mullen | President | 135,407 | 0 | 18 Mar, 2026 |
| David S Bauer | - | 7,099 | 0 | 16 Dec, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 20 Apr, 2026 | Michael George Rosenbaum | Common Stock | D | 1,200 | $139.75 | 215,206 | D | S |
| 13 Apr, 2026 | Michael George Rosenbaum | Common Stock | D | 1,200 | $118.77 | 216,406 | D | S |
| 06 Apr, 2026 | Michael George Rosenbaum | Common Stock | D | 1,200 | $151.14 | 217,606 | D | S |
| 30 Mar, 2026 | Michael George Rosenbaum | Common Stock | D | 1,200 | $145.74 | 218,806 | D | S |
| 23 Mar, 2026 | Michael George Rosenbaum | Common Stock | D | 1,200 | $155.56 | 220,006 | D | S |
| 17 Mar, 2026 | David Franklin Peterson | Common Stock | D | 273 | $163.86 | 12,533 | D | S |
| 17 Mar, 2026 | David Franklin Peterson | Common Stock | D | 273 | $163.86 | 12,533 | D | S |
| 17 Mar, 2026 | James Winston King | Common Stock | D | 1,001 | $163.86 | 32,701 | D | S |
| 17 Mar, 2026 | James Winston King | Common Stock | D | 1,001 | $163.86 | 32,701 | D | S |
| 17 Mar, 2026 | James Winston King | Common Stock | D | 1,001 | $163.86 | 32,701 | D | S |
| 17 Mar, 2026 | David Franklin Peterson | Common Stock | D | 273 | $163.86 | 12,533 | D | S |
| 17 Mar, 2026 | John P Mullen | Common Stock | D | 6,576 | $163.86 | 135,407 | D | S |
| 17 Mar, 2026 | David Franklin Peterson | Common Stock | D | 273 | $163.86 | 12,533 | D | S |
| 17 Mar, 2026 | David Franklin Peterson | Common Stock | D | 273 | $163.86 | 12,533 | D | S |
| 17 Mar, 2026 | James Winston King | Common Stock | D | 1,001 | $163.86 | 32,701 | D | S |
| 17 Mar, 2026 | John P Mullen | Common Stock | D | 6,576 | $163.86 | 135,407 | D | S |
| 17 Mar, 2026 | John P Mullen | Common Stock | D | 6,576 | $163.86 | 135,407 | D | S |
| 17 Mar, 2026 | John P Mullen | Common Stock | D | 6,576 | $163.86 | 135,407 | D | S |
| 17 Mar, 2026 | James Winston King | Common Stock | D | 1,001 | $163.86 | 32,701 | D | S |
| 17 Mar, 2026 | John P Mullen | Common Stock | D | 6,576 | $163.86 | 135,407 | D | S |