Over the 90-day window ending February 19, 2026, Guidewire Software's three dominant insider ownership positions are held by Chief Executive Officer Michael George Rosenbaum (230.74K shares), President John P Mullen (141.98K shares), Chief Financial Officer Jeffrey Elliott Cooper (72.75K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Michael George Rosenbaum | Chief Executive Officer | 230,743 | 17 Feb, 2026 |
| John P Mullen | President | 141,983 | 17 Dec, 2025 |
| Jeffrey Elliott Cooper | Chief Financial Officer | 72,753 | 15 Jan, 2026 |
| Priscilla Hung | President & Coo | 38,131 | 20 Dec, 2023 |
| James Winston King | Chief Admin Officer And Gen Couns | 33,702 | 18 Dec, 2025 |
| Frank E Jr Odowd | Chief Sales Officer | 28,275 | 21 Sep, 2021 |
| Margaret Dillon | 16,393 | 16 Dec, 2025 | |
| Paul Lavin | 13,796 | 23 Dec, 2024 | |
| David Franklin Peterson | Chief Accounting Officer | 12,806 | 17 Dec, 2025 |
| Rajani Ramanathan | 11,057 | 16 Dec, 2025 | |
| Michael C Keller | 10,606 | 16 Dec, 2025 | |
| Marcus Ryu | 10,555 | 19 Dec, 2023 | |
| Michael Polelle | Chief Delivery Officer | 7,241 | 18 Mar, 2022 |
| David S Bauer | 7,099 | 16 Dec, 2025 | |
| Andrew William Fraser Brown | 4,000 | 23 Jun, 2022 | |
| Mark V Anquillare | 2,716 | 16 Dec, 2025 | |
| Jeffrey Steven Sloan | 2,371 | 16 Dec, 2025 | |
| Catherine P Lego | 2,000 | 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 |
|---|---|---|---|---|---|---|---|---|
| 17 Feb, 2026 | Michael George Rosenbaum | Common Stock | D | 1,200 | $127.00 | 230,743 | D | S |
| 09 Feb, 2026 | Michael George Rosenbaum | Common Stock | D | 1,200 | $127.77 | 231,943 | D | S |
| 02 Feb, 2026 | Michael George Rosenbaum | Common Stock | D | 1,200 | $140.01 | 233,143 | D | S |
| 26 Jan, 2026 | Michael George Rosenbaum | Common Stock | D | 1,200 | $160.32 | 234,343 | D | S |
| 20 Jan, 2026 | Michael George Rosenbaum | Common Stock | D | 1,200 | $156.26 | 235,543 | D | S |
| 13 Jan, 2026 | Michael George Rosenbaum | Common Stock | D | 1,200 | $180.87 | 236,743 | D | S |
| 13 Jan, 2026 | Jeffrey Elliott Cooper | Common Stock | D | 216 | $180.87 | 72,753 | D | S |
| 29 Dec, 2025 | Michael George Rosenbaum | Common Stock | D | 1,400 | $204.95 | 237,943 | D | S |
| 22 Dec, 2025 | Michael George Rosenbaum | Common Stock | D | 1,400 | $200.72 | 239,343 | D | S |
| 18 Dec, 2025 | James Winston King | Common Stock | D | 1,860 | $195.00 | 33,702 | D | S |
| 18 Dec, 2025 | James Winston King | - | - | 33,702 | D | |||
| 18 Dec, 2025 | Jeffrey Elliott Cooper | Common Stock | D | 1,232 | $195.00 | 72,969 | D | S |
| 16 Dec, 2025 | David Franklin Peterson | - | - | 12,806 | D | |||
| 16 Dec, 2025 | David Franklin Peterson | Common Stock | D | 358 | $192.08 | 12,806 | D | S |
| 16 Dec, 2025 | James Winston King | Common Stock | D | 1,457 | $192.08 | 35,562 | D | S |
| 16 Dec, 2025 | Michael George Rosenbaum | Common Stock | D | 6,015 | $192.08 | 240,743 | D | S |
| 16 Dec, 2025 | Jeffrey Elliott Cooper | Common Stock | D | 2,872 | $192.08 | 74,201 | D | S |
| 16 Dec, 2025 | John P Mullen | Common Stock | D | 7,975 | $192.08 | 141,983 | D | S |
| 15 Dec, 2025 | Michael C Keller | Common Stock | A | 1,196 | $0.00 | 10,606 | D | A |
| 15 Dec, 2025 | Catherine P Lego | Common Stock | A | 1,196 | $0.00 | 2,000 | I | A |