# Guidewire Software, Inc. (GWRE) insider trading, Q3 2026 Canonical: https://sec-api.dev/insider-trading/gwre > 39 non-derivative transactions: 0 purchases, 29 sales ($32.3M). CIK 1528396. | Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing | | --- | --- | --- | --- | --- | --- | --- | --- | | 2026-09-28 | Rosenbaum Michael George | Director, Officer | S | 1200.0 | 142.65 | 278466.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000097/0001784996-26-000097-index.htm | | 2026-09-21 | Rosenbaum Michael George | Director, Officer | S | 1200.0 | 145.92 | 279666.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000095/0001784996-26-000095-index.htm | | 2026-09-18 | King James Winston | Officer | S | 1381.0 | 144.98 | 44558.0 | https://www.sec.gov/Archives/edgar/data/1528396/000158625326000020/0001586253-26-000020-index.htm | | 2026-09-18 | Cooper Jeffrey Elliott | Officer | S | 854.0 | 140.73 | 94507.0 | https://www.sec.gov/Archives/edgar/data/1528396/000180571926000027/0001805719-26-000027-index.htm | | 2026-09-18 | Cooper Jeffrey Elliott | Officer | S | 2430.0 | 141.68 | 92077.0 | https://www.sec.gov/Archives/edgar/data/1528396/000180571926000027/0001805719-26-000027-index.htm | | 2026-09-18 | Cooper Jeffrey Elliott | Officer | S | 4468.0 | 142.69 | 87609.0 | https://www.sec.gov/Archives/edgar/data/1528396/000180571926000027/0001805719-26-000027-index.htm | | 2026-09-18 | Cooper Jeffrey Elliott | Officer | S | 1195.0 | 143.61 | 86414.0 | https://www.sec.gov/Archives/edgar/data/1528396/000180571926000027/0001805719-26-000027-index.htm | | 2026-09-18 | Cooper Jeffrey Elliott | Officer | S | 994.0 | 144.98 | 85420.0 | https://www.sec.gov/Archives/edgar/data/1528396/000180571926000027/0001805719-26-000027-index.htm | | 2026-09-17 | Peterson David Franklin | Officer | S | 1905.0 | 144.47 | 12233.0 | https://www.sec.gov/Archives/edgar/data/1528396/000149615226000018/0001496152-26-000018-index.htm | | 2026-09-17 | King James Winston | Officer | S | 11814.0 | 144.47 | 45939.0 | https://www.sec.gov/Archives/edgar/data/1528396/000158625326000020/0001586253-26-000020-index.htm | | 2026-09-17 | Rosenbaum Michael George | Director, Officer | S | 72290.0 | 144.47 | 280866.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000095/0001784996-26-000095-index.htm | | 2026-09-17 | Cooper Jeffrey Elliott | Officer | S | 23234.0 | 144.47 | 95361.0 | https://www.sec.gov/Archives/edgar/data/1528396/000180571926000027/0001805719-26-000027-index.htm | | 2026-09-17 | Mullen John P | Officer | S | 39683.0 | 144.47 | 183647.0 | https://www.sec.gov/Archives/edgar/data/1528396/000191738926000023/0001917389-26-000023-index.htm | | 2026-09-15 | Peterson David Franklin | Officer | M | 4351.0 | 0.0 | 14138.0 | https://www.sec.gov/Archives/edgar/data/1528396/000149615226000012/0001496152-26-000012-index.htm | | 2026-09-15 | King James Winston | Officer | M | 19701.0 | 0.0 | 57753.0 | https://www.sec.gov/Archives/edgar/data/1528396/000158625326000014/0001586253-26-000014-index.htm | | 2026-09-15 | Rosenbaum Michael George | Director, Officer | M | 123074.0 | 0.0 | 353156.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000088/0001784996-26-000088-index.htm | | 2026-09-15 | Cooper Jeffrey Elliott | Officer | M | 37826.0 | 0.0 | 118595.0 | https://www.sec.gov/Archives/edgar/data/1528396/000180571926000020/0001805719-26-000020-index.htm | | 2026-09-15 | Mullen John P | Officer | M | 75211.0 | 0.0 | 223330.0 | https://www.sec.gov/Archives/edgar/data/1528396/000191738926000016/0001917389-26-000016-index.htm | | 2026-09-14 | Rosenbaum Michael George | Director, Officer | S | 1200.0 | 145.87 | 230082.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000086/0001784996-26-000086-index.htm | | 2026-09-11 | King James Winston | Officer | A | 8034.0 | 0.0 | 38052.0 | https://www.sec.gov/Archives/edgar/data/1528396/000158625326000012/0001586253-26-000012-index.htm | | 2026-09-11 | Rosenbaum Michael George | Director, Officer | A | 45906.0 | 0.0 | 231282.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000086/0001784996-26-000086-index.htm | | 2026-09-11 | Cooper Jeffrey Elliott | Officer | A | 18650.0 | 0.0 | 80769.0 | https://www.sec.gov/Archives/edgar/data/1528396/000180571926000018/0001805719-26-000018-index.htm | | 2026-09-11 | Mullen John P | Officer | A | 35004.0 | 0.0 | 148119.0 | https://www.sec.gov/Archives/edgar/data/1528396/000191738926000014/0001917389-26-000014-index.htm | | 2026-09-08 | Rosenbaum Michael George | Director, Officer | S | 1200.0 | 160.52 | 185376.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000084/0001784996-26-000084-index.htm | | 2026-08-31 | Rosenbaum Michael George | Director, Officer | S | 1200.0 | 204.44 | 186576.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000080/0001784996-26-000080-index.htm | | 2026-08-27 | Peterson David Franklin | Officer | S | 2500.0 | 200.0 | 9787.0 | https://www.sec.gov/Archives/edgar/data/1528396/000149615226000010/0001496152-26-000010-index.htm | | 2026-08-25 | Mullen John P | Officer | S | 1800.0 | 188.46 | 113115.0 | https://www.sec.gov/Archives/edgar/data/1528396/000191738926000012/0001917389-26-000012-index.htm | | 2026-08-24 | Rosenbaum Michael George | Director, Officer | S | 1200.0 | 187.82 | 187776.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000078/0001784996-26-000078-index.htm | | 2026-08-19 | Mullen John P | Officer | S | 16200.0 | 185.0 | 114915.0 | https://www.sec.gov/Archives/edgar/data/1528396/000191738926000012/0001917389-26-000012-index.htm | | 2026-08-19 | Mullen John P | Officer | S | 14400.0 | 185.0 | 116715.0 | https://www.sec.gov/Archives/edgar/data/1528396/000191738926000010/0001917389-26-000010-index.htm | | 2026-08-17 | Rosenbaum Michael George | Director, Officer | S | 1200.0 | 172.88 | 188976.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000076/0001784996-26-000076-index.htm | | 2026-08-12 | Vollert Karl Alexander | Director | A | 578.0 | 0.0 | 578.0 | https://www.sec.gov/Archives/edgar/data/1528396/000214489026000006/0002144890-26-000006-index.htm | | 2026-08-10 | Rosenbaum Michael George | Director, Officer | S | 1200.0 | 169.5 | 190176.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000074/0001784996-26-000074-index.htm | | 2026-08-03 | Rosenbaum Michael George | Director, Officer | S | 1200.0 | 155.92 | 191376.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000072/0001784996-26-000072-index.htm | | 2026-07-27 | Rosenbaum Michael George | Director, Officer | S | 1200.0 | 142.31 | 192576.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000070/0001784996-26-000070-index.htm | | 2026-07-20 | Rosenbaum Michael George | Director, Officer | S | 1200.0 | 147.42 | 193776.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000068/0001784996-26-000068-index.htm | | 2026-07-13 | Rosenbaum Michael George | Director, Officer | S | 1200.0 | 138.47 | 194976.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000066/0001784996-26-000066-index.htm | | 2026-07-09 | King James Winston | Officer | S | 1684.0 | 130.64 | 30018.0 | https://www.sec.gov/Archives/edgar/data/1528396/000158625326000010/0001586253-26-000010-index.htm | | 2026-07-06 | Rosenbaum Michael George | Director, Officer | S | 1200.0 | 131.63 | 196176.0 | https://www.sec.gov/Archives/edgar/data/1528396/000178499626000064/0001784996-26-000064-index.htm | Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets --- Independent. 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