Form4insider filings, from the source

Company · CIK 0001528396 · SIC 7372 — Services-Prepackaged Software · NYSE

Guidewire Software, Inc. · GWRE

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $23.9M · 8net −$23.9M
$10k$10k$1M$1M$100M$100MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 17, 2026 SForm 4 →Sep 21, 5:23 pm EDTJames Winston KingChief Admin Officer, Gen Couns13,195$144.52$1,907,00144,558−22.8%10b5-1
Sep 17, 2026 SForm 4 →Sep 21, 5:23 pm EDTDavid Franklin PetersonChief Accounting Officer1,905$144.47$275,21912,233−13.5%10b5-1
Sep 17, 2026 SForm 4 →Sep 21, 5:23 pm EDTJeffrey Elliott CooperChief Financial Officer33,175$143.92$4,774,39085,420−28.0%10b5-1
Sep 17, 2026 SForm 4 →Sep 21, 5:23 pm EDTJohn P MullenPresident39,683$144.47$5,733,074183,647−17.8%
Sep 17, 2026 SForm 4 →Sep 21, 5:22 pm EDTMichael George RosenbaumChief Executive Officer, Director73,490$144.50$10,618,970279,666−20.8%10b5-1
Sep 15, 2026 MForm 4 →Sep 15, 6:02 pm EDTMichael George RosenbaumChief Executive Officer, Director123,074——353,156—
Sep 15, 2026 MForm 4 →Sep 15, 6:01 pm EDTJohn P MullenPresident75,211——223,330—
Sep 15, 2026 MForm 4 →Sep 15, 6:00 pm EDTDavid Franklin PetersonChief Accounting Officer4,351——14,138—
Sep 15, 2026 MForm 4 →Sep 15, 6:00 pm EDTJames Winston KingChief Admin Officer, Gen Couns19,701——57,753—
Sep 15, 2026 MForm 4 →Sep 15, 5:58 pm EDTJeffrey Elliott CooperChief Financial Officer37,826——118,595—
Sep 14, 2026 SForm 4 →Sep 14, 5:26 pm EDTMichael George RosenbaumChief Executive Officer, Director1,200$145.87$175,044230,082−0.52%10b5-1
Sep 11, 2026 AForm 4 →Sep 14, 5:26 pm EDTMichael George RosenbaumChief Executive Officer, Director45,906——231,282—10b5-1
Sep 11, 2026 AForm 4 →Sep 14, 5:19 pm EDTJohn P MullenPresident35,004——148,119—
Sep 11, 2026 AForm 4 →Sep 14, 5:08 pm EDTJeffrey Elliott CooperChief Financial Officer18,650——80,769—
Sep 11, 2026 AForm 4 →Sep 14, 4:53 pm EDTJames Winston KingChief Admin Officer, Gen Couns8,034——38,052—
Sep 8, 2026 SForm 4 →Sep 8, 4:46 pm EDTMichael George RosenbaumChief Executive Officer, Director1,200$160.52$192,624185,376−0.64%10b5-1
Aug 31, 2026 SForm 4 →Sep 1, 6:15 pm EDTMichael George RosenbaumChief Executive Officer, Director1,200$204.44$245,328186,576−0.64%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 MForm 4 →Sep 15, 6:02 pm EDTMichael George RosenbaumChief Executive Officer, Director123,074——0—
Sep 15, 2026 MForm 4 →Sep 15, 6:01 pm EDTJohn P MullenPresident75,211——0—
Sep 15, 2026 MForm 4 →Sep 15, 6:00 pm EDTDavid Franklin PetersonChief Accounting Officer4,351——0—
Sep 15, 2026 MForm 4 →Sep 15, 6:00 pm EDTJames Winston KingChief Admin Officer, Gen Couns19,701——0—
Sep 15, 2026 MForm 4 →Sep 15, 5:58 pm EDTJeffrey Elliott CooperChief Financial Officer37,826——0—
Sep 11, 2026 AForm 4 →Sep 14, 5:26 pm EDTMichael George RosenbaumChief Executive Officer, Director45,906——45,906—10b5-1
Sep 11, 2026 AForm 4 →Sep 14, 5:19 pm EDTJohn P MullenPresident35,004——35,004—
Sep 11, 2026 AForm 4 →Sep 14, 5:08 pm EDTJeffrey Elliott CooperChief Financial Officer18,650——18,650—
Sep 11, 2026 AForm 4 →Sep 14, 4:53 pm EDTJames Winston KingChief Admin Officer, Gen Couns8,034——8,034—