StockCIK 1528396
Guidewire Software, Inc. (GWRE): Insider Trades and Fund Holdings
In the past 12 months, Guidewire Software, Inc. insiders reported 0 open-market purchases worth $0 and 25 sales worth $34.7M; 24 of the sales were reported as made under a 10b5-1 trading plan.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$34.7MSold by insiders, 12 months
0Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Oct 27, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Oct 27 | John P. MullenPresident | ▼ SELL10b5-1 | $337K |
| Oct 26 | Michael George RosenbaumCEO | ▼ SELL10b5-1 | $225K |
| Oct 20 | John P. MullenPresident | ▼ SELL10b5-1 | $999K |
| Oct 19 | Michael George RosenbaumCEO | ▼ SELL10b5-1 | $201K |
| Oct 13 | James Winston KingChief Admin Officer, Gen Couns | ▼ SELL10b5-1 | $1.54M |
| Oct 13 | Michael George RosenbaumCEO | ▼ SELL10b5-1 | $203K |
| Oct 5 | Michael George RosenbaumCEO | ▼ SELL10b5-1 | $183K |
| Sep 30 | Michael George RosenbaumCEO | ▼ SELL10b5-1 | $171K |
| Sep 21 | Michael George RosenbaumCEO | ▼ SELL10b5-1 | $10.4M |
| Sep 21 | John P. MullenPresident | ▼ SELL | $5.73M |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
All 25 GWRE insider trades →Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| John P. Mullen | President | 0 | $0 | 6 | $13.1M |
| Michael George Rosenbaum | CEO | 0 | $0 | 12 | $12.6M |
| James Winston King | Chief Admin Officer, Gen Couns | 0 | $0 | 3 | $3.45M |
| Jeffrey Elliott Cooper | CFO | 0 | $0 | 2 | $4.77M |
| David Franklin Peterson | CAO | 0 | $0 | 2 | $775K |
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →