Guidewire Software, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Guidewire Software, Inc. (GWRE), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are GWRE insiders buying or selling?
In the last 12 months, Guidewire Software, Inc. insiders reported 0 open-market purchases ($0) and 81 sales ($52.7M) — net selling of $52.7M. Since January 2018, Trabud has recorded 454 Form 4 filings for GWRE: 5 buys ($1.3M) and 449 sells ($255.1M).
Source: SEC EDGAR Form 4
What stands out
- No Guidewire Software, Inc. insider made an open-market purchase in the last 12 months; the 81 reported open-market sales totaled $52.7M.
Key Statistics (January 2018 – Oct 13, 2026)
Total Form 4 filings
454
SEC EDGAR
Insider filers
22
Insider buys (5)
$1.3M
Insider sells (449)
$255.1M
Insider sentiment
Net sellingNet insider flow of $253.8M in net selling since January 2018, and $52.7M in net selling over the last 12 months.
Recent GWRE insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oct 13, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $168.97 | $202.8K | SEC ↗ |
| Oct 13, 2026 | James Winston King | Chief Admin Officer, Gen Couns | Sale | 9.2K | $168.00 | $1.5M | SEC ↗ |
| Oct 5, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $152.52 | $183.0K | SEC ↗ |
| Sep 30, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $142.65 | $171.2K | SEC ↗ |
| Sep 21, 2026 | James Winston King | Chief Admin Officer, Gen Couns | Sale | 13.2K | $144.52 | $1.9M | SEC ↗ |
| Sep 21, 2026 | David Franklin Peterson | Chief Accounting Officer | Sale | 1.9K | $144.47 | $275.2K | SEC ↗ |
| Sep 21, 2026 | Jeffrey Elliott Cooper | Chief Financial Officer | Sale | 33.2K | $143.92 | $4.8M | SEC ↗ |
| Sep 21, 2026 | John P Mullen | President | Sale | 39.7K | $144.47 | $5.7M | SEC ↗ |
| Sep 21, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 73.5K | $144.50 | $10.6M | SEC ↗ |
| Sep 14, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $145.87 | $175.0K | SEC ↗ |
| Sep 8, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $160.52 | $192.6K | SEC ↗ |
| Sep 1, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $204.44 | $245.3K | SEC ↗ |
| Aug 27, 2026 | David Franklin Peterson | Chief Accounting Officer | Sale | 2.5K | $200.00 | $500.0K | SEC ↗ |
| Aug 26, 2026 | John P Mullen | President | Sale | 18.0K | $185.35 | $3.3M | SEC ↗ |
| Aug 24, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $187.82 | $225.4K | SEC ↗ |
| Aug 20, 2026 | John P Mullen | President | Sale | 14.4K | $185.00 | $2.7M | SEC ↗ |
| Aug 17, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $172.88 | $207.5K | SEC ↗ |
| Aug 10, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $169.50 | $203.4K | SEC ↗ |
| Aug 3, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $155.92 | $187.1K | SEC ↗ |
| Jul 27, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $142.31 | $170.8K | SEC ↗ |
| Jul 20, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $147.42 | $176.9K | SEC ↗ |
| Jul 13, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $138.47 | $166.2K | SEC ↗ |
| Jul 9, 2026 | James Winston King | Chief Admin Officer, Gen Couns | Sale | 1.7K | $130.64 | $220.0K | SEC ↗ |
| Jul 6, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $131.63 | $158.0K | SEC ↗ |
| Jun 29, 2026 | Michael George Rosenbaum | Chief Executive Officer | Sale | 1.2K | $124.29 | $149.1K | SEC ↗ |
Showing the 25 most recent of 454 Form 4 filings for Guidewire Software, Inc..
Most active GWRE insiders
- Michael George Rosenbaum111 filings
- James Winston King61 filings
- Marcus Ryu50 filings
- Priscilla Hung46 filings
- Jeffrey Elliott Cooper45 filings
Ask anything about GWRE insider activity
Use Trabud's AI agent to query Guidewire Software, Inc.'s Form 4 history in plain English — "Show me GWRE CEO purchases this year" or compare it against any other ticker.
Open the AI agentGWRE insider trading FAQ
Are Guidewire Software, Inc. insiders buying or selling?
In the last 12 months, Guidewire Software, Inc. insiders reported 0 open-market purchases ($0) and 81 sales ($52.7M) — net selling of $52.7M. Since January 2018, Trabud has recorded 454 Form 4 filings for GWRE: 5 buys ($1.3M) and 449 sells ($255.1M). Over the full record that is net selling of $253.8M.
How many insiders trade GWRE stock?
22 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Guidewire Software, Inc.. The most recent filing was accepted on Oct 13, 2026.
Where does Trabud get GWRE insider trading data?
All GWRE insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.