Latest filingSep 01, 2026Most recent Form 4
GWRE
Guidewire Software, Inc.
NYSETechnologyServices-Prepackaged Software
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$717M7 sells
Net open-market-$717M3 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period7transactions
- S · Open-market sells · dominant7 · 100%
Activity by reported role
A joint filing can contribute to multiple roles7transactions
- Chief executive officer · dominant3 · 43%
- PRES3 · 43%
- CAO1 · 14%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (3)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeRosenbaum Michael GeorgeCommon Stock · Direct
186,576Aug 31, 2026
Mullen John PCommon Stock · Direct
113,115Aug 25, 2026
Peterson David FranklinCommon Stock · Direct
9,787Aug 27, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- MP-$2.7M
- RG-$678.2k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
GWRE transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| GWRE | Rosenbaum Michael George | CEO | sale10b5-1 | 1.20k | -$24.5M | S | 0.0% | 09/01 | 08/31 | |
| GWRE | Rosenbaum Michael George | CEO | sale10b5-1 | 1.20k | -$22.5M | S | −0.9% | 08/24 | 08/24 | |
| GWRE | Mullen John P | PRES | sale10b5-1 | 14.4k | -$266M | S | +10.6% | 08/20 | 08/19 | |
| GWRE | Rosenbaum Michael George | CEO | sale10b5-1 | 1.20k | -$20.7M | S | +16.9% | 08/17 | 08/17 |
Guidewire Software, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Guidewire Software, Inc.?
Rosenbaum Michael George, Peterson David Franklin, Mullen John P.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Rosenbaum Michael George reported a sale on Aug 31, 2026 valued at $24.5M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $7,178,396.00. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.