Michael George Rosenbaum
Chief Executive Officer at Guidewire Software Inc.
Sits on 2 boards. Last updated September 27, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 5 years
- Director since
- 2023
5 years of board service in total across 2 boards, counting each seat separately. Longest: Guidewire Software Inc., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Guidewire Software Inc. December 15, 2025100.0%
-
Guidewire Software Inc. December 19, 202399.7%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 21, 2026 | Guidewire Software Inc. | Open-market sale | −1,200 | $145.92 | $175,104 |
| Sep 17, 2026 | Guidewire Software Inc. | Open-market sale | −72,290 | $144.47 | $10,443,866 |
| Sep 15, 2026 | Guidewire Software Inc. | Option exercise | +123,074 | — | — |
| Sep 14, 2026 | Guidewire Software Inc. | Open-market sale | −1,200 | $145.87 | $175,044 |
| Sep 11, 2026 | Guidewire Software Inc. | Grant or award | +45,906 | — | — |
| Sep 8, 2026 | Guidewire Software Inc. | Open-market sale | −1,200 | $160.52 | $192,624 |
| Sep 3, 2026 | DocuSign Inc. | Option exercise | +522 | — | — |
| Aug 31, 2026 | Guidewire Software Inc. | Open-market sale | −1,200 | $204.44 | $245,328 |
| Aug 24, 2026 | Guidewire Software Inc. | Open-market sale | −1,200 | $187.82 | $225,384 |
| Aug 17, 2026 | Guidewire Software Inc. | Open-market sale | −1,200 | $172.88 | $207,456 |
| Aug 10, 2026 | Guidewire Software Inc. | Open-market sale | −1,200 | $169.50 | $203,400 |
| Aug 3, 2026 | Guidewire Software Inc. | Open-market sale | −1,200 | $155.92 | $187,104 |
| Jul 27, 2026 | Guidewire Software Inc. | Open-market sale | −1,200 | $142.31 | $170,772 |
| Jul 20, 2026 | Guidewire Software Inc. | Open-market sale | −1,200 | $147.42 | $176,904 |
| Jul 13, 2026 | Guidewire Software Inc. | Open-market sale | −1,200 | $138.47 | $166,164 |
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