David Peterson's departure as Chief Accounting Officer of Guidewire Software, Inc. was reported, effective November 4, 2026; the filing names no successor. As of November 6, 2026, Guidewire Software, Inc. has reported 2 leadership change filings to the SEC under Item 5.02 of Form 8-K, from July 22, 2026 to September 3, 2026, naming 1 appointment and 1 departure (Form 8-K, September 3, 2026).
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Guidewire Software, Inc. reported changes in 2 filings among its directors and officers to the SEC on Form 8-K, Item 5.02, from 2026-07-22 to 2026-09-03. They name 2 people, with 1 appointment and 1 departure. Every row below is cited to the filing it comes from, and this page adds each new change as Guidewire Software, Inc. files it.
Also on the record for Guidewire Software, Inc.
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| July 2, 2026 | Stake report, Schedule 13G/A, by Baron Capital Group, Inc. | 10.8% of the class | 5%+ stakes | Source |
| May 15, 2026 | Stake report, Schedule 13G/A, by Baron Capital Group, Inc. | 7.79% of the class | 5%+ stakes | Source |
| May 15, 2026 | Stake report, Schedule 13G/A, by Linonia Partners Fund LP | 9% of the class | 5%+ stakes | Source |
| May 14, 2026 | Stake report, Schedule 13G/A, by Massachusetts Financial Services Company | 3.5% of the class | 5%+ stakes | Source |
| April 30, 2026 | Stake report, Schedule 13G, by Vanguard Capital Management | 5.3% of the class | 5%+ stakes | Source |
| April 29, 2026 | Stake report, Schedule 13G, by Vanguard Portfolio Management | 5.45% of the class | 5%+ stakes | Source |
| March 27, 2026 | Stake report, Schedule 13G/A, by The Vanguard Group | — | 5%+ stakes | Source |
| February 17, 2026 | Stake report, Schedule 13G/A, by Baron Capital Group, Inc. | 6.05% of the class | 5%+ stakes | Source |
| February 17, 2026 | Stake report, Schedule 13G/A, by Linonia Partners Fund LP | 6.3% of the class | 5%+ stakes | Source |
| September 29, 2025 | Stake report, Schedule 13G, by Linonia Partners Fund LP | 5% of the class | 5%+ stakes | Source |
| July 2, 2025 | Stake report, Schedule 13G/A, by BlackRock, Inc. | 10.2% of the class | 5%+ stakes | Source |
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More on Guidewire Software, Inc. and the records around it.
Guidewire Software, Inc. elsewhere on the record
- 5%+ stake filings Jul 2026
- Who owns it
Companies that share a holder
- Linonia Partners Fund LP also filed stake reports on 3 other companies: Liberty Live Holdings, Inc. (Sep 2026), The New York Times Company (Aug 2026), Liberty Media Corporation (Oct 2025)
- BAMCO INC /NY/ also filed stake reports on 22 other companies: Birkenstock Holding plc (Aug 2026), Blackstone Digital Infrastructure Trust Inc. (Aug 2026), CAREDX, INC. (Aug 2026)
- Massachusetts Financial Services Company also filed stake reports on 26 other companies: ASHLAND INC. (Aug 2026), BLACKSTONE DIGITAL INFRASTRUCTURE TRUST INC (Aug 2026), PG&E CORP (Aug 2026)
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Timeline
| Filed | In / out | Person | Role | Effective | Source |
|---|---|---|---|---|---|
| 2026-09-03 | Out | Chief Accounting Officer | 2026-11-04 | 8-K, 2026-09-03 | |
| 2026-07-22 | In | Director | 2026-08-01 | 8-K, 2026-07-22 |
Who leads Guidewire Software, Inc., as last reported?
For each role that changed in the filings below, the most recent change reported. A role that did not change in these filings is not listed.
- Chief Accounting Officer: David Peterson, departure reported, effective 2026-11-04 (filed 2026-09-03). No successor is named in these filings.
- Director: Alexander Vollert, appointed, effective 2026-08-01 (filed 2026-07-22).
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Find candidates like Chief Accounting Officer at Guidewire Software, Inc.Every change, in the filing's words
Departing: David Peterson, Chief Accounting Officer, effective 2026-11-04
On September 1, 2026, David Peterson notified the Company of his intention to retire from his role as the Company's Senior Vice President, Chief Accounting Officer (the Company's principal accounting officer), effective as of November 4, 2026.
- Mr. Peterson's retirement is not the result of any disagreement with the Company on any matter relating to the Company's operations, policies, or practices.
- The Company expects that Jeff Cooper, the Company's Chief Financial Officer, will assume the duties of principal accounting officer upon Mr. Peterson's retirement, subject to formal appointment by our board of directors.
Appointed: Alexander Vollert, Director, effective 2026-08-01
On July 17, 2026, the Board of Directors (the "Board") of Guidewire Software, Inc. (the "Company") appointed Alexander Vollert as a director of the Board, effective as of August 1, 2026.
- Dr. Vollert's initial term will run through the Company's 2026 annual meeting of stockholders, subject to his being re-elected at that meeting.
- Dr. Vollert has served as a Senior Advisor to the Group Management Committee at AXA SA since January 2026.
- From December 2021 through December 2025, he served as Chief Operating Officer of AXA SA, during which time he was also a member of AXA SA's Group Management Committee, and Chief Executive Officer of AXA Group Operations SAS, a subsidiary of AXA SA.
- From September 2016 to November 2021, he served as Chief Executive Officer of AXA Germany (AXA Konzern AG).
- During the Company's fiscal year ended July 31, 2025, and for the nine months ended April 30, 2026, the Company recognized approximately $11.3 million and $13.4 million, respectively, in revenue for services provided to AXA SA and all its global affiliates in the ordinary course of business.
- As noted above, Dr. Vollert was an executive at AXA SA and one of its subsidiaries through December 2025.
- On July 22, 2026, the Company issued a press release announcing the appointment of Dr. Vollert as a director.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.