8-KLeadership ChangesRegulation FDExhibits & Filings

ARCH CAPITAL GROUP LTD. 8-K Report, Executive Changes (Jun 3, 2026)

Filed June 3, 2026For Securities:ACGLACGLNACGLO

Summary

Arch Capital Group Ltd. (ACGL) announced a significant leadership change, with David Gansberg stepping down as President of the Global Insurance Group, effective immediately. Mr. Gansberg, who played a key role in the company's growth, will depart after a distinguished tenure and will receive benefits in accordance with his employment and equity agreements. In response to Mr. Gansberg's departure, the company is consolidating its leadership under a single President model. Maamoun Rajeh, currently President overseeing the Reinsurance and Mortgage segments, will expand his responsibilities to include the Insurance segment. Mr. Rajeh, a seasoned executive with extensive experience within Arch since 2001, will continue to report to CEO Nicolas Papadopoulo, with no changes to his existing employment terms or new equity awards.

Key Highlights

  • 1David Gansberg, President of Arch's Global Insurance Group, is stepping down and departing the company.
  • 2Mr. Gansberg's departure is effective immediately.
  • 3Maamoun Rajeh will expand his role to become the sole President of Arch, taking on responsibility for the Insurance segment.
  • 4Mr. Rajeh currently oversees Arch's Reinsurance and Mortgage segments.
  • 5The company is moving to a single President model for its operations.
  • 6Mr. Rajeh's employment terms and equity compensation remain unchanged.
  • 7The announcement was made via a press release filed on June 3, 2026, attached as an exhibit to the 8-K.

Frequently Asked Questions

David Gansberg's departure as President of the Global Insurance Group signifies a leadership transition. His responsibilities will be absorbed by Maamoun Rajeh, who will consolidate leadership under a single President model, overseeing all insurance and reinsurance segments. While Mr. Gansberg's departure marks the end of his tenure, the company has stated he will receive benefits as per his agreements.

Maamoun Rajeh is an experienced executive within Arch Capital Group, currently serving as President overseeing the Reinsurance and Mortgage segments. With Mr. Gansberg's departure, Mr. Rajeh will expand his role to also lead the Insurance segment, effectively becoming the sole President of the company. He has a long history with Arch, joining in 2001 and holding various senior leadership positions.

No, the filing explicitly states that the terms of Mr. Rajeh's employment agreement remain unchanged, and no new equity-based compensation awards were granted to him in connection with his expanded role. He will continue to report to CEO Nicolas Papadopoulo.

The filing indicates that Mr. Gansberg will receive benefits under his existing employment and equity agreements. While specific financial details are not provided in this 8-K, investors should refer to the company's proxy statements and Mr. Gansberg's employment agreement (dated March 1, 2019, as amended) for potential insights into the nature and scope of these benefits.