ARCH CAPITAL GROUP LTD. 8-K

What Happened
Arch Capital Group Ltd. (ACGL) announced on June 3, 2026 that David Gansberg is stepping down immediately from his role as President and will depart the company. In connection with his departure, Gansberg will be entitled to benefits under Sections 5.02 and 5.04 of his employment agreement dated March 1, 2019 (as amended) and under his equity‑based awards, subject to the agreements’ terms. The company also named Maamoun Rajeh to an expanded President role under a single‑President model; Rajeh will now oversee Arch’s Insurance, Reinsurance and Mortgage segments and will continue to report to CEO Nicolas Papadopoulo.

Key Details

• Filing: Form 8‑K filed June 3, 2026; press release attached as Exhibit 99.1.
• Departure: David Gansberg resigned effective immediately; entitlement to contractual and equity benefits per his March 1, 2019 employment agreement (as amended).
• New role: Maamoun Rajeh (age 55) — President since Nov 2024 — will add responsibility for the Insurance segment to his existing oversight of Reinsurance and Mortgage.
• Compensation: Rajeh’s employment agreement dated Sept 19, 2017 (as amended) remains unchanged; no new equity awards were granted in connection with the expanded role.

Why It Matters
Executive leadership changes can affect strategy and investor confidence. Arch has moved to a single‑President structure under Rajeh, consolidating oversight of its Insurance, Reinsurance and Mortgage businesses while maintaining the existing CEO reporting line. The filing confirms contractual exit benefits for the departing executive and that no new equity incentives were granted to Rajeh, which are concrete, non‑speculative facts investors can use when assessing potential impacts on management continuity and compensation-related dilution.