secwatch.observer — SEC 8-K summary
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Issuer:     ARCH CAPITAL GROUP LTD. (ACGL)
CIK:        0000947484
Form:       8-K
Filed at:   2026-06-03T12:47:07+00:00
Accession:  0000947484-26-000094
Event type: leadership
Sentiment:  neutral
Materiality: 0.55
Item codes: 5.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Arch Capital expands Maamoun Rajeh's role to sole President; David Gansberg departs
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- David Gansberg steps down as President immediately and is departing the Company.
- Maamoun Rajeh adds oversight of Insurance segment to existing Reinsurance and Mortgage responsibilities.
- Rajeh, already President since November 2024, continues to report to CEO Nicolas Papadopoulo.
- No new equity awards granted to Rajeh in connection with expanded role; employment terms unchanged.
- Rajeh joined Arch in 2001 and previously served as CEO of Arch's Global Reinsurance Group.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/947484/000094748426000094/0000947484-26-000094-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/947484/000094748426000094/acgl-20260603.htm
  HTML page:      https://secwatch.observer/filing/0000947484-26-000094

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