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AI brief of an SEC Form 8-K · Arch Capital (ACGL)

Arch Capital President David Gansberg Departs; Rajeh Takes on Insurance Segment

Neutral Impact 3 of 5 leadership Written later

Arch Capital Group said President David Gansberg stepped down effective immediately and is leaving the company; he had overseen the Global Insurance Group. Maamoun Rajeh, who already oversees the Reinsurance and Mortgage segments, takes on the Insurance segment as Arch moves to a single President model, reporting to CEO Nicolas Papadopoulo. The filing discloses no financial results or guidance changes, so the main shareholder impact is the leadership change.

Key points

  • David Gansberg stepped down as President effective immediately; he oversaw the Global Insurance Group.
  • Maamoun Rajeh, President since November 2024, now oversees the Reinsurance, Mortgage and Insurance segments.
  • Rajeh continues to report to CEO Nicolas Papadopoulo; his employment agreement dated September 19, 2017 is unchanged and no new equity awards were granted.
  • The filing reports no financial results or guidance.

The filing

CompanyArch Capital (ACGL)
Form8-K, current report
Filed with the SECJun 3, 2026, 8:47 AM ET
Accession number0000947484-26-000094

Items reported: 5.02 Director / Officer Change7.01 Regulation FD Disclosure

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 1:30 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on June 03, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.