secwatch / observer
ACGL ARCH CAPITAL GROUP LTD.
CIK 0000947484 36 ready 8-Ks latest June 3, 2026, 8:47 AM ET RSS · JSON
Activity: ELEVATED 4 filings / 30d vs 1 baseline Risk accumulating: repeated leadership change (2)
Ready 8-Ks 36
Latest filing June 3, 2026, 8:47 AM ET
Top materiality 0.90
Event mix earnings ×9 · leadership ×8 · other_material ×6
Sentiment 14 pos · 2 neg · 20 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for ACGL

Executive changes

Departed

David Gansberg

President
ACGL · ARCH CAPITAL GROUP LTD.
Effective
2026-06-03
Filed
June 3, 2026, 8:47 AM ET
David Gansberg is stepping down from his role as a President of Arch effective immediately and will be departing the Company following a distinguished tenure
Role change

Maamoun Rajeh

President
ACGL · ARCH CAPITAL GROUP LTD.
Effective
2026-06-03
Filed
June 3, 2026, 8:47 AM ET
the expansion of Maamoun Rajeh's role as President. Mr. Rajeh, who currently oversees Arch's Reinsurance and Mortgage segments, will also take on responsibility for Arch's Insurance segment
Appointed

Alexander Moczarski

Director
ACGL · ARCH CAPITAL GROUP LTD.
Effective
2025-02-04
Filed
February 6, 2025, 6:59 PM ET
On February 4, 2025, Arch Capital Group Ltd.’s (“ACGL”) Board of Directors (“Board”) unanimously approved the appointment of Alexander Moczarski to serve as a Class III director of the Board, effective February 4, 2025.
Appointed

Maamoun Rajeh

President
ACGL · ARCH CAPITAL GROUP LTD.
Effective
2024-11-07
Filed
November 8, 2024, 6:59 PM ET
On November 7, 2024, the board of directors (the “Board”) of Arch Capital Group Ltd. (the “Company”) appointed David Gansberg and Maamoun Rajeh as Presidents of the Company, effective immediately.
Appointed

David Gansberg

President
ACGL · ARCH CAPITAL GROUP LTD.
Effective
2024-11-07
Filed
November 8, 2024, 6:59 PM ET
On November 7, 2024, the board of directors (the “Board”) of Arch Capital Group Ltd. (the “Company”) appointed David Gansberg and Maamoun Rajeh as Presidents of the Company, effective immediately.
Departed

Marc Grandisson

Chief Executive Officer
ACGL · ARCH CAPITAL GROUP LTD.
Effective
2024-10-15
Successor
Nicolas Papadopoulo
Filed
October 15, 2024, 7:59 PM ET
On October 11, 2024, Marc Grandisson, Chief Executive Officer of Arch Capital Group Ltd. (the “Company”), notified the board of directors (the “Board”) of the Company of his decision to retire from his employment with the Company.
Appointed

Nicolas Papadopoulo

Chief Executive Officer
ACGL · ARCH CAPITAL GROUP LTD.
Effective
2024-10-13
Filed
October 15, 2024, 7:59 PM ET
the Board approved the appointment of Nicolas Papadopoulo as Chief Executive Officer of the Company and as a member of the Board, effective October 13, 2024.
Appointed

Neal Triplett

Class II Director
ACGL · ARCH CAPITAL GROUP LTD.
Effective
2024-08-27
Filed
August 27, 2024, 7:59 PM ET
On August 27, 2024, Arch Capital Group Ltd.’s (“ACGL”) Board of Directors (“Board”) unanimously approved the appointment of Dan Houston and Neal Triplett to serve as Class II directors of the Board, effective August 27, 2024.
Appointed

Dan Houston

Class II Director
ACGL · ARCH CAPITAL GROUP LTD.
Effective
2024-08-27
Filed
August 27, 2024, 7:59 PM ET
On August 27, 2024, Arch Capital Group Ltd.’s (“ACGL”) Board of Directors (“Board”) unanimously approved the appointment of Dan Houston and Neal Triplett to serve as Class II directors of the Board, effective August 27, 2024.

Earnings & guidance

2026-Q1 EPS reported $2.88 filing →

Materiality & sentiment trend

Max materiality 0.90 · Median 0.60 · Most common event earnings

14 positive 2 negative 20 neutral

source · ACGL on sec.gov