---
schema_version: "secwatch.filing_event.v1"
accession: "0001593275-25-000231"
form_type: "8-K"
ticker: "HG"
cik: "0001593275"
company_name: "Hamilton Insurance Group, Ltd."
filed_at: "2025-08-06T23:59:59+00:00"
generated_at: "2026-05-17T19:28:28.771289+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Hamilton Insurance appoints Russ Buckley as Group Chief Risk Officer

## Summary
- Russ Buckley succeeds Alex Baker as Group CRO; Baker transitions to CEO of Hamilton Global Specialty effective Sept 1, 2025.
- Buckley joins from Old Republic Specialty Insurance Underwriters, where he was SVP and Chief Actuarial Officer since 2020.
- He brings over 30 years of insurance experience, including roles at The Hartford, AIG, XL, and Munich Re.
- Buckley will report to CEO Pina Albo and oversee Hamilton's risk and actuarial functions; start date to be confirmed.

## SEC filing metadata
- accession: 0001593275-25-000231
- form_type: 8-K
- ticker: HG
- cik: 0001593275
- company_name: Hamilton Insurance Group, Ltd.
- filed_at: 2025-08-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1593275/000159327525000231/0001593275-25-000231-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1593275/000159327525000231/hg-20250806.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001593275-25-000231
- JSON: https://secwatch.observer/filing/0001593275-25-000231.json
- Plain text: https://secwatch.observer/filing/0001593275-25-000231.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.