---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-028799"
form_type: "8-K"
ticker: null
cik: "0001091748"
company_name: "Argo Group International Holdings, Inc."
filed_at: "2025-03-27T23:59:59+00:00"
generated_at: "2026-05-24T03:38:08.993976+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Argo Group CEO Jessica Buss resigns; CFO Donahue appointed CEO, CAO Chan becomes CFO

## Summary
- Jessica Buss resigned as CEO effective March 21, 2025; not due to any disagreement with company.
- Christopher Donahue, previously CFO, appointed CEO effective immediately.
- David Chan, previously CAO, appointed CFO; receives $425K base salary, 60% target bonus.
- Chan's CFO offer letter includes a $2.5M long-term incentive award pending board approval.

## SEC filing metadata
- accession: 0001104659-25-028799
- form_type: 8-K
- cik: 0001091748
- company_name: Argo Group International Holdings, Inc.
- filed_at: 2025-03-27T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1091748/000110465925028799/0001104659-25-028799-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1091748/000110465925028799/tm2510578d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-028799
- JSON: https://secwatch.observer/filing/0001104659-25-028799.json
- Plain text: https://secwatch.observer/filing/0001104659-25-028799.txt

## Key facts
- Executive change
  Jessica Buss resigned as Chief Executive Officer at Argo Group International Holdings, Inc..
  - Action: resigned
  - Role: Chief Executive Officer
  source text: On March 21, 2025, Jessica Buss notified Argo Group International Holdings, Inc. (the “Company”) of her resignation as Chief Executive Officer of the Company, effective immediately
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091748/000110465925028799/0001104659-25-028799-index.htm
- Executive change
  Christopher Donahue was appointed as Chief Executive Officer at Argo Group International Holdings, Inc..
  - Action: appointed
  - Role: Chief Executive Officer
  source text: Christopher Donahue, the Company’s Chief Financial Officer, was appointed as the Chief Executive Officer of the Company
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091748/000110465925028799/0001104659-25-028799-index.htm
- Executive change
  David Chan was appointed as Chief Financial Officer at Argo Group International Holdings, Inc..
  - Action: appointed
  - Role: Chief Financial Officer
  source text: David Chan, the Company’s Chief Accounting Officer, was appointed as the Chief Financial Officer of the Company
  evidence_url: https://www.sec.gov/Archives/edgar/data/1091748/000110465925028799/0001104659-25-028799-index.htm

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