---
schema_version: "secwatch.filing_event.v1"
accession: "0001096343-23-000222"
form_type: "8-K"
ticker: "MKL"
cik: "0001096343"
company_name: "MARKEL GROUP INC."
filed_at: "2023-12-18T23:59:59+00:00"
generated_at: "2026-06-07T11:08:57.089709+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Markel Group appoints Brian Costanzo as CFO; Meade Grandis named CAO effective Dec 18, 2023

## Summary
- CFO Teresa Gendron departing Dec 31, 2023; mutual agreement, no disagreement with financial controls or policies.
- Brian Costanzo appointed CFO of Markel Group and continues as CFO of Markel insurance business.
- Meade Grandis named Chief Accounting Officer and Controller; 13 years at company.
- Costanzo employment agreement: $500k base salary, target bonus 100% of base, equity target 100% of base.
- Grandis compensation: $265k base salary, target bonus 65% of base, equity target 35% of base.

## SEC filing metadata
- accession: 0001096343-23-000222
- form_type: 8-K
- ticker: MKL
- cik: 0001096343
- company_name: MARKEL GROUP INC.
- filed_at: 2023-12-18T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1096343/000109634323000222/0001096343-23-000222-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1096343/000109634323000222/mkl-20231218.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001096343-23-000222
- JSON: https://secwatch.observer/filing/0001096343-23-000222.json
- Plain text: https://secwatch.observer/filing/0001096343-23-000222.txt

## Key facts
- Executive change
  Meade P. Grandis was appointed as Chief Accounting Officer at MARKEL GROUP INC..
  - Action: appointed
  - Role: Chief Accounting Officer
  source text: Meade P. Grandis, Managing Director, Accounting Policy and Reporting, has been appointed by the Board to serve as Chief Accounting Officer, effective December 18, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1096343/000109634323000222/0001096343-23-000222-index.htm
- Executive change
  Brian J. Costanzo was appointed as Chief Financial Officer at MARKEL GROUP INC..
  - Action: appointed
  - Role: Chief Financial Officer
  source text: Brian J. Costanzo, Senior Vice President, Finance, Chief Accounting Officer and Controller, has been appointed by the Company’s Board of Directors (the Board) to serve as Chief Financial Officer, effective December 18, 2023;
  evidence_url: https://www.sec.gov/Archives/edgar/data/1096343/000109634323000222/0001096343-23-000222-index.htm
- Executive change
  Teresa S. Gendron departed as Chief Financial Officer at MARKEL GROUP INC..
  - Action: mutually agreed on a departure date
  - Role: Chief Financial Officer
  source text: On December 14, 2023, Teresa S. Gendron, Chief Financial Officer, and the Company mutually agreed on a departure date of December 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1096343/000109634323000222/0001096343-23-000222-index.htm

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