---
schema_version: "secwatch.filing_event.v1"
accession: "0001096343-21-000129"
form_type: "8-K"
ticker: "MKL"
cik: "0001096343"
company_name: "MARKEL GROUP INC."
filed_at: "2021-08-20T23:59:59+00:00"
generated_at: "2026-06-29T08:34:14.706382+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Markel designates Brian Costanzo as principal accounting officer; Noble remains CFO

## Summary
- Brian Costanzo appointed principal accounting officer effective Aug 18, 2021; previously CAO/Controller since June 28, 2021.
- CFO Jeremy Noble continues as principal financial officer but relinquishes principal accounting officer role.
- Costanzo receives $260,000 base salary, annual cash incentive target of 75% of bonusable comp, equity target of 50%.
- Costanzo has ~20 years of insurance/financial services experience; no material related-party transactions or family ties.

## SEC filing metadata
- accession: 0001096343-21-000129
- form_type: 8-K
- ticker: MKL
- cik: 0001096343
- company_name: MARKEL GROUP INC.
- filed_at: 2021-08-20T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1096343/000109634321000129/0001096343-21-000129-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1096343/000109634321000129/mkl-20210818.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001096343-21-000129
- JSON: https://secwatch.observer/filing/0001096343-21-000129.json
- Plain text: https://secwatch.observer/filing/0001096343-21-000129.txt

## Key facts
- Executive change
  Jeremy A. Noble changed role as Senior Vice President and Chief Financial Officer at MARKEL GROUP INC..
  - Action: relinquished
  - Role: Senior Vice President and Chief Financial Officer
  source text: Mr. Noble will continue to serve as the Company's principal financial officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1096343/000109634321000129/0001096343-21-000129-index.htm
- Executive change
  Brian J. Costanzo was appointed as Principal Accounting Officer at MARKEL GROUP INC..
  - Action: designated
  - Role: Principal Accounting Officer
  source text: as well as the designation of the Company’s principal accounting officer, from Jeremy A. Noble, the Company’s Senior Vice President and Chief Financial Officer, to Brian J. Costanzo, the Company's Chief Accounting Officer and Controller.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1096343/000109634321000129/0001096343-21-000129-index.htm

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