---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-304948"
form_type: "8-K"
ticker: "THG"
cik: "0000944695"
company_name: "HANOVER INSURANCE GROUP, INC."
filed_at: "2026-07-15T21:13:55+00:00"
generated_at: "2026-07-15T21:16:11.019438+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Hanover Insurance CEO John C. Roche to retire Dec 31, 2026; COO Richard W. Lavey named CEO-Elect

## Summary
- John C. Roche, 62, will retire as President and CEO and from the Board effective Dec 31, 2026, after a 40-year career.
- Richard W. Lavey, 59, appointed CEO-Elect; expected to become CEO on Jan 1, 2027 and join the Board.
- Lavey has been COO since March 2025 and previously led Hanover Agency Markets, which represents 75% of $7B gross premiums.
- Roche will remain an employee in an advisory capacity through Jan 8, 2027; retirement not related to any disagreement.
- Company plans to discuss strategy at investor day on Sep 17, 2026 and next earnings call on Jul 29, 2026.

## SEC filing metadata
- accession: 0001193125-26-304948
- form_type: 8-K
- ticker: THG
- cik: 0000944695
- company_name: HANOVER INSURANCE GROUP, INC.
- filed_at: 2026-07-15T21:13:55+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/944695/000119312526304948/0001193125-26-304948-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/944695/000119312526304948/d160982d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-304948
- JSON: https://secwatch.observer/filing/0001193125-26-304948.json
- Plain text: https://secwatch.observer/filing/0001193125-26-304948.txt

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