---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-016753"
form_type: "8-K"
ticker: "THG"
cik: "0000944695"
company_name: "HANOVER INSURANCE GROUP, INC."
filed_at: "2023-05-02T23:59:59+00:00"
generated_at: "2026-06-16T04:28:56.274851+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Hanover posts Q1 net loss of $12.0M; operating EPS $0.13 vs $3.26 prior; combined ratio 104.4%

## Summary
- Net loss $12.0M (-$0.34/sh); operating income $4.6M ($0.13/sh) vs $117.7M ($3.26/sh) a year ago.
- Combined ratio 104.4% (catastrophes 12.7 pts); underlying ex-cat ratio 91.7% in line with expectations.
- Catastrophe losses $175.0M driven by severe freeze events in Northeast/Midwest and widespread storms.
- Net premiums written +8.3%; renewal price change: Core Commercial 11.5%, Specialty 12.6%, Personal Lines 12.7%.
- Book value per share $66.89, up 2.0% from Dec. 31, 2022; no share repurchases in quarter.

## SEC filing metadata
- accession: 0000950170-23-016753
- form_type: 8-K
- ticker: THG
- cik: 0000944695
- company_name: HANOVER INSURANCE GROUP, INC.
- filed_at: 2023-05-02T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/944695/000095017023016753/0000950170-23-016753-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/944695/000095017023016753/thg-20230502.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-016753
- JSON: https://secwatch.observer/filing/0000950170-23-016753.json
- Plain text: https://secwatch.observer/filing/0000950170-23-016753.txt

## Key facts
- Earnings Releases
  HANOVER INSURANCE GROUP, INC. reported the quarter ended March 31, 2023 results: revenue $1,380.0, net income $(12.0), EPS $(0.34) per basic share.
  - Period: the quarter ended March 31, 2023
  - Revenue: $1,380.0
  - Net income: $(12.0)
  - EPS: $(0.34) per basic share
  - Result: reported results
  source text: priorities.” Three months ended March 31 ($ in millions, except per share data) 2023 2022 Net premiums written $ 1,421.5 $ 1,312.3 Growth 8.3 % 9.7 % Net premiums earned $ 1,380.0 $ 1,263.8 Current accident year loss and LAE ratio, excluding catastrophes (3) 61.2 % 59.2 % Prior-year development ratio (0.2) % (0.5) % Catastrophe ratio 12.7 % 3.6 % Expense
  evidence_url: https://www.sec.gov/Archives/edgar/data/944695/000095017023016753/0000950170-23-016753-index.htm

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