---
schema_version: "secwatch.filing_event.v1"
accession: "0000776867-25-000007"
form_type: "8-K"
ticker: "WTM"
cik: "0000776867"
company_name: "WHITE MOUNTAINS INSURANCE GROUP LTD"
filed_at: "2025-05-22T23:59:59+00:00"
generated_at: "2026-05-20T19:41:43.070984+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# White Mountains shareholders approve all proposals at 2025 AGM, elect directors

## Summary
- Elected Class I directors Reid T. Campbell, Peter M. Carlson, Suzanne F. Shank to terms ending 2028.
- Advisory vote on executive compensation passed with 98% support (2,089,683 for).
- Amended and restated long-term incentive plan approved with 98% support (2,106,536 for).
- Ratified PwC as independent auditor for 2025 with 96.8% support (2,337,137 for).

## SEC filing metadata
- accession: 0000776867-25-000007
- form_type: 8-K
- ticker: WTM
- cik: 0000776867
- company_name: WHITE MOUNTAINS INSURANCE GROUP LTD
- filed_at: 2025-05-22T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/776867/000077686725000007/0000776867-25-000007-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/776867/000077686725000007/wtm-20250522.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000776867-25-000007
- JSON: https://secwatch.observer/filing/0000776867-25-000007.json
- Plain text: https://secwatch.observer/filing/0000776867-25-000007.txt

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