CAMPBELL REID TARLTON 4
4 · WHITE MOUNTAINS INSURANCE GROUP LTD · Filed Nov 26, 2025
Insider Transaction Report
Form 4
CAMPBELL REID TARLTON
Managing Director & President
Transactions
- Gift
Common Shares
2025-11-25−50→ 15,440 total
Holdings
- 119(indirect: By 401(k))
Common Shares