SEELIG ROBERT LAWRENCE 4
4 · WHITE MOUNTAINS INSURANCE GROUP LTD · Filed Jan 2, 2026
Insider Transaction Report
Form 4
SEELIG ROBERT LAWRENCE
EVP & General Counsel
Transactions
- Tax Payment
Common Shares
2026-01-01$2078.03/sh−398$827,056→ 17,907 total
Holdings
- 1,725
Common Shares (restricted)
- 4(indirect: By Spouse)
Common Shares
- 583(indirect: By WTM Retirement Plan)
Common Shares
Footnotes (2)
- [F1]On January 1, 2026, 1,000 restricted Common Shares became unrestricted. 398 of the Common Shares were withheld by the Company to satisfy the Reporting Person's tax obligations.
- [F2]Reflects accumulation of 3 Common Shares in Reporting Person's White Mountains Retirement account since his last filed report. The information in this report is based on a plan report dated as of December 22, 2025.