4//SEC Filing
Rountree George Manning 4
Accession 0000776867-25-000029
CIK 0000776867other
Filed
Dec 21, 7:00 PM ET
Accepted
Dec 22, 10:13 AM ET
Size
6.4 KB
Accession
0000776867-25-000029
Insider Transaction Report
Form 4
Rountree George Manning
Managing Director
Transactions
- Sale
Common Shares
2025-12-19$2050.00/sh−5,000$10,250,000→ 13,809 total
Holdings
- 5,425
Common Shares (restricted)
- 122(indirect: By 401(k))
Common Shares
Footnotes (1)
- [F1]Reflects accumulation of 2 Common Shares in Reporting Person's Company retirement account since his last filed report. The information in this report is based on a plan report dated as of December 20, 2025.
Issuer
WHITE MOUNTAINS INSURANCE GROUP LTD
CIK 0000776867
Entity typeother
Related Parties
1- filerCIK 0001457475
Filing Metadata
- Form type
- 4
- Filed
- Dec 21, 7:00 PM ET
- Accepted
- Dec 22, 10:13 AM ET
- Size
- 6.4 KB