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$WTM All transactions

WHITE MOUNTAINS INSURANCE GROUP LTD

▼ SELL

$ Value

$10.2M

Shares

5,000

Price

$2K

Filed

Dec 22

Insider

Name

Rountree George Manning

Title

Chief Executive Officer

CIK

0001457475

Roles

Director Officer

Transaction Details

Transaction Date

2025-12-19

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

13,809

Footnotes

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.

Filing Info

Accession No.

0000776867-25-000029

Form Type

4

Issuer CIK

0000776867

Rountree George Manning's History

Date Ticker Type Value
2025-12-19 WTM $10.2M

Other Insiders at WTM (90d)

No other insider activity at this issuer in the last 90 days.