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$WTM All transactions

WHITE MOUNTAINS INSURANCE GROUP LTD

A

$ Value

$0

Shares

775

Price

$0

Filed

Feb 27

Insider

Name

Harrison Giles E

Title

President

CIK

0002019288

Roles

Officer

Transaction Details

Transaction Date

2026-02-25

Code

A

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

2,675

Footnotes

On February 25, 2026, the Reporting Person received a restricted share award of 775 Common Shares, which vests on January 1, 2029. | 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 February 25, 2026.

Filing Info

Accession No.

0000776867-26-000020

Form Type

4

Issuer CIK

0000776867

Harrison Giles E's History

Date Ticker Type Value
2026-02-25 WTM A $0

Other Insiders at WTM (90d)

Insider Bought Sold Last
SEELIG ROBERT LAWRENCE
EVP & General Counsel
2026-02-25
Tanner David Allen 2026-03-04
Hildreth Michaela
MD & Chief Accounting Officer
2026-02-25
Caffrey Liam P
Chief Executive Officer
2026-02-25
Papamichael Michael A
Chief Financial Officer
2026-02-25