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$WTM All transactions

WHITE MOUNTAINS INSURANCE GROUP LTD

G

$ Value

$0

Shares

225

Price

$0

Filed

Mar 5

Insider

Name

Tanner David Allen

Title

CIK

0001318960

Roles

Director

Transaction Details

Transaction Date

2026-03-04

Code

G

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

1,879

Filing Info

Accession No.

0000776867-26-000023

Form Type

4

Issuer CIK

0000776867

Tanner David Allen's History

Date Ticker Type Value
2026-03-04 WTM G $0
2025-11-10 WTM G $0
2025-05-22 WTM A $0

Other Insiders at WTM (90d)

Insider Bought Sold Last
SEELIG ROBERT LAWRENCE
EVP & General Counsel
2026-03-19
Hildreth Michaela
MD & Chief Accounting Officer
2026-02-25
Caffrey Liam P
Chief Executive Officer
2026-02-25
Harrison Giles E
President
2026-02-25
Papamichael Michael A
Chief Financial Officer
2026-02-25