Robert Lawrence Seelig - 25 Feb 2026 Form 4 Insider Report for WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)

Role
EVP & General Counsel
Signature
Wesley C. Bell, by Power of Attorney
Issuer symbol
WTM
Transactions as of
25 Feb 2026
Net transactions value
$0
Form type
4
Filing time
27 Feb 2026, 11:17:30 UTC
Previous filing
02 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
SEELIG ROBERT LAWRENCE EVP & General Counsel C/O WHITE MOUNTAINS INSURANCE GROUP, LTD, 23 SOUTH MAIN STREET, SUITE 3B, HANOVER Wesley C. Bell, by Power of Attorney 25 Feb 2026 0001188198

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WTM Common Shares (restricted) Award $0 +775 +45% $0.000000 2,500 25 Feb 2026 Direct F1
holding WTM Common Shares 17,907 25 Feb 2026 Direct
holding WTM Common Shares 4 25 Feb 2026 by wife and dependent children
holding WTM Common Shares 583 25 Feb 2026 By WTM Retirement Plan
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On February 25, 2026, the Reporting Person received a restricted share award of 775 Common Shares, which vests on January 1, 2029.