George Manning Rountree

Insider Reports History

Location
Hanover, NH
Signature
Wesley C. Bell, by Power of Attorney
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by George Manning Rountree:

Company Role Class Num Shares Value Price $ Report Date Ownership
WHITE MOUNTAINS INSURANCE GROUP LTD Chief Executive Officer, Director Common Shares 13,809 $28,308,450 $2050.00 19 Dec 2025 Direct
WHITE MOUNTAINS INSURANCE GROUP LTD Chief Executive Officer, Director Common Shares 122 $229,556 $1881.61 19 Dec 2025 by 401(k)
WHITE MOUNTAINS INSURANCE GROUP LTD Chief Executive Officer, Director Common Shares (restricted) 5,425 19 Dec 2025 Direct

Insider Reports Filed by George Manning Rountree

Symbol Company Period Transactions Value $ Form Type Role Filing Time
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 19 Dec 2025 1 -$10,250,000 4 Chief Executive Officer, Director 22 Dec 2025, 10:13
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 26 Feb 2025 1 $0 4 Chief Executive Officer, Director 28 Feb 2025, 09:33
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 01 Jan 2025 1 -$2,075,379 4 Chief Executive Officer, Director 03 Jan 2025, 09:23
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 22 Feb 2024 1 $0 4 Chief Executive Officer, Director 23 Feb 2024, 21:28
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 01 Jan 2024 1 -$1,607,351 4 Chief Executive Officer, Director 02 Jan 2024, 12:01
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 22 Feb 2023 1 $0 4 Chief Executive Officer, Director 24 Feb 2023, 08:01
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 01 Jan 2023 1 -$1,510,504 4 Chief Executive Officer, Director 03 Jan 2023, 13:14
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 25 Feb 2022 1 $0 4 Chief Executive Officer, Director 28 Feb 2022, 12:24
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 01 Jan 2022 1 -$1,203,499 4 Chief Executive Officer, Director 04 Jan 2022, 19:59