REID TARLTON CAMPBELL

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 REID TARLTON CAMPBELL:

Company Role Class Num Shares Value Price $ Report Date Ownership
WHITE MOUNTAINS INSURANCE GROUP LTD Director Common Shares 10,440 $21,402,000 $2,050 19 Dec 2025 Direct
WHITE MOUNTAINS INSURANCE GROUP LTD Director Common Shares 119 $225,150 $1,892.02 19 Dec 2025 by 401(k)

Insider Reports Filed by REID TARLTON CAMPBELL

Symbol Company Period Transactions Value $ Form Type Role Filing Time
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 19 Dec 2025 1 -$10,250,000 4/A Director 22 Dec 2025, 16:51
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 25 Nov 2025 1 $0 4 Director 26 Nov 2025, 10:25
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 22 May 2025 1 $0 4 Director 23 May 2025, 19:08
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 23 May 2024 1 $0 4 Director 24 May 2024, 12:13
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 21 Mar 2024 1 $0 4 Director 21 Mar 2024, 11:36
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 22 Feb 2024 1 $0 4 Director 23 Feb 2024, 21:26
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 01 Jan 2024 1 -$1,068,557 4 President 02 Jan 2024, 12:00
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 01 Jan 2023 1 -$1,004,174 4 President 03 Jan 2023, 13:13
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 01 Jun 2022 1 $0 4 President 02 Jun 2022, 11:06
WTM WHITE MOUNTAINS INSURANCE GROUP LTD 01 Jan 2022 1 -$811,120 4 EVP & Chief Financial Officer 04 Jan 2022, 19:59