CAMPBELL REID TARLTON
SEC insider (Form 3/4/5 filer). CIK 0001378156. Director at WHITE MOUNTAINS INSURANCE GROUP LTD (WTM). 5 reported Form 4/5 transactions since Sep 2024; latest on May 21, 2026. Located in HANOVER, NH.
Companies CAMPBELL REID TARLTON has filed insider reports for
- WHITE MOUNTAINS INSURANCE GROUP LTD (WTM): Director
CAMPBELL REID TARLTON
CIK: 0001378156
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
WHITE MOUNTAINS INSURANCE GROUP LTD
Discretionary Trading P&L
Holdings
Transaction History (5 total)
- May 21, 2026WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
AwardDirect135 shares- - Dec 19, 2025WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
SaleDirect5K shares at avg. $2050.00$10.3M - Dec 19, 2025WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
SaleDirect5K shares- - Nov 25, 2025WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
GiftDirect50 shares- - May 22, 2025WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
AwardDirect150 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 21, 2026 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Award | 135 | - | $0 | Direct |
| Dec 19, 2025 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Sale | 5,000 | $2050.00 | $10,250,000 | Direct |
| Dec 19, 2025 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Sale | 5,000 | - | - | Direct |
| Nov 25, 2025 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Gift | 50 | - | - | Direct |
| May 22, 2025 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Award | 150 | - | - | Direct |
1-5 of 5 transactions