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Tanner David Allen

SEC insider (Form 3/4/5 filer). CIK 0001318960. Director at WHITE MOUNTAINS INSURANCE GROUP LTD (WTM). 5 reported Form 4/5 transactions since Sep 2024; latest on Aug 31, 2026. Located in HANOVER, NH.

Companies Tanner David Allen has filed insider reports for

  • WHITE MOUNTAINS INSURANCE GROUP LTD (WTM): Director
Tanner David Allen profile photo

Tanner David Allen

CIK: 0001318960

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (40.0%)

Compensation grants

Other (G, F, J, C, D, …)3 (60.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

WHITE MOUNTAINS INSURANCE GROUP LTD logo
WTM

WHITE MOUNTAINS INSURANCE GROUP LTD

Director

Discretionary Trading P&L

Holdings

Transaction History (5 total)

  • WHITE MOUNTAINS INSURANCE GROUP LTD logo
    WTM

    WHITE MOUNTAINS INSURANCE GROUP LTD

    Aug 31, 2026
    Gift
    Direct
    2 shares-
  • WHITE MOUNTAINS INSURANCE GROUP LTD logo
    WTM

    WHITE MOUNTAINS INSURANCE GROUP LTD

    May 21, 2026
    Award
    Direct
    135 shares-
  • WHITE MOUNTAINS INSURANCE GROUP LTD logo
    WTM

    WHITE MOUNTAINS INSURANCE GROUP LTD

    Mar 4, 2026
    Gift
    Direct
    225 shares-
  • WHITE MOUNTAINS INSURANCE GROUP LTD logo
    WTM

    WHITE MOUNTAINS INSURANCE GROUP LTD

    Nov 10, 2025
    Gift
    Direct
    4 shares-
  • WHITE MOUNTAINS INSURANCE GROUP LTD logo
    WTM

    WHITE MOUNTAINS INSURANCE GROUP LTD

    May 22, 2025
    Award
    Direct
    150 shares-

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