David Allen Tanner
CIK: 0001318960
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)
- Aug 31, 2026WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
Gift(G)Direct2 shares- - May 21, 2026WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
Award(A)Direct135 shares- - Mar 4, 2026WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
Gift(G)Direct225 shares- - Nov 10, 2025WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
Gift(G)Direct4 shares- - May 22, 2025WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
Award(A)Direct150 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 31, 2026 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Gift(G) | 2 | - | $0 | Direct |
| May 21, 2026 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Award(A) | 135 | - | $0 | Direct |
| Mar 4, 2026 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Gift(G) | 225 | - | $0 | Direct |
| Nov 10, 2025 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Gift(G) | 4 | - | - | Direct |
| May 22, 2025 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Award(A) | 150 | - | - | Direct |
1-5 of 5 transactions
About Tanner David Allen
Tanner David Allen (SEC CIK 0001318960) files insider reports with the SEC as Director of WHITE MOUNTAINS INSURANCE GROUP LTD (WTM).
Signal8 holds 5 ownership filings by Tanner David Allen, all Form 4s, filed between May 23, 2025 and Aug 31, 2026. Those filings report 5 transactions, from May 22, 2025 to Aug 31, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Tanner David Allen's filings is in HANOVER, NH.
Recent filings by Tanner David Allen
Other insiders filing for WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)
- Klar Stephen, Director
- SHANK SUZANNE F., Director
- Hicks Weston M, Director
- Gelston Philip A, Director
- Dillon Margaret, Director
- Chu John, Director