Insider · CIK 0001318960
David Allen Tanner
Files at: WTM, NBN. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 31, 2026 GForm 4 → | Aug 31, 5:04 pm EDT | WHITE MOUNTAINS INSURANCE GROUP LTDWTM | 2 | — | — | 2,012 | — |
Reported trades — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.