Form 4 for WTM WHITE MOUNTAINS INSURANCE GROUP LTD
Accepted 2026-08-31 17:04:16 ET · period of report 2026-08-31 · accession 0000776867-26-000051 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-31 17:04 | 2026-08-31 | WTM | Tanner David Allen | Dir | G - Gift | $0.00 | -2 | 2,012 | -0.1% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Shares | 2026-08-31 | G | D | 2 | $0.00 | 2,012 | D | — | — |