Form 4 for WTM WHITE MOUNTAINS INSURANCE GROUP LTD
Accepted 2026-01-05 00:00:00 ET · period of report 2026-01-01 · accession 0000776867-26-000010 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-01-05 | 2026-01-01 | WTM | Hildreth Michaela | CAO, MD | F - Tax | $2,078.03 | -274 | 2,491 | -10% | -$569.4K |
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 | 2026-01-01 | F | D | 274 | $2,078.03 | 2,491 | D | — | — | (F1) On January 1, 2026, 600 restricted Common Shares became unrestricted. 274 of the Common Shares were withheld by the Company to satisfy the Reporting Person's tax obligations. |