Form 4 for WTM WHITE MOUNTAINS INSURANCE GROUP LTD
Accepted 2025-12-22 00:00:00 ET · period of report 2025-12-19 · accession 0000776867-25-000030 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-22 | 2025-12-19 | WTM | CAMPBELL REID TARLTON | Dir | S - Sale | $0.00 | -5,000 | 10.4K | -32% | $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 | 2025-12-19 | S | D | 5,000 | $0.00 | 10,440 | D | — | — |