| Insider | WHITE MOUNTAINS INSURANCE GROUP LTD |
|---|---|
| Title | 10% Owner |
| Transaction Date | Nov 11, 2026 |
| Transaction Code | S Sale |
| Acquired/Disposed | Disposed |
| Security | Class A Common Stock |
| Direct/Indirect | Indirect |
| Nature of Ownership | See Footnote |
| Filing Date | Nov 13, 2026 |
| Shares Sold | 1,130,000 |
| Price per Share | $14.15 |
| Total Value | $15,989,500.00 |
| Shares Owned After | 11,226,223 |
| Derivative | No |
| Accession Number | 0000950157-26-001244 |
| Document | View SEC Filing |