Stocktoria
WHITE MOUNTAINS INSURANCE GROUP LTD WTM
NYSE · XNYS · stock · Fire, Marine & Casualty Insurance · website · IPO 1985-10-23
WHITE MOUNTAINS INSURANCE GROUP LTD insider transactions (Form 4)
| Insider | Role | Date | Action | Shares | Price |
|---|---|---|---|---|---|
| Tanner David Allen | director | 2026-05-21 | Grant | 135 | — |
| SHANK SUZANNE F. | director | 2026-05-21 | Grant | 135 | — |
| Hicks Weston M | director | 2026-05-21 | Grant | 190 | — |
| Gelston Philip A | director | 2026-05-21 | Grant | 135 | — |
| Dillon Margaret | director | 2026-05-21 | Grant | 135 | — |
| Chu John | director | 2026-05-21 | Grant | 135 | — |
| CHOKSI MARY C | director | 2026-05-21 | Grant | 135 | — |
| Carlson Peter M | director | 2026-05-21 | Grant | 135 | — |
Source: SEC EDGAR filings · CIK 0000776867 · as of 2025-12-31. Facts from filings plus Stocktoria's own computed scores — not investment advice.