Rountree George Manning
SEC CIK 1457475 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| WTM | WHITE MOUNTAINS INSURANCE GROUP LTD | CEO, Dir | 13.8K | — | $10.25M | 9 | 2022-01-01 | 2025-12-19 |
Most active insiders at WTM, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Rountree George Manning | CEO, Dir | — | $10.25M |
| 2 | CAMPBELL REID TARLTON | Dir | — | $10.25M |
| 3 | Gelston Philip A | Dir | — | $338.0K |
| 4 | Chu John | Dir | — | — |
| 5 | Papamichael Michael A | CFO | — | — |
| 6 | Harrison Giles E | Pres | — | — |
| 7 | Caffrey Liam P | CEO, Dir | — | — |
| 8 | Hildreth Michaela | CAO, MD | — | — |
| 9 | Dillon Margaret | Dir | — | — |
| 10 | SHANK SUZANNE F. | Dir | — | — |
Transactions 9
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-22 | 2025-12-19 | WTM | WHITE MOUNTAINS INSURANCE GROUP LTD | Rountree George Manning | CEO, Dir | S - Sale | $2,050.00 | -5,000 | 13.8K | -27% | -$10.25M | |
| 2025-02-28 | 2025-02-26 | WTM | WHITE MOUNTAINS INSURANCE GROUP LTD | Rountree George Manning | CEO, Dir | A - Grant | $0.00 | +1,625 | 5,425 | +43% | $0 | |
| 2025-01-03 | 2025-01-01 | WTM | WHITE MOUNTAINS INSURANCE GROUP LTD | Rountree George Manning | CEO, Dir | F - Tax | $1,945.06 | -1,067 | 18.8K | -5% | -$2.08M | |
| 2024-02-23 | 2024-02-22 | WTM | WHITE MOUNTAINS INSURANCE GROUP LTD | Rountree George Manning | CEO, Dir | A - Grant | $0.00 | +1,800 | 6,500 | +38% | $0 | |
| 2024-01-02 | 2024-01-01 | WTM | WHITE MOUNTAINS INSURANCE GROUP LTD | Rountree George Manning | CEO, Dir | F - Tax | $1,505.01 | -1,068 | 17.2K | -6% | -$1.61M | |
| 2023-02-24 | 2023-02-22 | WTM | WHITE MOUNTAINS INSURANCE GROUP LTD | Rountree George Manning | CEO, Dir | A - Grant | $0.00 | +2,000 | 7,400 | +37% | $0 | |
| 2023-01-03 | 2023-01-01 | WTM | WHITE MOUNTAINS INSURANCE GROUP LTD | Rountree George Manning | CEO, Dir | F - Tax | $1,414.33 | -1,068 | 15.5K | -6% | -$1.51M | |
| 2022-02-28 | 2022-02-25 | WTM | WHITE MOUNTAINS INSURANCE GROUP LTD | Rountree George Manning | CEO, Dir | A - Grant | $0.00 | +2,700 | 8,100 | +50% | $0 | |
| 2022-01-04 | 2022-01-01 | WTM | WHITE MOUNTAINS INSURANCE GROUP LTD | Rountree George Manning | CEO, Dir | F - Tax | $1,013.90 | -1,187 | 13.9K | -8% | -$1.20M |
Purchase Sale Sale after option exercise All abbreviations