Chu John
SEC CIK 2132220 · EDGAR
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| WTM | WHITE MOUNTAINS INSURANCE GROUP LTD | Dir | 335 | — | — | 1 | 2026-05-21 | 2026-05-21 |
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 1
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-22 10:32 | 2026-05-21 | WTM | WHITE MOUNTAINS INSURANCE GROUP LTD | Chu John | Dir | A - Grant | $0.00 | +135 | 335 | +68% | $0 |
Purchase Sale Sale after option exercise All abbreviations