Klar Stephen (CIK 1538108) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-27). Recent activity: Buy WTM (113 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-27 | WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) | Director | Buy | 113 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-08-27