Dillon Margaret (CIK 1787371) reported 3 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-22). Recent activity: Buy WTM (135 shares), Buy GWRE (1,196 shares), Buy WTM (150 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-22 | WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) | Director | Buy | 135 | $0 |
| 2025-12-16 | Guidewire Software, Inc. (GWRE) | Director | Buy | 1,196 | $0 |
| 2025-05-23 | WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) | Director | Buy | 150 | $0 |
Source: SEC Form 4 filings · as of 2026-05-22