Rountree George Manning
- SEC CIK
- 0001457475
In the past year, 1 open-market sale filing worth $10.3M and no purchases.
Current role at each company
- WTM White Mountains Insurance Group LtdChief Executive Officeras of Dec 22, 2025
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $10.3M
- 1 filing
- Net
- −$10.3M
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Rountree George Manning as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 22, 2025 (view filing) | Dec 19 | 3 days | Rountree George ManningChief Executive Officer | SSale | −5.00K | $2,050.00 | −$10.3M | −26.6%13.8K after |