Rountree George Manning
White Mountains Insurance Group Ltd · Chief Executive Officer
Rountree George Manning is listed in filings as Chief Executive Officer at White Mountains Insurance Group Ltd. This profile follows SEC Form 4 activity through Dec 22, 2025, including sale activity. Recent filings connect the profile to White Mountains Insurance Group Ltd (WTM). The current snapshot covers public activity from Jan 3, 2025 to Dec 22, 2025. Reported amounts are shown as $2.1M to $10.3M. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.
Latest Trades
| Company | Value | Action | Price | Last Price |
|---|---|---|---|---|
| $10M5k shares | SellDec 19, 2025 | $2,050.00 | $2,196.48 |