WTM
UNKNOWNWHITE MOUNTAINS INSURANCE GROUP LTD
CIK: 0000776867
Strong Sell
(50% confidence)
Last activity: Dec 19, 2025
Financial Metrics
As of Jun 30, 2016 (10-K)
Revenue $48.40M
Total Cash $251.90M
Insider Roster (3 total, 3 active)
| Insider | Buys | Sells | Net Value | Holdings |
|---|---|---|---|---|
| Rountree George Manning Chief Executive Officer | 0 | 1 | -$10.25M | 13,809 shares $28.31M |
| CAMPBELL REID TARLTON DIRECTOR | 0 | 2 | -$10.25M | 10,440 shares $21.40M |
| Gelston Philip A DIRECTOR | 0 | 1 | -$338K | 1,568 shares $3.21M |
Recent Transactions
SELL Rountree George Manning (Chief Executive Officer)
5,000 shares @ $2050.00
$10.25M
Dec 19, 2025
Conviction: |
View SEC Filing →
SELL CAMPBELL REID TARLTON (DIRECTOR)
5,000 shares @ $2050.00
$10.25M
Dec 19, 2025
Conviction: |
View SEC Filing →
SELL CAMPBELL REID TARLTON (DIRECTOR)
5,000 shares
$0
Dec 19, 2025
Conviction: |
View SEC Filing →
SELL Gelston Philip A (DIRECTOR)
165 shares @ $2048.51
$338K
Dec 16, 2025
Conviction: |
View SEC Filing →
⚠️ Important Disclaimer
• This is AI-generated analysis for educational purposes only, not financial advice.
• Insider trading data is derived from SEC Form 4 filings and may contain errors.
• Always conduct your own research and consult qualified financial advisors before making investment decisions.