George Rountree Manning's most recent trade in White Mountains Insurance Group, Ltd. was a trade of 5,000 Common Shares done at an average price of $2050 . Disclosure was reported to the exchange on Dec. 19, 2025.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| White Mountains Insurance Grp Ltd | George Manning Rountree | Director, Chief Executive Officer | Sale of securities on an exchange or to another person at price $ 2050.00 per share. | 19 Dec 2025 | 5,000 | 13,809 (0%) | 0% | 2050 | 10,250,000 | Common Shares |
| White Mountains Insurance Grp Ltd | George Manning Rountree | Director, Chief Executive Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 26 Feb 2025 | 1,625 | 5,425 | - | 0 | Common Shares (restricted) | |
| White Mountains Insurance Grp Ltd | George Manning Rountree | Director, Chief Executive Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 1945.06 per share. | 01 Jan 2025 | 1,067 | 18,809 (0%) | 0% | 1945.1 | 2,075,379 | Common Shares |
| White Mountains Insurance Grp Ltd | George Rountree Manning | Director, Chief Executive Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 22 Feb 2024 | 1,800 | 6,500 | - | 0 | Common Shares (restricted) | |
| White Mountains Insurance Grp Ltd | Rountree George Manning | Director, Chief Executive Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 1505.01 per share. | 01 Jan 2024 | 1,068 | 17,176 (0%) | 0% | 1505.0 | 1,607,351 | Common Shares |
| White Mountains Insurance Grp Ltd | George Manning Rountree | Director, Chief Executive Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 22 Feb 2023 | 2,000 | 7,400 | - | 0 | Common Shares (restricted) | |
| White Mountains Insurance Grp Ltd | George Manning Rountree | Director, Chief Executive Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 1414.33 per share. | 01 Jan 2023 | 1,068 | 15,544 (0%) | 0% | 1414.3 | 1,510,504 | Common Shares |
| White Mountains Insurance Grp Ltd | George Manning Rountree | Director, Chief Executive Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 25 Feb 2022 | 2,700 | 8,100 | - | 0 | Common Shares (restricted) | |
| White Mountains Insurance Grp Ltd | George Manning Rountree | Director, Chief Executive Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 1013.90 per share. | 01 Jan 2022 | 1,187 | 13,912 (0%) | 0% | 1013.9 | 1,203,499 | Common Shares |