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WHITE MOUNTAINS INSURANCE GROUP LTD
WTMCIK: 0000776867
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WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) has recorded 28 insider filings from 15 unique insiders, totaling $13.1M in trading activity (net selling). Insiders have sold $10.6M while purchasing $0. Insider sales can reflect personal financial planning rather than a bearish view — always consider the full context. The most active insider by volume is Rountree George Manning. All data sourced from SEC Form 4 filings and updated as new disclosures are filed.
Total Volume
$13.1M
Purchases
$0
Sales
$10.6M
Unique Insiders
15
Recent Insider Trades
28 loaded
| May 22 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | CAMPBELL REID TARLTON | Director | Grant | $0 |
| May 22 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Hicks Weston M | Director | Grant | $0 |
| May 22 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Chu John | Director | Other | $0 |
| May 22 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | CHOKSI MARY C | Director | Grant | $0 |
| May 22 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Gelston Philip A | Director | Grant | $0 |
| May 22 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | SHANK SUZANNE F. | Director | Grant | $0 |
| May 22 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Carlson Peter M | Director | Grant | $0 |
| May 22 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Dillon Margaret | Director | Grant | $0 |
| May 22 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Chu John | Director | Grant | $0 |
| May 22 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Tanner David Allen | Director | Grant | $0 |
| Mar 20 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | SEELIG ROBERT LAWRENCE | EVP & General Counsel | Gift | $0 |
| Mar 5 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Tanner David Allen | Director | Gift | $0 |
| Feb 27 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Caffrey Liam P | Chief Executive Officer, Director | Grant | $0 |
| Feb 27 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Harrison Giles E | President | Grant | $0 |
| Feb 27 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | SEELIG ROBERT LAWRENCE | EVP & General Counsel | Grant | $0 |
| Feb 27 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Hildreth Michaela | MD & Chief Accounting Officer | Grant | $0 |
| Feb 27 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Papamichael Michael A | Chief Financial Officer | Grant | $0 |
| Jan 5 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Hildreth Michaela | MD & Chief Accounting Officer | Other | $0 |
| Jan 2 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Caffrey Liam P | Chief Executive Officer | Other | $0 |
| Jan 2 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Papamichael Michael A | Chief Financial Officer | Other | $0 |
| Jan 2 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Papamichael Michael A | Chief Financial Officer | Other | $0 |
| Jan 2 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | SEELIG ROBERT LAWRENCE | EVP & General Counsel | Other | $0 |
| Dec 23 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Hildreth Michaela | MD & Chief Accounting Officer | Gift | $0 |
| Dec 22 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | CAMPBELL REID TARLTON | Director | Sell | $0 |
| Dec 22 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Rountree George Manning | Chief Executive Officer, Director | Sell | $10.3M |
| Dec 16 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Gelston Philip A | Director | Sell | $338.0K |
| Nov 26 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | CAMPBELL REID TARLTON | Director | Gift | $0 |
| Nov 10 | WTM WHITE MOUNTAINS INSURANCE GROUP LTD | Tanner David Allen | Director | Gift | $0 |
28 filings