White Mountains Insurance Group, Ltd.(WTM)
Insurance Brokers
Reinsurance Brokers
Recent Insider Trades
| Filing Date | Insider | Type | 10b5-1 | Net Shares | Ownership change | Avg. Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| 2025-12-22 | CAMPBELL REID TARLTON Director | Sale | -5,000 | -32.38%10,440 | $2050.00 | $10,250,000 | View SEC filing | |
| 2025-12-22 | CAMPBELL REID TARLTON Director | Sale | -5,000 | -32.38%10,440 | N/A | N/A | View SEC filing | |
| 2025-12-22 | Rountree George Manning Chief Executive Officer | Sale | -5,000 | -26.58%13,809 | $2050.00 | $10,250,000 | View SEC filing | |
| 2025-12-16 | Gelston Philip A Director | Sale | -165 | -9.52%1,568 | $2048.51 | $338,004 | View SEC filing | |
| 2023-11-20 | Hicks Weston M Director | Purchase | +1,000 | +76.57%2,306 | $1480.56 | $1,480,557 | View SEC filing | |
| 2023-11-20 | Hicks Weston M Director | Purchase | +1,000 | +76.57%2,306 | $1480.56 | $1,480,557 | View SEC filing | |
| 2022-12-27 | Hildreth Michaela MD & Chief Accounting Officer | Sale | -100 | -6.40%1,463 | $1371.84 | $137,184 | View SEC filing | |
| 2022-09-22 | Carlson Peter M Director | Sale | -200 | -20.24%788 | $1400.00 | $280,000 | View SEC filing | |
| 2022-09-22 | DAVIS MORGAN W Director | Sale | -945 | -12.03%6,909 | $1400.00 | $1,323,000 | View SEC filing | |
| 2022-06-01 | Hildreth Michaela MD & Chief Accounting Officer | Sale | -100 | -6.01%1,563 | $1270.94 | $127,094 | View SEC filing | |
| 2021-02-11 | DAVIS MORGAN W Director | Sale | -1,500 | -67.72%715 | $1133.28 | $1,699,923 | View SEC filing | |
| 2020-03-25 | DAVIS MORGAN W Director | Purchase | +1,050 | +15.82%7,689 | $757.61 | $795,486 | View SEC filing | |
| 2019-12-11 | SMITH LOWNDES ANDREW Director | Sale | -200 | -15.36%1,102 | $1105.76 | $221,152 | View SEC filing | |
| 2019-08-09 | SMITH LOWNDES ANDREW Director | Sale | -1,000 | -43.44%1,302 | $1086.21 | $1,086,208 | View SEC filing | |
| 2019-06-26 | SEELIG ROBERT LAWRENCE EVP & General Counsel | Sale | -1,000 | -7.99%11,523 | $1046.09 | $1,046,093 | View SEC filing | |
| 2019-06-20 | PALMER JESS BRIAN Chief Accounting Officer | Sale | -431 | -26.60%1,189 | $1016.57 | $438,142 | View SEC filing | |
| 2019-06-10 | SMITH LOWNDES ANDREW Director | Sale | -500 | -17.84%2,302 | $1004.70 | $502,352 | View SEC filing | |
| 2019-05-10 | SEELIG ROBERT LAWRENCE EVP & General Counsel | Sale | -1,083 | -7.96%12,523 | $977.98 | $1,059,154 | View SEC filing | |
| 2019-04-25 | DAVIS MORGAN W Director | Sale | -1,250 | -29.41%3,000 | $918.22 | $1,147,770 | View SEC filing | |
| 2019-04-17 | DAVIS MORGAN W Director | Sale | -354 | -7.69%4,250 | $912.90 | $323,167 | View SEC filing | |
| 2019-04-12 | DAVIS MORGAN W Director | Sale | -997 | -17.80%4,604 | $916.14 | $913,392 | View SEC filing | |
| 2019-04-05 | DAVIS MORGAN W Director | Sale | -910 | -13.98%5,601 | $923.65 | $840,522 | View SEC filing | |
| 2019-04-02 | DAVIS MORGAN W Director | Sale | -1,214 | -15.72%6,511 | $924.40 | $1,122,226 | View SEC filing | |
| 2019-03-28 | DAVIS MORGAN W Director | Sale | -601 | -7.22%7,725 | $922.66 | $554,519 | View SEC filing | |
| 2019-03-27 | Tanner David Allen Director | Purchase | +500 | +265.96%688 | $918.45 | $459,223 | View SEC filing |
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