Bruce R. Berkowitz serves as Executive at WHITE MOUNTAINS INSURANCE GROUP LTD, where they oversee executive responsibilities. Since joining the company, Bruce R. Berkowitz has executed 1041 insider transactions totaling $550.7M, demonstrating a bullish approach to their equity position. Their most recent transaction on Feb 20, 2026 involved selling 1,000 shares valued at $71.5K.
Bruce R. Berkowitz currently holds 16,135,124 shares of WHITE MOUNTAINS INSURANCE GROUP LTD (WTM), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Bruce R. Berkowitz has been a net buyer of WTM stock. They have purchased $287.8M and sold $262.9M worth of shares.
Bruce R. Berkowitz's most recent insider trade was on Feb 20, 2026, when they sold 1,000 shares at $71.51 per share.
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| $71.01 |
| Discretionary |
| Feb 18, 2026 | JOE | $791.1K | Sale | 11,100 | $71.27 | Discretionary |
| Dec 17, 2025 | JOE | $378.2K | Sale | 6,100 | $62.00 | Discretionary |
| Dec 16, 2025 | JOE | $422.8K | Sale | 6,800 | $62.18 | Discretionary |
| Dec 15, 2025 | JOE | $3.7M | Sale | 59,000 | $62.37 | Discretionary |
| Sep 5, 2025 | JOE | $5.3M | Sale | 104,100 | $51.08 | Discretionary |
| Aug 19, 2025 | JOE | $1.5M | Sale | 29,000 | $50.17 | Discretionary |
| Aug 15, 2025 | JOE | $1.3M | Sale | 26,000 | $50.31 | Discretionary |
| Aug 14, 2025 | JOE | $2.2M | Sale | 44,000 | $50.72 | Discretionary |
| Aug 13, 2025 | JOE | $8.6M | Sale | 167,500 | $51.44 | Discretionary |
| Aug 12, 2025 | JOE | $7.0M | Sale | 139,100 | $50.57 | Discretionary |
| Aug 27, 2024 | JOE | $66.0K | Sale | 1,100 | $60.00 | Discretionary |
| Aug 26, 2024 | JOE | $5.9M | Sale | 97,200 | $60.34 | Discretionary |
| Aug 23, 2024 | JOE | $3.3M | Sale | 54,100 | $60.39 | Discretionary |
| Mar 4, 2024 | JOE | $396.2K | Sale | 7,300 | $54.28 | Discretionary |
| Mar 1, 2024 | JOE | $4.8M | Sale | 88,700 | $54.03 | Discretionary |
| Feb 29, 2024 | JOE | $145.9K | Sale | 2,700 | $54.05 | Discretionary |
| Feb 28, 2024 | JOE | $167.5K | Sale | 3,100 | $54.04 | Discretionary |
| Aug 31, 2023 | JOE | $0 | Other | 348,267 | $N/A | Discretionary |
| Aug 17, 2023 | JOE | $177.0K | Sale | 2,900 | $61.02 | Discretionary |
| Aug 16, 2023 | JOE | $1.9M | Sale | 30,900 | $61.15 | Discretionary |
| Aug 15, 2023 | JOE | $1.9M | Sale | 31,200 | $61.11 | Discretionary |
| Jun 5, 2023 | JOE | $763.8K | Sale | 16,600 | $46.01 | Discretionary |
| Jun 2, 2023 | JOE | $8.5M | Sale | 183,000 | $46.39 | Discretionary |
| Jun 1, 2023 | JOE | $200.6K | Sale | 4,300 | $46.66 | Discretionary |
| Mar 17, 2022 | JOE | $551.4K | Sale | 10,300 | $53.53 | Discretionary |
| Mar 16, 2022 | JOE | $359.2K | Sale | 6,700 | $53.61 | Discretionary |
| Mar 15, 2022 | JOE | $58.9K | Sale | 1,100 | $53.50 | Discretionary |
| Mar 11, 2022 | JOE | $833.0K | Sale | 15,400 | $54.09 | Discretionary |