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White Mountains Insurance Group Ltd. Chief Financial Officer, a reporting officer and insider of the company, reported a routine equity transaction. On January 1, 2026, 400 restricted common shares became unrestricted. To cover tax obligations related to this vesting, 131 common shares were withheld by the company, coded as an "F" transaction for tax withholding. After this event, the reporting person beneficially owns 772 common shares directly, 700 restricted common shares directly, and 12 common shares indirectly through the White Mountains Retirement Plan.
White Mountains Insurance Group Ltd reported the initial holdings of its Chief Financial Officer in a Form 3 dated as of 01/01/2026. The filing shows direct ownership of 503 Common Shares and 1,100 Common Shares (Restricted), as well as indirect ownership of 12 Common Shares held through the White Mountains Retirement Plan. The indirect position is based on a plan report dated as of December 22, 2025.
White Mountains Insurance Group executive vice president and general counsel reported changes in his holdings of the company’s common shares. On January 1, 2026, 1,000 restricted common shares became unrestricted, and 398 of those shares were withheld by the company to cover tax obligations at a reported value of $2,078.03. Following this transaction, he beneficially owns 17,907 common shares directly, 1,725 restricted common shares directly, 4 common shares indirectly through his wife and dependent children, and 583 common shares indirectly through the White Mountains Retirement Plan, which includes an accumulation of 3 shares since his prior report as of a plan statement dated December 22, 2025.
White Mountains Insurance Group Chief Executive Officer Wesley C. Bell reported changes in his shareholdings in the company. On January 1, 2026, 1,250 restricted common shares became unrestricted, and 425 common shares were withheld by the company to cover his tax obligations at a reported price of $2,078.03. After this transaction, he directly held 1,655 restricted common shares and 2,150 common shares, and indirectly held 8 common shares through the WTM Retirement Plan. The filing is made by a single reporting person in his capacity as Chief Executive Officer.
White Mountains Insurance Group, Ltd. has filed Amendment No. 2 to its issuer tender offer statement, serving as the final amendment reporting the results of its completed self‑tender offer. The offer sought to purchase up to $300 million in value of its issued and outstanding common shares at prices between $1,850 and $2,050 per share, payable in cash, less any applicable withholding taxes and without interest. The amendment notes that, on December 24, 2025, the company issued a press release announcing the final results of the offer, which is included as an exhibit.
White Mountains Insurance Group Ltd. executive Wesley C. Bell, the MD & Chief Accounting Officer, reported a stock transaction dated December 23, 2025. He disposed of 60 common shares, coded as a "G" transaction, at a reported price of $0, indicating a gift or similar transfer. Following this activity, he beneficially owns 2,165 common shares directly, plus 1,825 restricted common shares directly and 20 common shares held indirectly through a 401(k) account. An accompanying note explains that the 401(k) position reflects the accumulation of 2 common shares in his company retirement account based on a plan report dated December 22, 2025.
White Mountains Insurance Group Ltd director reported a stock sale of company shares. On 12/19/2025, the reporting person sold 5,000 common shares in a transaction coded "S" (sale) at a price of $2,050 per share. After this sale, the director beneficially owned 10,440 common shares directly. In addition, 119 common shares were held indirectly through a 401(k) plan. The filing is submitted as a Form 4/A amendment for an earlier report dated 12/22/2025 and reflects the director’s updated ownership position.
White Mountains Insurance Group Ltd. reported an insider share transaction by a company director. On 12/19/2025, the reporting person sold 5,000 common shares of the company, coded as a sale transaction. The reported sale price per share is $0. Following this transaction, the director beneficially owns 10,440 common shares directly and an additional 119 shares indirectly through a 401(k) plan. The filing is made by a single reporting person who serves as a director of White Mountains Insurance Group Ltd.
White Mountains Insurance Group's chief executive officer and director reported an insider sale of 5,000 common shares on 12/19/2025 at a price of $2,050 per share. Following this transaction, the insider directly owned 13,809 common shares and 5,425 restricted common shares, plus 122 common shares held indirectly through a 401(k) account. The 401(k) balance reflects the accumulation of 2 additional common shares based on a plan report dated as of December 20, 2025.
White Mountains Insurance Group, Ltd. has filed an amendment to its issuer tender offer for its common shares. The company is offering to repurchase up to $300 million of its outstanding shares for cash at a price not greater than $2,050 nor less than $1,850 per share, subject to the terms in the Offer to Purchase and Letter of Transmittal. The amendment notes that the offer expired at 12:00 midnight, New York City time, on December 19, 2025, and that the company issued a press release on December 22, 2025 announcing preliminary results of the offer, which is included as a new exhibit.