White Mountains Insurance Group Ltd. filings document the formal disclosures of a Bermuda-incorporated insurance and financial-services holding company with common shares listed on the New York Stock Exchange and the Bermuda Stock Exchange. The record includes 8-K reports on operating results, non-GAAP reconciliations, capital deployment, acquisitions, dispositions and reinsurance arrangements.
Filings also cover proxy governance, annual meeting matters, capital structure and shareholder actions, including share repurchase and tender-offer disclosures. Company-specific exhibits and pro forma materials describe transactions involving White Mountains Partners, Ark/WM Outrigger, Kudu, Distinguished and the completed sale of Bamboo, alongside risk and financial disclosures tied to insurance, reinsurance, investment portfolio performance and capital management.
Hicks Weston M reported acquisition or exercise transactions in this Form 4 filing.
WHITE MOUNTAINS INSURANCE GROUP LTD director Weston M. Hicks received a grant of 190 Common Shares as an annual chairman share award. The shares were awarded at a price of $0.00 per share, indicating they were compensation rather than a market purchase. Following this award, Hicks directly holds 2,936 Common Shares of the company. The filing reflects a routine equity compensation grant to a director, with no open-market buying or selling activity disclosed.
WHITE MOUNTAINS INSURANCE GROUP LTD director Philip A. Gelston received an annual director share award of 135 common shares on May 21, 2026. The shares were granted at a stated price of $0.00 per share as equity compensation, not a market purchase.
Following this award, Gelston directly holds 1,703 common shares. This Form 4 reflects a routine grant/award acquisition rather than an open‑market buy or sale.
Dillon Margaret reported acquisition or exercise transactions in this Form 4 filing.
WHITE MOUNTAINS INSURANCE GROUP LTD director Margaret Dillon received an annual share award of 135 Common Shares. The grant was recorded at a price of $0.00 per share as compensation, not a market purchase. Following this award, her direct holdings total 1,080 Common Shares.
Chu John reported acquisition or exercise transactions in this Form 4 filing.
WHITE MOUNTAINS INSURANCE GROUP LTD director John Chu received an award of 135 Common Shares as part of an Annual Director Share Award on May 21, 2026. The shares were granted at no cost and are a compensation-related issuance rather than an open-market purchase or sale.
Following this grant, Chu directly holds 335 Common Shares of the company.
WHITE MOUNTAINS INSURANCE GROUP LTD director John Chu has filed an initial ownership report on Form 3. The filing shows that he beneficially owns 200 common shares directly after the reported event. The document does not reflect any recent purchase or sale activity, only his starting stake as an insider.
WHITE MOUNTAINS INSURANCE GROUP LTD director Mary C. Choksi received an Annual Director Share Award of 135 Common Shares on May 21, 2026. The shares were granted at $0.00 per share as equity compensation, not as an open-market purchase.
Following this award, Choksi directly holds 1,993 Common Shares of the company. The filing does not show any sales or option exercises, only this routine grant classified as a “grant, award, or other acquisition.”
WHITE MOUNTAINS INSURANCE GROUP LTD director Peter M. Carlson received an annual director share award in the form of 135 Common Shares on May 21, 2026. The shares were granted at a price of $0.00 per share as compensation, not as an open-market purchase.
Following this award, Carlson directly holds 852 Common Shares of the company. The filing reports no derivative securities and no sales or disposals, only this grant/award acquisition.
CAMPBELL REID TARLTON reported acquisition or exercise transactions in this Form 4 filing.
WHITE MOUNTAINS INSURANCE GROUP LTD director Campbell Reid Tarlton received an equity award of common shares. He was granted 135 common shares as an annual director share award at no purchase price, which is a stock-based component of his board compensation.
After this grant, Tarlton directly holds 10,575 common shares. In addition, he has an indirect holding of 119 common shares through a 401(k) account. The filing does not report any open-market buys or sales, only this compensation-related share award and existing holdings.
White Mountains Insurance Group, Ltd. reported outcomes from its 2026 Annual General Meeting held in Hamilton Parish, Bermuda. As of March 30, 2026, 2,476,670 common shares were outstanding and eligible to vote.
Shareholders elected four Class II directors—Liam P. Caffrey, Mary C. Choksi, John K. Chu, and Weston M. Hicks—to terms ending in 2029, each receiving over 1.86 million votes in favor. An advisory resolution on executive compensation passed strongly with 1,993,894 votes for, representing 98% support among votes cast, with limited opposition.
Shareholders also approved the appointment of PricewaterhouseCoopers LLP as the company’s independent registered public accounting firm for 2026, with 2,186,203 votes for and relatively few votes against or abstentions. The company noted that director Steven M. Yi did not stand for re-election and concluded his board service at the end of his term on May 21, 2026.
White Mountains Insurance Group disclosed that its subsidiary HG Global Ltd. (HGG) completed a private placement of $200,000,000 aggregate principal amount of fixed rate senior secured notes. HGG will use the net proceeds to fully repay its existing $150 million term loan facility, pay related fees and expenses, and fund a dividend to White Mountains and the other HGG equity holders.
The existing HGG senior notes recently carried a floating interest rate of 9.93% per annum, while the new notes bear a fixed interest rate of 7.39% per annum and mature on May 14, 2036. The Note Purchase Agreement governing the new notes includes customary representations, covenants and events of default for this type of financing.