$2.03K
+0.50%White Mountains Insurance Group, Ltd., through its subsidiaries, provides insurance and other financial services in the United States. The company operates through five segments: HG Global/BAM, Ark, NSM, Kudu, and Other Operations. The HG Global/BAM segment provides insurance on municipal bonds issued to finance public purposes, such as schools, utilities, and transportation facilities, as well as reinsurance protection services. The Ark segment writes a portfolio of reinsurance and insurance, including property, marine and energy, accident and health, casualty, and specialty products. The NSM segment operates as a managing general agent and program administrator for specialty property and casualty insurance to various sectors comprising specialty transportation, real estate, social services, and pet. The Kudu segment provides capital solutions to boutique asset and wealth managers for generational ownership transfers, management buyouts, acquisitions and growth finances, and legacy partner liquidity, as well as strategic assistance to investees. The Other Operations segment offers insurance solutions to travel industry through broker channel and on a direct-to-consumer basis; and manages separate accounts and pooled investment vehicles for insurance-linked securities sectors, including catastrophe bonds, collateralized reinsurance investments, and industry loss warranties of third-party clients. White Mountains Insurance Group, Ltd. was incorporated in 1980 and is headquartered in Hamilton, Bermuda.
WTM - Filing history and reports
| Filing Type | Filing Date | Period Ending | Fiscal Year | Actions |
|---|---|---|---|---|
8-K 8-K 2026 N/A | May 21, 2026 | May 21, 2026 | 2026 | |
8-K 8-K 2026 N/A | May 15, 2026 | May 14, 2026 | 2026 | |
8-K 8-K 2026 N/A | May 06, 2026 | May 06, 2026 | 2026 | |
10-Q 10-Q 2026 Q1 Q1 | May 06, 2026 | March 31, 2026 | 2026 | |
DEF 14A DEF 14A 2026 N/A | April 01, 2026 | May 21, 2026 | 2026 | |
8-K 8-K 2026 N/A | April 01, 2026 | April 01, 2026 | 2026 | |
10-K 10-K 2025 FY FY | February 27, 2026 | December 31, 2025 | 2025 | |
8-K 8-K 2026 N/A | February 26, 2026 | February 26, 2026 | 2026 | |
8-K 8-K 2026 N/A | February 06, 2026 | February 06, 2026 | 2026 | |
8-K 8-K 2026 N/A | January 07, 2026 | January 07, 2026 | 2026 |
Essential regulatory documents for investors
SEC filings are mandatory documents that publicly traded companies must submit to the Securities and Exchange Commission. These reports provide critical insights into a company's financial health, operations, risks, and strategic direction. For investors conducting due diligence, these filings are the most authoritative source of company information.
Comprehensive annual financial report filed within 60-90 days of fiscal year-end. Includes audited financial statements, management discussion & analysis (MD&A), risk factors, and detailed business operations. The most thorough financial disclosure of the year.
Unaudited quarterly financial report filed within 40-45 days after each of the first three fiscal quarters. Provides updates on financial position, results of operations, and significant events. Essential for tracking quarterly performance trends.
Event-driven filing for material events that shareholders should know about, filed within 4 business days. Includes acquisitions, executive changes, bankruptcy, earnings releases, and other significant developments. Critical for staying informed about breaking news.
Definitive proxy statement sent to shareholders before annual meetings. Contains executive compensation details, board member information, voting matters, and corporate governance policies. Key for understanding management incentives and board composition.
Initial registration for securities offerings, including IPOs. Provides detailed company history, business model, financial statements, risk factors, and use of proceeds. Essential for evaluating new investment opportunities and understanding company fundamentals.
Annual report for foreign private issuers, equivalent to Form 10-K for non-U.S. companies. Filed within 4-6 months of fiscal year-end. Contains audited financials, business description, and regulatory disclosures adapted for international companies.
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