White Mountains Insurance Group Files 8-K
Ticker: WTM · Form: 8-K · Filed: Sep 3, 2025 · CIK: 776867
| Field | Detail |
|---|---|
| Company | White Mountains Insurance Group Ltd (WTM) |
| Form Type | 8-K |
| Filed Date | Sep 3, 2025 |
| Risk Level | low |
| Pages | 1 |
| Reading Time | 2 min |
| Key Dollar Amounts | $1.00, $224 million |
| Sentiment | neutral |
Sentiment: neutral
Topics: 8-k, sec-filing, other-events
TL;DR
WMIG filed an 8-K, but details are scarce.
AI Summary
On September 2, 2025, White Mountains Insurance Group, Ltd. filed an 8-K report to disclose other events. The filing does not contain specific details about the nature of these events, dollar amounts, or definitive dates beyond the report filing date.
Why It Matters
This 8-K filing indicates that White Mountains Insurance Group, Ltd. has reported an event requiring immediate disclosure to the SEC, though the specifics are not detailed in the provided text.
Risk Assessment
Risk Level: low — The filing is a standard 8-K for 'Other Events' and does not contain specific financial or operational information that would immediately indicate high risk.
Key Players & Entities
- WHITE MOUNTAINS INSURANCE GROUP, LTD. (company) — Registrant
- 0000776867-25-000016 (filing_id) — Accession Number
- 20250902 (date) — Date of earliest event reported
- 20250903 (date) — Date of Report
- 94-2708455 (tax_id) — I.R.S. Employer Identification No.
- 23 South Main Street, Suite 3B, Hanover, New Hampshire 03755 (address) — Address of principal executive offices
- 603-640-2200 (phone_number) — Registrant's telephone number
FAQ
What specific event prompted the filing of this 8-K report?
The provided text of the 8-K filing does not specify the exact event that triggered the report, only that it falls under 'Other Events'.
When was the earliest event reported in this filing?
The earliest event reported in this filing occurred on September 2, 2025.
What is the principal executive office address for White Mountains Insurance Group, Ltd.?
The principal executive offices are located at 23 South Main Street, Suite 3B, Hanover, New Hampshire 03755.
What is the Commission file number for White Mountains Insurance Group, Ltd.?
The Commission file number for White Mountains Insurance Group, Ltd. is 1-8993.
What is the I.R.S. Employer Identification No. for the registrant?
The I.R.S. Employer Identification No. for White Mountains Insurance Group, Ltd. is 94-2708455.
Filing Stats: 425 words · 2 min read · ~1 pages · Grade level 10.4 · Accepted 2025-09-03 08:06:09
Key Financial Figures
- $1.00 — ch registered Common Shares, par value $1.00 per share WTM New York Stock Exchange
- $224 million — ent, L.P ("Distinguished Programs") for $224 million in cash. As a result of the acquisition
Filing Documents
- wtm-20250902.htm (8-K) — 20KB
- 0000776867-25-000016.txt ( ) — 130KB
- wtm-20250902.xsd (EX-101.SCH) — 2KB
- wtm-20250902_lab.xml (EX-101.LAB) — 21KB
- wtm-20250902_pre.xml (EX-101.PRE) — 12KB
- wtm-20250902_htm.xml (XML) — 3KB
01 Other Events
ITEM 8.01 Other Events. On September 2, 2025, White Mountains Insurance Group, Ltd. ("White Mountains") and its indirect wholly owned subsidiaries WM Monroe Holdings, Inc. and WM Phoenix GP, LLC closed the previously announced acquisition of 50% of AQ Phoenix Parent, L.P ("Distinguished Programs") for $224 million in cash. As a result of the acquisition, White Mountains owns, inclusive of its existing approximately 1% interest, a 51% controlling interest in Distinguished Programs. 2
SIGNATURES
SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. WHITE MOUNTAINS INSURANCE GROUP, LTD. September 3, 2025 By: /s/ MICHAELA J. HILDRETH Michaela J. Hildreth Managing Director and Chief Accounting Officer 3