Form 8-K WHITE MOUNTAINS INSURANC For: Feb 26
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E-mailUNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported)
(Exact name of registrant as specified in its charter)
(State or other jurisdiction of incorporation or organization) | (Commission file number) | (I.R.S. Employer Identification No.) | ||||||
(Address of principal executive offices)
(603 ) 640-2200
(Registrant’s telephone number, including area code)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
Securities registered pursuant to Section 12(b) of the Act:
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered | ||||||||||||
| WTM.BH | Bermuda Stock Exchange | |||||||||||||
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933(§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o
ITEM 8.01. OTHER EVENTS.
On February 26, 2026, White Mountains Insurance Group, Ltd. (NYSE: WTM) (“White Mountains”), RedBird Capital Partners (“RedBird”), and Bishop Street Underwriters (“Bishop Street”) issued a joint press release announcing that White Mountains has completed a $125 million structured capital investment into Bishop Street. Bishop Street, a RedBird portfolio company, is a diversified platform of MGAs and niche underwriting teams focused on the property and casualty insurance sector. A copy of the joint press release is attached as Exhibit 99.1 to this report.
ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS.
(d) Exhibits
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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. | ||||||||||||||
| February 26, 2026 | By: | /s/ MICHAELA J. HILDRETH Michaela J. Hildreth Managing Director and Chief Accounting Officer | ||||||||||||
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ATTACHMENTS / EXHIBITS
XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
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