8-K - White Mountains Insurance Group, Ltd. | StockGist

AI Analysis

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White Mountains Partners LLC completed the acquisition of a majority interest in BaseSix Systems LLC for an approximate $97 million equity investment.

Key Takeaways

1White Mountains Partners acquired a majority interest in BaseSix Systems LLC, a low voltage electrical systems integrator.

2White Mountains' total equity investment for the transaction was approximately $97 million.

3BaseSix Systems, founded in 2018 and headquartered in Marietta, Georgia, specializes in mission critical building systems integration.

4The acquisition aims to support BaseSix's next chapter of growth, including new offices and strategic acquisitions.

5Morgan, Lewis & Bockius LLP served as legal counsel to WMP; Deloitte Corporate Finance LLC served as financial advisor to Basesix.

Current Report Details

Event Type

Other Event

Exhibits Only

Disclosure

Voluntary

Variant

8-K

Items Reported

8.01

Other Events. White Mountains Insurance Group, Ltd. (NYSE: WTM ) (“White Mountains”) announced that White Mountains Partners LLC (“WTM Partners”) has completed

Other Event

$97.0M

9.01

. FINANCIAL STATEMENTS AND EXHIBITS. (d) Exhibits 99.1 Press Release, dated April 1, 2026 2 SIGNATURES Pursuant to the requirements of the Securities Exchange A

Exhibits Only

Source Document

Transaction Details

Acquisition / Disposition

Target: Majority interest in BaseSix Systems LLC
Consideration: Approximately $97 million equity investment
Structure: Acquisition of majority interest

•Transaction completed as of April 1, 2026

Exhibits (2)

8-K

99.1

EX-99.1