Company: BRK-A
Filing Date: 2025-11-06
Form Type: 424B5
Source: 0001193125-25-267653
Chunk: 8

Company: BERKSHIRE HATHAWAY INC
Filing Date: 2025-11-06
Form: 424B5
Chunk 8
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(d) of the Exchange Act prior to the termination of any offering of securities made by this prospectus (in each case, excluding any information furnished to, rather than filed with, the SEC, including, but not limited to, information furnished under Items 2.02 or 7.01 of Form 8-Kand any corresponding information furnished with respect to such Items under Item 9.01 or as an exhibit):

We will provide to each person, including any beneficial owner, to whom a copy of this prospectus is delivered, upon written or oral request and at no cost to such person, a copy of any or all of the information that has been incorporated by reference in this prospectus but not delivered with this prospectus. You may request a copy of such information by writing or telephoning us at: Berkshire Hathaway Inc. 3555 Farnam Street Omaha, Nebraska 68131 Attn: Corporate Secretary Tel: (402) 346-1400 S-vii

SUMMARY

The following summary is qualified in its entirety by the more detailed information included elsewhere in or incorporated by reference into this prospectus supplement or the accompanying prospectus. Because this is a summary, it does not contain all the information that may be important to you. You should carefully read the entire prospectus supplement and the accompanying prospectus, together with documents incorporated by reference, in their entirety before making an investment decision.

Berkshire Hathaway Inc.

We are incorporated in Delaware, and we have our corporate headquarters in Omaha, Nebraska. We are a holding company owning
subsidiaries engaged in numerous diverse business activities. The most important of these are insurance businesses conducted on both a primary basis and a reinsurance basis, a freight rail transportation business and a group of utility and energy
generation and distribution businesses. Berkshire also owns and operates numerous other businesses engaged in a variety of manufacturing, services and retailing activities.

Included in the group of businesses that underwrite insurance and reinsurance is GEICO, one of the largest private passenger automobile
insurers in the United States, and the Berkshire Hathaway Reinsurance Group (“BHRG”), one of the largest reinsurance businesses in the world. BHRG comprises National Indemnity Company and its affiliates, General Re Corporation and its
subsidiaries and Alleghany Corporation’s Transatlantic Reinsurance Company and affiliates. Other subsidiaries that underwrite insurance include Berkshire Hathaway Homestate Companies, Cypress Insurance Company, Berkshire Hathaway Specialty
Insurance, MedPro Group, GUARD