Company: BRK-A
Filing Date: 2025-11-06
Form Type: 424B5
Source: 0001193125-25-267653
Chunk: 0

Company: BERKSHIRE HATHAWAY INC
Filing Date: 2025-11-06
Form: 424B5
Chunk 0
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Filed Pursuant to Rule 424(b)(5)
Registration Statement No. 333-284622 The information in this preliminary prospectus supplement is not complete and may be changed. A registration statement relating to these securities has been declared effective by the Securities and Exchange Commission. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities and are not soliciting an offer to buy these securities in any jurisdiction where the offer or sale of these securities is not permitted.

Subject to Completion, dated November 6, 2025 Prospectus Supplement to Prospectus dated January 31, 2025 ¥ Berkshire Hathaway Inc. ¥ % Senior Notes due ¥ % Senior Notes due ¥ % Senior Notes due We are offering (i) ¥ of our % Senior Notes due ; (ii) ¥ of our % Senior Notes due ; and (iii) ¥ of our % Senior Notes due (collectively, the “notes”). Interest on each series of notes will accrue from the date of original issuance, expected to be , 2025 and will be payable semi-annually in arrears on and of each year, commencing on , 2025. The % Senior Notes due will mature on . The % Senior Notes due will mature on . The % Senior Notes due will mature on . We may redeem some or all of any series of notes after the applicable par call date for such series plus accrued interest to the redemption date as described under “Description of the Notes—Optional Redemption.” In addition, we may redeem each series of notes in whole but not in part at any time, if certain events occur involving changes in United States taxation, at the redemption price described under “Description of the Notes— Redemption for Tax Reasons.” The notes will be our senior unsecured indebtedness and will rank equally with all of our other existing and future senior unsecured indebtedness. The notes will be issued only in minimum denominations of ¥100,000,000 and integral multiples of ¥10,000,000 in excess thereof. The notes will not be listed on any securities exchange. Currently, there is no public market for the notes. The risks involved in investing in our debt securities are described in the “ Risk Factors” section on page S-7 of this prospectus supplement. Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of the notes or passed upon the adequacy or accuracy of this prospectus. Any representation to the contrary is a criminal offense.

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