BRK.B 424B5: Secondary offering
Berkshire Hathaway
Filed with the SEC on · accession 0001193125-26-452592
BRK.B filed a 424B5 (prospectus (offering)) with the SEC on Nov 9, 2026. Berkshire Hathaway filed a preliminary prospectus supplement for an offering of three series of senior unsecured notes denominated in Japanese yen, with pricing and maturity terms left blank.
Summary of the filing
Berkshire Hathaway filed a preliminary prospectus supplement for an offering of three series of senior unsecured notes denominated in Japanese yen, with pricing and maturity terms left blank. The notes will be issued in minimum denominations of ¥100,000,000 and will not be listed on any exchange.
Key details
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What did BRK.B file with the SEC on Nov 9, 2026?
BRK.B filed a 424B5 (Secondary offering). Berkshire Hathaway filed a preliminary prospectus supplement for an offering of three series of senior unsecured notes denominated in Japanese yen, with pricing and maturity terms left blank. The notes will be issued in minimum denominations of ¥100,000,000 and will not be listed on any exchange.
What does a secondary offering mean for BRK.B stock?
New shares dilute existing holders and are often sold at a discount to the market price.
How do I read a 424B5?
The final terms of an offering of shares or bonds. Look at price, number of shares and the discount to the market price. Large offerings dilute existing shareholders.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 424B5 (prospectus (offering)): The final terms of an offering of shares or bonds.
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