Controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2023
Allegations concerning Warren Buffett's personal trading
A ProPublica report alleged that Warren Buffett's personal investment transactions sometimes involved companies that Berkshire Hathaway bought or sold during nearby periods. The allegations concerned Buffett's personal portfolio rather than a proven Berkshire corporate violation. Charlie Munger publicly rejected the suggestion that Buffett had acted improperly.
2011
David Sokol and Lubrizol trading controversy
David Sokol, then a senior Berkshire executive and a potential successor to Warren Buffett, purchased shares of Lubrizol before Berkshire announced its agreement to acquire the company. Berkshire's internal review concluded that Sokol had not violated insider-trading laws, but the episode raised significant questions about conflicts of interest, disclosure and executive conduct. Sokol resigned from Berkshire in 2011.