Berkshire Hathaway, Buffett, Sokol Sued Over Lubrizol Profit

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Berkshire Hathaway Inc. and Chief Executive Officer Warren Buffett were sued by a shareholder over trades in Lubrizol Corp. by former Berkshire manager David Sokol.

Berkshire investor Mason Kirby, suing to recover damages for the company, contends that Sokol, also a defendant, hurt the firm by taking a stake in Lubrizol before recommending to Buffett that Berkshire buy the company, according to papers made public today in Delaware Chancery Court in Wilmington.