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Kimbal Musk made nearly $110 million by exercising Tesla Inc. stock options right before his brother, Elon, spent the weekend asking Twitter users whether he should sell a big chunk of his stake in the electric-vehicle company.
According to a filing with the Securities and Exchange Commission, Kimbal Musk — who serves on Tesla’s board of directors — exercised his option Friday to buy 25,000 Tesla shares at $74.17 apiece, and immediately sold them in tranches ranging from $1,223 a share to $1,236 a share, making about $108.8…