Tesla CEO Elon Musk sold another stake in the company for $1 billion. He exercised options to buy 1.6 million shares of the company at $6.24 per share and sold 934 thousand shares. As a result, the number of sold securities reached 15.6 million and the amount of transactions reached $16.4 billion. In a report to the SEC, Tesla notes that the implementation of the sales plan published in September under the 10b5-1 rule is complete.