- The transactions took place between Monday and Wednesday this week according to the filings with the Securities and Exchange Commission.The transactions took place between Monday and Wednesday this week according to the filings with the Securities and Exchange Commission.Director of research for VerityData, Ben Silverman, wrote in an e-mail to CNBC on Wednesday, "Musk's prior sales going back to November 2021 were expertly timed, so Tesla shareholders need to pay attention to Musk's actions and not his words – or lack thereof when it comes to his recent selling."However, he continued to sell portions of his sizable holdings in Tesla after agreeing to buy Twitter in a deal worth around $44 billion.Tesla shares have been declining this year, and sliding even further since he took on that new responsibility."