Tesla Inc. shares Friday wrapped up their worst week since 2020, as Chief Executive Elon Musk sold billions in stock and faced a call from a prominent investor to step down from the helm of the electric-vehicle maker. In-depth: Tesla investors await clues on demand, board actions and weigh downside risks in 2023The decline occurred as Musk sold stock, which he has done repeatedly since November of 2021. Musk disclosed the sale of more than $3.5 billion in Tesla stock late Wednesday, after performing the trades over the three previous trading sessions, when the price declined a cumulative 12.4%. In total, the Tesla CEO has sold $39.3 billion worth of Tesla stock in the past 13 months, according to calculations from Dow Jones Market Data and MarketWatch. It is the second time he has sold stock since closing that deal in October.