A fire broke out at Tesla's Fremont Factory Monday night.Steve Granitz/FilmMagic // Stephen Lam /ReutersMultiple Tesla executives announced they are leaving or have left over the past week.Several of the executives had worked at Tesla for nearly a decade or more.Tesla is set to unveil its Robotaxi on Thursday.Tesla has been shedding executives ahead of its Robotaxi event, with four of Elon Musk's direct reports saying they'd left the company over the past week.Tesla employees were informed on October 3 during an all-hands meeting that Chief Information Officer Nagesh Saldi was leaving the carmaker after nearly 12 years at the company, three workers told Business Insider.