IPO filing from Elon Musk’s company reveals closer look at finances, cosmic ambitions and tech empire’s quirks IPO filing from Elon Musk’s company reveals closer look at finances, cosmic ambitions and tech empire’s quirks SpaceX publicly released an investor prospectus on Wednesday as part of its plan for a $1.75tn debut on the US stock market next month, revealing unseen details about the finances and future plans of Elon Musk ’s flagship company. In addition to new information on operating