AXIOS (Dan Primack) - Elon Musk's SpaceX IPO filing is out
SpaceX on Wednesday disclosed its filing for an initial public offering, ahead of an expected stock market debut next month. Why it matters: This is expected to be the largest IPO ever, and could make Elon Musk the world's first trillionaire. Catch up quick: Musk launched SpaceX in 2002 with the goal of one day colonizing Mars. - Since then, it has become the world's most successful commercial space company by far and inspired rival efforts by billionaires like Jeff Bezos and Richard Branson. - It has also become a major partner to NASA and created the Starlink satellite internet network. - More recently, SpaceX acquired xAI — Musk's frontier lab that itself had just merged with X (formerly Twitter) — with plans to focus on…