For SpaceX CFO Bret Johnsen, the challenge starts after the $75 billion IPO

Good morning. Elon Musk is the face of Space X but behind the scenes, Bret Johnsen has spent more than a decade turning Musk’s ambitions into a financial story investors can underwrite. Johnsen joined as CFO in 2011 after senior finance roles at Mindspeed Technologies and Broadcom. “I tell people it’s hard to be a space company and not have assured access to space,” he said in a recent interview with investor Gavin Baker, explaining why Space X initially focused on “making sure that we had launch nailed down” while Musk worked reduce the cost of reaching orbit. “We’re now the lowest cost per kilogram to space in the industry, and we’re looking for Starship to deliver another 10x improvement as we achieve rapid reusability,” he said. On the communications side, Starlink has become the company’s other major growth engine, reaching more than 10 million customers across more than 160 countries with a constellation of more than 10,000 satellites, Johnsen said.SpaceX announced a fixed IPO price of $135 per share and on Thursday, confirmed the pricing of 555.6 million shares of Class A common stock at that price. The offering is expected to raise approximately $75 billion in gross proceeds before underwriting discounts and expenses. SpaceX also granted the underwriters a 30-day option to purchase up to 83.3 million additional shares at the IPO price. “I think the IPO will be judged as successful within the next few days or weeks, and is just a milestone in the company transitioning some of its shares into public hands,” Morningstar equity analyst Nicolas Owens told me. The all-primary structure, with no existing shareholders cashing out, underscores that the deal is about financing capital needs rather than providing liquidity. A 366-day lockup for current holders, including Musk, reinforces that message. But as Columbia Business School professor Shivaram Rajgopal notes, Johnsen’s task goes beyond the usual pre-IPO cleanup of controls and unit economics. “Most IPO CFOs have