Explaining the SpaceX IPO: How a $75B raise leads to a $1.77 Trillion valuation and why insiders can’t just dump the stock?

There is a lot of confusion around the math of the SpaceX IPO. People see headlines about raising $75 billion, but then hear the company is valued at over $1.7 trillion with a crazy Price-to-Sales (P/S) ratio over 90x.

Here is a simple breakdown of how the math actually works, and why insiders can't just crash the market.

1. The Math: Capital Raised vs. Total Valuation

SpaceX is pricing its IPO shares at $135 each to raise $75 billion.

• The Float: That $75 billion represents only 4.3% of the company’s total shares being sold to the public.
• The Valuation: The remaining 95.7% of shares are still held by Elon Musk, insiders, and early investors. When you multiply the $135 share price by all outstanding shares, you get the $1.77 trillion valuation.
• The P/S Ratio: SpaceX brings in roughly $18.7 billion in revenue. Dividing $1.77 trillion by $18.7 billion gives a P/S ratio of \~95x. Investors are paying a massive premium because they are pricing in the future dominance of Starlink, AI integrations, and orbital infrastructure.

1. Why Insiders Can't Just "Dump and Profit"

With 95.7% of the shares locked up, a common question is: Why don't insiders just dump their shares after the IPO to lock in massive profits before retail investors lose money?

Federal laws and legal contracts prevent this:

• Lock-Up Agreements: Insiders sign contracts banning them from selling any shares for typically 180 days after the IPO.
• Paper Losses vs. Cash Losses: If the stock tanks, insiders lose "paper wealth" (net worth), not physical cash. Because their original cost basis from years ago is pennies, they remain highly profitable even if the stock drops 50%.
• SEC Rule 144: Insiders cannot sell more than \~1% of total shares in any 3-month window.

1. The "95 Investors" Loophole Doesn't Work

What if 95 different pre-IPO investors each own 1% of the company, and they all decide to sell at the same time to bypass the 1% rule?

The SEC thought of this. Under Rule 144, if multiple investors coordinate or act with the same strategy, they are legally classified as a "group acting in concert."

Instead of getting a 1% limit each, the SEC aggregates them. The entire group is restricted to a combined limit of just 1% total for that 3-month window. If they try it anyway, Form 144 filings trigger immediate SEC red flags, resulting in frozen assets and market manipulation charges.

TL;DR: SpaceX is only selling 4.3% of itself to the public. The trillion-dollar valuation reflects the whole company, not just what was raised. Insiders are legally locked down by the SEC and contracts, making a coordinated insider "dump" impossible.