In this episode of Run the Numbers, CJ breaks down SpaceX’s S-1, unpacking what the filing reveals about Starlink, xAI, X, common control accounting, revenue, losses, CapEx, and Elon Musk’s Mars-linked compensation structure.
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LINKS:
CJ: https://www.linkedin.com/in/cj-gustafson-13140948/
Mostly metrics: https://www.mostlymetrics.com
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TIMESTAMPS:
0:00 SpaceX S1 breakdown
0:50 Elon's Mars colony comp plan
2:03 Common control accounting: SpaceX + xAI + X
3:04 What SpaceX actually does
3:43 How reusable rockets work
4:24 Launch cost curve: foundation of everything
5:49 Launch services: $8B, 85% of global launches
6:44 Starlink: $11.4B, 63% EBITDA margins
7:36 xAI and X: burning $1B/month
8:22 Sponsors — RightRev | Rillet | EY
11:18 Colossus and orbital AI thesis
11:41 Revenue, segments and CapEx breakdown
14:54 RPO: $28.4B backlog
15:18 Starlink subscribers and ARPU decline
16:01 Target valuation: $1.5–1.75 trillion
16:47 Starlink deep dive
18:05 International pricing strategy
21:38 The consolidated entity problem
22:28 Related party section: nine pages
22:32 Sponsors — SpendHound | Brex | Aleph
26:15 Valor Equity: $20B in equipment leases
27:05 Tesla cross-ownership and Terrafab
28:23 R&D: $8.6B, 46% of revenue
30:33 Starship: key risk and growth linchpin
31:41 Red flag 1: CEO comp tied to Mars colony
32:22 Red flag 2: Musk concentration risk
32:49 Red flag 3: Cursor option — $10B downside
33:36 Red flag 4: X advertising is shrinking
34:06 IPO structure and SPCX ticker
34:50 30% retail allocation, no lockups
35:44 S&P 500 inclusion forces buying within 15 days
37:54 Valuation: 60–70x forward revenue
38:43 Peer comparison
39:44 What you're buying at $1.5T
40:53 CFO comp: the only sane plan in the filing
41:25 Bitcoin on the balance sheet
41:57 Credits