Article 3 | How Deep Is the Moat? Reading TSMC, SK Hynix, and Micron Through Their SEC Filings
Customer prepayments, HBM margin structure, capital expenditure intensity — the numbers say more than the narratives do.Series: AI Compute Supply Chain | Part 3 of 5 By Po-Sung(Sinclair) Huang The previous article built a framework. This one tests it with documents. Before writing this piece, I set aside the analyst summaries and went to the source: TSMC’s 2024 20-F filed with the SEC on April 17, 2025; Micron’s most recent 10-K and two 10-Q filings; and SK Hynix earnings call transcripts for the past three quarters. ...