Form4.ai tracks every SEC insider trade in real time. See every TSM insider filing with a free account — no card.
See every TSM insider filing — free account, no card.
Free accountTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) has 113 SEC Form 4 insider filings on record in the last 90 days. That includes 92 insider purchases totalling $690K. Most recent filing: Oct. 8, 2026.
Open-market value, last 90 days
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Oct 8, 2026 SEC filing | Yuan Lipen VP | Bought | $3,176 | — |
| Oct 8, 2026 SEC filing | Zhang Kevin Xiaoqiang SVP and Deputy Co-COO | Bought | $4,684 | — |
| Oct 8, 2026 SEC filing | Yeap Choh Fei SVP | Bought | $4,128 | — |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.