Insider / TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Tien Bor-Zen
VP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD · TSM
Tien Bor-Zen, VP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, has disclosed 2 transactions in TSM since September 9, 2026: 2 purchases (2 open-market buys) and 0 sales, worth about $3,658 at the reported prices. The latest was filed September 9, 2026, 2 days after the trade.
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source |
|---|---|---|---|---|---|---|---|---|---|
| TSM | Buy P | September 7, 2026 | September 9, 2026 | 2d | 5 | $76 | $381 | indirect | Form 4 ↗ |
| TSM | Buy P | September 7, 2026 | September 9, 2026 | 2d | 43 | $76 | $3,277 | indirect | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| September 9, 2026 | Form 4 | 0001046179-26-000643 | 2 | published | EDGAR ↗ |
Sources and method
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.