Bor-Zen Tien, VP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM), bought 48 shares at $76.20 ($4K) on 2026-09-07, disclosed to the SEC on 2026-09-09.
Open-market purchase of $4k TSM by VP. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade C.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $76.20 | 5 | $381 | 10.4% |
| 2 | $76.20 | 43 | $3K | 89.6% |
| Total | $76.20 avg | 48 | $4K | 100% |
| Filing → |
| TSM | BUY | 2026-08-04 | $73K | — | Filing → |
| TSM | BUY | 2026-07-30 | $74K | — | Filing → |
| TSM | BUY | 2026-07-23 | $301K | — | Filing → |