Bor-Zen Tien, VP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM), bought 17 shares at $391.81 ($7K) on 2026-05-19, disclosed to the SEC on 2026-05-21.
Open-market purchase of $7k 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 D.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $391.81 | 10 | $4K | 58.3% |
| 2 | $400.00 | 7 | $3K | 41.7% |
| Total | $395.18 avg | 17 | $7K | 100% |
| Filing → |
| TSM | BUY | 2026-08-10 | $4K | — | Filing → |
| TSM | BUY | 2026-08-04 | $73K | — | Filing → |
| TSM | BUY | 2026-07-30 | $74K | — | Filing → |