Tzu-Sou Chuang, VP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM), bought 48 shares at $71.82 ($3K) on 2026-05-08, disclosed to the SEC on 2026-05-11.
Open-market purchase of $3k 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.
| Filing → |
| TSM | BUY | 2026-07-09 | $3K | — | Filing → |
| TSM | BUY | 2026-06-09 | $3K | — | Filing → |
| TSM | SELL | 2026-05-19 | $14.0M | — | Filing → |