Chih-Ho Chen, Controller at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM), bought 34 shares at $71.82 ($2K) on 2026-05-08, disclosed to the SEC on 2026-05-11.
Open-market purchase of $2k TSM by Controller. 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 | 2026-08-10 | $2K | — | Filing → |
| TSM | SELL | 2026-07-16 | $4K | — | Filing → |
| TSM | BUY | 2026-07-16 | $4K | — | Filing → |