Yao-Ching Ku, VP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM), bought 48 shares at $76.01 ($4K) on 2026-06-05, disclosed to the SEC on 2026-06-09.
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).
Something here stands out, but not much.
| Filing → |
| TSM | BUY | 2026-08-10 | $3K | — | Filing → |
| TSM | BUY | 2026-07-09 | $4K | — | Filing → |