Yao-Ching Ku is VP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM). They have made 5 open-market trades across 1 company since 2026, most recently 2026-10-07.
CIK 0002135989
5 open-market purchases totalling $18K since 2026, never a sale. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| TSM | 234 | $97K |
Shares reported on the most recent Form 4, priced at the 2026-10-08 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.