SEC Form 4 Reporting Owner · CIK 0002135989
Yao-Ching Ku
VP at Taiwan Semiconductor Manufacturing Co Ltd
Bought (12 mo)
+$17.9K
Sold (12 mo)
—
Form 4 Filings
5
Companies
1
Filing Activity
2026-10-08
first filed 2026-06-09
Trading record
Open-market buys
+$17.9K
5 filings
Open-market sales
—
0 filings
Sales under a 10b5-1 plan
—
No open-market sales
Companies
| Company | Role | Filings | Bought | Sold | Net | Holding after latest filing |
|---|---|---|---|---|---|---|
| TSMTSMC Insider trading | VP | 5 | 234 | — | +234 | 235,031 2026-10-08 |
Common-stock shares bought and sold on the open market, as reported on Form 4. The holding is what the latest filing at each company reported owning after its transactions.