Ku Yao-Ching (CIK 2135989) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-09). Recent activity: Buy TSM (47 shares), Buy TSM (47 shares), Buy TSM (46 shares), Buy TSM (48 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-09 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | VP | Buy | 47 | $3,581 |
| 2026-08-10 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | VP | Buy | 47 | $3,446 |
| 2026-07-09 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | VP | Buy | 46 | $3,525 |
| 2026-06-09 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | VP | Buy | 48 | $3,648 |
Source: SEC Form 4 filings · as of 2026-09-09