Chuang Tzu-Sou (CIK 2114030) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-24). Recent activity: Sell TSM (500,000 shares), Sell TSM (500,000 shares), Buy TSM (46 shares), Sell TSM (200,000 shares), Buy TSM (48 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-24 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | VP | Sell | 500,000 | $0 |
| 2026-06-09 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | VP | Sell | 500,000 | $0 |
| 2026-06-09 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | VP | Buy | 46 | $0 |
| 2026-05-19 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | VP | Sell | 200,000 | $0 |
| 2026-05-11 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | VP | Buy | 48 | $0 |
| 2026-04-13 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | VP | Buy | 58 | $0 |
Source: SEC Form 4 filings · as of 2026-06-24