Insider · SEC Forms 3, 4, 5
CIK 1494730
All transactions
Every Form 4 row this person reported, newest first
Insider · SEC Forms 3, 4, 5
Every Form 4 row this person reported, newest first
Wei Che-Chia (CIK 2113717) reported 7 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-09). Recent activity: Buy TSM (149 shares), Buy TSM (204,375 shares), Buy TSM (152 shares), Buy TSM (146 shares), Buy TSM (150 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-09 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | Chairman and CEO | Buy | 149 | $11,354 |
| 2026-09-02 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | Chairman and CEO | Buy | 204,375 | $0 |
| 2026-08-10 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | Chairman and CEO | Buy | 152 | $11,143 |
| 2026-07-09 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | Chairman and CEO | Buy | 146 | $11,187 |
| 2026-06-09 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | Chairman and CEO | Buy | 150 | $11,402 |
| 2026-05-11 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | Chairman and CEO | Buy | 160 | $11,491 |
| 2026-04-13 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | Chairman and CEO | Buy | 186 | $10,764 |
Source: SEC Form 4 filings · as of 2026-09-09