TSM Taiwan Semiconductor Manufacturing Company Limited
Taiwan Semiconductor Manufacturing Company Limited (TSM) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
Where they traded
Last open-market purchase: October 7, 2026 , by Cao Min .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Wei Che-Chia | Chairman and CEO | Buy | 144 | $79.39 | $11.4K | 18,280 | |
| Mii Yuh-Jier | EVP and Co-COO | Buy | 68 | $79.39 | $5.4K | 8,238 | |
| Chin Yung-Pei | EVP and Co-COO | Buy | 67 | $79.39 | $5.3K | 8,573 | |
| Hou Yung-Chin | SVP and Deputy Co-COO | Buy | 60 | $79.39 | $4.8K | 60 | |
| Zhang Kevin Xiaoqiang | SVP and Deputy Co-COO | Buy | 59 | $79.39 | $4.7K | 7,406 | |
| Wu Shien-Yang | SVP | Buy | 53 | $79.39 | $4.2K | 6,915 | |
| Fang Shu-Hua | SVP and GC | Buy | 53 | $79.39 | $4.2K | 6,761 | |
| Hsu Kuo-Chin | VP | Buy | 52 | $79.39 | $4.1K | 6,781 | |
| Yeap Choh Fei | SVP | Buy | 52 | $79.39 | $4.1K | 53 | |
| Wang Ying-Lang | SVP | Buy | 52 | $79.39 | $4.1K | 6,551 | |
| Chang Tzonz-Sheng | SVP | Buy | 51 | $79.39 | $4.0K | 52 | |
| Lee Chun-Hsien | SVP | Buy | 51 | $79.39 | $4.0K | 6,092 | |
| Cao Min | VP | Buy | 51 | $79.39 | $4.0K | 6,824 | |
| Yoo Chue-San | VP | Buy | 50 | $79.39 | $4.0K | 6,744 | |
| Lu Lee-Chung | VP | Buy | 49 | $79.39 | $3.9K | 6,534 | |
| Tien Bor-Zen 2 fills | VP | Buy | 47 | $79.39 | $3.7K | 353 | |
| Chuang Juiping | VP | Buy | 46 | $79.39 | $3.7K | 48 | |
| Chuang Tzu-Sou | VP | Buy | 46 | $79.39 | $3.7K | 47 | |
| Ku Yao-Ching | VP | Buy | 46 | $79.39 | $3.7K | 234 | |
| Jang Syun-Ming | VP | Buy | 46 | $79.39 | $3.7K | 5,988 | |
| Lin Shyue-Shyh | VP | Buy | 44 | $79.39 | $3.5K | 384 | |
| Lin Chris Horng-Dar | VP and CIO | Buy | 44 | $79.39 | $3.5K | 45 | |
| He Jun | VP | Buy | 43 | $79.39 | $3.4K | 45 | |
| Chen Pei-Hung | VP | Buy | 43 | $79.39 | $3.4K | 1,438 | |
| Yuan Lipen | VP | Buy | 40 | $79.39 | $3.2K | 1,341 | |
| Hwang Yuan-Ko | VP | Buy | 39 | $79.39 | $3.1K | 338 | |
| Wu Yi-Huang | VP | Buy | 39 | $79.39 | $3.1K | 199 | |
| Lu Chin-Sheng | VP | Buy | 36 | $79.39 | $2.9K | 187 | |
| Chen Chih-Ho | Controller | Buy | 31 | $79.39 | $2.5K | 233 | |
| Huang Jen-Chau | SVP and CFO | Buy | 28 | $79.39 | $2.2K | 3,611 |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.