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: September 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 | 149 | $76.20 | $11.4K | 18,136 | |
| Mii Yuh-Jier | EVP and Co-COO | Buy | 71 | $76.20 | $5.4K | 8,170 | |
| Chin Yung-Pei | EVP and Co-COO | Buy | 71 | $76.20 | $5.4K | 8,506 | |
| Zhang Kevin Xiaoqiang | SVP and Deputy Co-COO | Buy | 61 | $76.20 | $4.6K | 7,347 | |
| Hou Yung-Chin | SVP and Deputy Co-COO | Buy | 61 | $76.20 | $4.6K | 7,521 | |
| Wu Shien-Yang | SVP | Buy | 57 | $76.20 | $4.3K | 6,862 | |
| Cao Min | VP | Buy | 56 | $76.20 | $4.3K | 6,773 | |
| Fang Shu-Hua | SVP and GC | Buy | 56 | $76.20 | $4.3K | 6,708 | |
| Hsu Kuo-Chin | VP | Buy | 55 | $76.20 | $4.2K | 6,729 | |
| Wang Ying-Lang | SVP | Buy | 54 | $76.20 | $4.1K | 6,499 | |
| Yeap Choh Fei | SVP | Buy | 54 | $76.20 | $4.1K | 6,547 | |
| Chang Tzonz-Sheng | SVP | Buy | 53 | $76.20 | $4.0K | 5,481 | |
| Yoo Chue-San | VP | Buy | 53 | $76.20 | $4.0K | 6,694 | |
| Lee Chun-Hsien | SVP | Buy | 52 | $76.20 | $4.0K | 6,041 | |
| Lu Lee-Chung | VP | Buy | 51 | $76.20 | $3.9K | 6,485 | |
| Chuang Juiping | VP | Buy | 50 | $76.20 | $3.8K | 4,292 | |
| Jang Syun-Ming | VP | Buy | 49 | $76.20 | $3.7K | 5,942 | |
| Tien Bor-Zen 2 fills | VP | Buy | 48 | $76.20 | $3.7K | 313 | |
| Lin Chris Horng-Dar | VP and CIO | Buy | 47 | $76.20 | $3.6K | 5,978 | |
| Chuang Tzu-Sou | VP | Buy | 47 | $76.20 | $3.6K | 5,853 | |
| Ku Yao-Ching | VP | Buy | 47 | $76.20 | $3.6K | 188 | |
| Chen Pei-Hung | VP | Buy | 46 | $76.20 | $3.5K | 1,395 | |
| He Jun | VP | Buy | 46 | $76.20 | $3.5K | 5,407 | |
| Lin Shyue-Shyh | VP | Buy | 44 | $76.20 | $3.4K | 340 | |
| Yuan Lipen | VP | Buy | 41 | $76.20 | $3.1K | 1,301 | |
| Hwang Yuan-Ko | VP | Buy | 40 | $76.20 | $3.0K | 299 | |
| Wu Yi-Huang | VP | Buy | 40 | $76.20 | $3.0K | 160 | |
| Lu Chin-Sheng | VP | Buy | 38 | $76.20 | $2.9K | 151 | |
| Chen Chih-Ho | Controller | Buy | 32 | $76.20 | $2.4K | 202 | |
| Huang Jen-Chau | SVP and CFO | Buy | 30 | $76.20 | $2.3K | 3,583 | |
| Yuan Lipen | VP | Buy | 1,000 | $73.77 | $73.8K | 7,000 | |
| Yuan Lipen 2 fills | VP | Buy | 1,350 | $74.26 | $100.3K | 6,000 |
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.