🕵️ Taiwan Semiconductor Manufacturing Co Ltd ($TSM)
SEC insider & ownership activity, last 12 months · CIK 1046179 · every row links its SEC filing
Insider buy value was withheld pending verification over the last 12 months. No red-flag 8-Ks in the window.
Insider flow
32 buyers, value withheld pending verification (220 lots) · 2 sellers, $14.0M (2 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Chuang Tzu-Sou | 6 | $21K | 1 | $14.0M | Sep 7, 2026 |
| Tien Bor-Zen | 31 | value withheld pending verification | 0 | – | Sep 7, 2026 |
| Lin Shyue-Shyh | 13 | $658K | 0 | – | Sep 7, 2026 |
| Yuan Lipen | 11 | $347K | 0 | – | Sep 7, 2026 |
| Ursula M. Burns | 1 | $322K | 0 | – | Mar 31, 2026 |
| Fang Shu-Hua | 8 | $179K | 0 | – | Sep 7, 2026 |
| Wei Che-Chia | 6 | $67K | 0 | – | Sep 7, 2026 |
| Chin Yung-Pei | 6 | $32K | 0 | – | Sep 7, 2026 |
| Mii Yuh-Jier | 6 | $32K | 0 | – | Sep 7, 2026 |
| Zhang Kevin Xiaoqiang | 6 | $28K | 0 | – | Sep 7, 2026 |
| Hou Yung-Chin | 6 | $28K | 0 | – | Sep 7, 2026 |
| Wu Shien-Yang | 6 | $25K | 0 | – | Sep 7, 2026 |
| Yeap Choh Fei | 7 | value withheld pending verification | 0 | – | Sep 7, 2026 |
| Cao Min | 6 | $25K | 0 | – | Sep 7, 2026 |
| Wang Ying-Lang | 6 | $25K | 0 | – | Sep 7, 2026 |
| Hsu Kuo-Chin | 6 | $24K | 0 | – | Sep 7, 2026 |
| Chang Tzonz-Sheng | 6 | $24K | 0 | – | Sep 7, 2026 |
| Yoo Chue-San | 6 | $23K | 0 | – | Sep 7, 2026 |
| Lee Chun-Hsien | 6 | $23K | 0 | – | Sep 7, 2026 |
| Lu Lee-Chung | 6 | $23K | 0 | – | Sep 7, 2026 |
| Chuang Juiping | 6 | $22K | 0 | – | Sep 7, 2026 |
| Jang Syun-Ming | 6 | $22K | 0 | – | Sep 7, 2026 |
| Chen Chih-Ho | 7 | $18K | 1 | $4K | Sep 7, 2026 |
| Lin Chris Horng-Dar | 6 | $21K | 0 | – | Sep 7, 2026 |
| He Jun | 6 | $21K | 0 | – | Sep 7, 2026 |
| Chen Pei-Hung | 6 | $21K | 0 | – | Sep 7, 2026 |
| Hwang Yuan-Ko | 6 | $18K | 0 | – | Sep 7, 2026 |
| Liaw Yung-Haw | 4 | $15K | 0 | – | Jul 7, 2026 |
| Ku Yao-Ching | 4 | $14K | 0 | – | Sep 7, 2026 |
| Huang Jen-Chau | 6 | $13K | 0 | – | Sep 7, 2026 |
| Wu Yi-Huang | 4 | $12K | 0 | – | Sep 7, 2026 |
| Lu Chin-Sheng | 4 | $11K | 0 | – | Sep 7, 2026 |
5%+ holders
No current 5%+ beneficial-ownership positions on file.
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
No 8-K filings in the last 12 months.