TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) — insider trading
Information Technology · NYSE
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) has 159 reported SEC Form 4 insider transactions in our data, including 93 open-market purchases and 1 open-market sale among the most recent 100 (latest 2026-08-19).
Recent Form 4 transactions
Showing the 100 most recent of 159 recorded transactions. See all on SEC EDGAR →
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-19 | Yuan Lipen | Officer (VP) | Open-market purchase | 1,000 | $73.77 | $73.8K | Form 4 |
| 2026-08-18 | Yuan Lipen | Officer (VP) | Open-market purchase | 350 | $73.58 | $25.8K | Form 4 |
| 2026-08-18 | Yuan Lipen | Officer (VP) | Open-market purchase | 1,000 | $74.50 | $74.5K | Form 4 |
| 2026-08-07 | Chin Yung-Pei | Officer (EVP and Co-COO) | Open-market purchase | 72 | $73.31 | $5.3K | Form 4 |
| 2026-08-07 | Cao Min | Officer (VP) | Open-market purchase | 55 | $73.31 | $4.0K | Form 4 |
| 2026-08-07 | Chen Pei-Hung | Officer (VP) | Open-market purchase | 46 | $73.31 | $3.4K | Form 4 |
| 2026-08-07 | Chen Chih-Ho | Officer (Controller) | Open-market purchase | 33 | $73.31 | $2.4K | Form 4 |
| 2026-08-07 | Chang Tzonz-Sheng | Officer (SVP) | Open-market purchase | 54 | $73.31 | $4.0K | Form 4 |
| 2026-08-07 | Fang Shu-Hua | Officer (SVP and GC) | Open-market purchase | 57 | $73.31 | $4.2K | Form 4 |
| 2026-08-07 | Chuang Juiping | Officer (VP) | Open-market purchase | 49 | $73.31 | $3.6K | Form 4 |
| 2026-08-07 | Hou Yung-Chin | Officer (SVP and Deputy Co-COO) | Open-market purchase | 63 | $73.31 | $4.6K | Form 4 |
| 2026-08-07 | Chuang Tzu-Sou | Officer (VP) | Open-market purchase | 47 | $73.31 | $3.4K | Form 4 |
| 2026-08-07 | He Jun | Officer (VP) | Open-market purchase | 46 | $73.31 | $3.4K | Form 4 |
| 2026-08-07 | Ku Yao-Ching | Officer (VP) | Open-market purchase | 47 | $73.31 | $3.4K | Form 4 |
| 2026-08-07 | Hwang Yuan-Ko | Officer (VP) | Open-market purchase | 40 | $73.31 | $2.9K | Form 4 |
| 2026-08-07 | Huang Jen-Chau | Officer (SVP and CFO) | Open-market purchase | 29 | $73.31 | $2.1K | Form 4 |
| 2026-08-07 | Hsu Kuo-Chin | Officer (VP) | Open-market purchase | 54 | $73.31 | $4.0K | Form 4 |
| 2026-08-07 | Jang Syun-Ming | Officer (VP) | Open-market purchase | 50 | $73.31 | $3.7K | Form 4 |
| 2026-08-07 | Lu Chin-Sheng | Officer (VP) | Open-market purchase | 39 | $73.31 | $2.9K | Form 4 |
| 2026-08-07 | Lee Chun-Hsien | Officer (SVP) | Open-market purchase | 54 | $73.31 | $4.0K | Form 4 |
| 2026-08-07 | Lin Shyue-Shyh | Officer (VP) | Open-market purchase | 47 | $73.31 | $3.4K | Form 4 |
| 2026-08-07 | Lu Lee-Chung | Officer (VP) | Open-market purchase | 52 | $73.31 | $3.8K | Form 4 |
| 2026-08-07 | Lin Chris Horng-Dar | Officer (VP and CIO) | Open-market purchase | 49 | $73.31 | $3.6K | Form 4 |
| 2026-08-07 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 7 | $73.31 | $513 | Form 4 |
| 2026-08-07 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 42 | $73.31 | $3.1K | Form 4 |
| 2026-08-07 | Wu Shien-Yang | Officer (SVP) | Open-market purchase | 57 | $73.31 | $4.2K | Form 4 |
| 2026-08-07 | Wei Che-Chia | Director, Officer (Chairman and CEO) | Open-market purchase | 152 | $73.31 | $11.1K | Form 4 |
| 2026-08-07 | Wang Ying-Lang | Officer (SVP) | Open-market purchase | 55 | $73.31 | $4.0K | Form 4 |
| 2026-08-07 | Mii Yuh-Jier | Officer (EVP and Co-COO) | Open-market purchase | 72 | $73.31 | $5.3K | Form 4 |
| 2026-08-07 | Yoo Chue-San | Officer (VP) | Open-market purchase | 51 | $73.31 | $3.7K | Form 4 |
| 2026-08-07 | Wu Yi-Huang | Officer (VP) | Open-market purchase | 41 | $73.31 | $3.0K | Form 4 |
| 2026-08-07 | Yuan Lipen | Officer (VP) | Open-market purchase | 42 | $73.31 | $3.1K | Form 4 |
| 2026-08-07 | Zhang Kevin Xiaoqiang | Officer (SVP and Deputy Co-COO) | Open-market purchase | 63 | $73.31 | $4.6K | Form 4 |
| 2026-08-07 | Yeap Choh Fei | Officer (SVP) | Open-market purchase | 57 | $73.31 | $4.2K | Form 4 |
| 2026-08-03 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 1,000 | $73.06 | $73.1K | Form 4 |
| 2026-07-31 | Tseng Fang Churng | Director | Bona fide gift | 5,000,000 | — | $0 | Form 4 |
| 2026-07-31 | Tseng Fang Churng | Director | Bona fide gift | 5,000,000 | — | $0 | Form 4 |
| 2026-07-28 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 1,000 | $67.97 | $68.0K | Form 4 |
| 2026-07-28 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 5 | $390.00 | $1.9K | Form 4 |
| 2026-07-28 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 10 | $390.00 | $3.9K | Form 4 |
| 2026-07-21 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 1,000 | $74.75 | $74.8K | Form 4 |
| 2026-07-21 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 1,000 | $74.44 | $74.4K | Form 4 |
| 2026-07-21 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 1,000 | $73.98 | $74.0K | Form 4 |
| 2026-07-21 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 1,000 | $74.13 | $74.1K | Form 4 |
| 2026-07-21 | Lin Shyue-Shyh | Officer (VP) | Open-market purchase | 1,000 | $74.13 | $74.1K | Form 4 |
| 2026-07-20 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 10 | $405.00 | $4.0K | Form 4 |
| 2026-07-20 | Lin Shyue-Shyh | Officer (VP) | Open-market purchase | 1,000 | $72.65 | $72.7K | Form 4 |
| 2026-07-19 | Lin Shyue-Shyh | Officer (VP) | Open-market purchase | 1,000 | $71.94 | $71.9K | Form 4 |
| 2026-07-19 | Lin Shyue-Shyh | Officer (VP) | Open-market purchase | 1,000 | $71.32 | $71.3K | Form 4 |
| 2026-07-19 | Lin Shyue-Shyh | Officer (VP) | Open-market purchase | 1,000 | $72.10 | $72.1K | Form 4 |
| 2026-07-14 | Chen Chih-Ho | Officer (Controller) | Open-market sale | 50 | $75.22 | $3.8K | Form 4 |
| 2026-07-13 | Chen Chih-Ho | Officer (Controller) | Open-market purchase | 50 | $74.60 | $3.7K | Form 4 |
| 2026-07-07 | Hwang Yuan-Ko | Officer (VP) | Open-market purchase | 40 | $76.62 | $3.1K | Form 4 |
| 2026-07-07 | Yoo Chue-San | Officer (VP) | Open-market purchase | 51 | $76.62 | $3.9K | Form 4 |
| 2026-07-07 | Lin Shyue-Shyh | Officer (VP) | Open-market purchase | 44 | $76.62 | $3.4K | Form 4 |
| 2026-07-07 | Lu Lee-Chung | Officer (VP) | Open-market purchase | 49 | $76.62 | $3.8K | Form 4 |
| 2026-07-07 | Cao Min | Officer (VP) | Open-market purchase | 54 | $76.62 | $4.1K | Form 4 |
| 2026-07-07 | Chuang Tzu-Sou | Officer (VP) | Open-market purchase | 45 | $76.62 | $3.4K | Form 4 |
| 2026-07-07 | Lu Chin-Sheng | Officer (VP) | Open-market purchase | 37 | $76.62 | $2.8K | Form 4 |
| 2026-07-07 | Huang Jen-Chau | Officer (SVP and CFO) | Open-market purchase | 28 | $76.62 | $2.1K | Form 4 |
| 2026-07-07 | He Jun | Officer (VP) | Open-market purchase | 45 | $76.62 | $3.4K | Form 4 |
| 2026-07-07 | Yeap Choh Fei | Officer (SVP) | Open-market purchase | 53 | $76.62 | $4.1K | Form 4 |
| 2026-07-07 | Mii Yuh-Jier | Officer (EVP and Co-COO) | Open-market purchase | 68 | $76.62 | $5.2K | Form 4 |
| 2026-07-07 | Fang Shu-Hua | Officer (SVP and GC) | Open-market purchase | 54 | $76.62 | $4.1K | Form 4 |
| 2026-07-07 | Liaw Yung-Haw | Officer (VP) | Open-market purchase | 48 | $76.62 | $3.7K | Form 4 |
| 2026-07-07 | Chen Chih-Ho | Officer (Controller) | Open-market purchase | 31 | $76.62 | $2.4K | Form 4 |
| 2026-07-07 | Hsu Kuo-Chin | Officer (VP) | Open-market purchase | 52 | $76.62 | $4.0K | Form 4 |
| 2026-07-07 | Zhang Kevin Xiaoqiang | Officer (SVP and Deputy Co-COO) | Open-market purchase | 61 | $76.62 | $4.7K | Form 4 |
| 2026-07-07 | Chin Yung-Pei | Officer (EVP and Co-COO) | Open-market purchase | 69 | $76.62 | $5.3K | Form 4 |
| 2026-07-07 | Yuan Lipen | Officer (VP) | Open-market purchase | 40 | $76.62 | $3.1K | Form 4 |
| 2026-07-07 | Hou Yung-Chin | Officer (SVP and Deputy Co-COO) | Open-market purchase | 61 | $76.62 | $4.7K | Form 4 |
| 2026-07-07 | Wu Yi-Huang | Officer (VP) | Open-market purchase | 39 | $76.62 | $3.0K | Form 4 |
| 2026-07-07 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 6 | $76.62 | $460 | Form 4 |
| 2026-07-07 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 40 | $76.62 | $3.1K | Form 4 |
| 2026-07-07 | Chen Pei-Hung | Officer (VP) | Open-market purchase | 44 | $76.62 | $3.4K | Form 4 |
| 2026-07-07 | Lee Chun-Hsien | Officer (SVP) | Open-market purchase | 50 | $76.62 | $3.8K | Form 4 |
| 2026-07-07 | Wei Che-Chia | Director, Officer (Chairman and CEO) | Open-market purchase | 146 | $76.62 | $11.2K | Form 4 |
| 2026-07-07 | Chang Tzonz-Sheng | Officer (SVP) | Open-market purchase | 52 | $76.62 | $4.0K | Form 4 |
| 2026-07-07 | Lin Chris Horng-Dar | Officer (VP and CIO) | Open-market purchase | 46 | $76.62 | $3.5K | Form 4 |
| 2026-07-07 | Chuang Juiping | Officer (VP) | Open-market purchase | 47 | $76.62 | $3.6K | Form 4 |
| 2026-07-07 | Ku Yao-Ching | Officer (VP) | Open-market purchase | 46 | $76.62 | $3.5K | Form 4 |
| 2026-07-07 | Wu Shien-Yang | Officer (SVP) | Open-market purchase | 54 | $76.62 | $4.1K | Form 4 |
| 2026-07-07 | Jang Syun-Ming | Officer (VP) | Open-market purchase | 47 | $76.62 | $3.6K | Form 4 |
| 2026-07-07 | Wang Ying-Lang | Officer (SVP) | Open-market purchase | 53 | $76.62 | $4.1K | Form 4 |
| 2026-07-03 | Chang Tzonz-Sheng | Officer (SVP) | Bona fide gift | 173,000 | — | $0 | Form 4 |
| 2026-07-03 | Chang Tzonz-Sheng | Officer (SVP) | Bona fide gift | 173,000 | — | $0 | Form 4 |
| 2026-06-30 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 1,000 | $75.70 | $75.7K | Form 4 |
| 2026-06-29 | Tien Bor-Zen | Officer (VP) | Open-market purchase | 1,000 | $76.64 | $76.6K | Form 4 |
| 2026-06-24 | Chuang Tzu-Sou | Officer (VP) | Bona fide gift | 500,000 | — | $0 | Form 4 |
| 2026-06-22 | Yuan Lipen | Officer (VP) | Open-market purchase | 1,000 | $79.19 | $79.2K | Form 4 |
| 2026-06-15 | Yuan Lipen | Officer (VP) | Open-market purchase | 1,000 | $75.26 | $75.3K | Form 4 |
| 2026-06-08 | Chuang Tzu-Sou | Officer (VP) | Bona fide gift | 500,000 | — | $0 | Form 4 |
| 2026-06-05 | Chin Yung-Pei | Officer (EVP and Co-COO) | Open-market purchase | 71 | $76.01 | $5.4K | Form 4 |
| 2026-06-05 | Cao Min | Officer (VP) | Open-market purchase | 54 | $76.01 | $4.1K | Form 4 |
| 2026-06-05 | Chang Tzonz-Sheng | Officer (SVP) | Open-market purchase | 53 | $76.01 | $4.0K | Form 4 |
| 2026-06-05 | Chen Chih-Ho | Officer (Controller) | Open-market purchase | 32 | $76.01 | $2.4K | Form 4 |
| 2026-06-05 | Chen Pei-Hung | Officer (VP) | Open-market purchase | 46 | $76.01 | $3.5K | Form 4 |
| 2026-06-05 | He Jun | Officer (VP) | Open-market purchase | 46 | $76.01 | $3.5K | Form 4 |
| 2026-06-05 | Chuang Tzu-Sou | Officer (VP) | Open-market purchase | 46 | $76.01 | $3.5K | Form 4 |
| 2026-06-05 | Chuang Juiping | Officer (VP) | Open-market purchase | 50 | $76.01 | $3.8K | Form 4 |
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Transaction types are the SEC Form 4 codes: open-market purchases (P) and sales (S) are the only rows that reflect open-market conviction. Awards/vesting (A), option exercises (M/X/C), shares withheld for taxes (F) and gifts (G) are compensation or mechanical, not buying or selling on the open market. Sales may be planned and non-discretionary (e.g. a Rule 10b5-1 plan); open-market buying is not a recommendation to buy. Informational only — not financial advice.
Source: SEC EDGAR Form 3/4/5. See the full company profile: TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM).
Last updated 2026-08-19 (most recent filing date).
Informational only — NOT financial advice. Insider filings are sourced from SEC EDGAR and shown with their reported dates.