TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD Insider Trading Activity
Every SEC Form 4 insider transaction reported for TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are TSM insiders buying or selling?
In the last 12 months, TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD insiders reported 196 open-market purchases ($3.0M) and 1 sale ($14.0M) — net selling of $10.9M. Since March 2026, Trabud has recorded 197 Form 4 filings for TSM: 196 buys ($3.0M) and 1 sells ($14.0M).
Source: SEC EDGAR Form 4
Key Statistics (March 2026 – Sep 9, 2026)
Total Form 4 filings
197
SEC EDGAR
Insider filers
32
Insider buys (196)
$3.0M
Insider sells (1)
$14.0M
Insider sentiment
Net sellingNet insider flow of $10.9M in net selling since March 2026, and $10.9M in net selling over the last 12 months. 67 insider buys in the last 90 days.
Recent TSM insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 9, 2026 | Yi-Huang Wu | VP | Purchase | 40 | $76.20 | $3.0K | SEC ↗ |
| Sep 9, 2026 | Chue-San Yoo | VP | Purchase | 53 | $76.20 | $4.0K | SEC ↗ |
| Sep 9, 2026 | Choh Fei Yeap | SVP | Purchase | 54 | $76.20 | $4.1K | SEC ↗ |
| Sep 9, 2026 | Kevin Xiaoqiang Zhang | SVP and Deputy Co-COO | Purchase | 61 | $76.20 | $4.6K | SEC ↗ |
| Sep 9, 2026 | Lipen Yuan | VP | Purchase | 41 | $76.20 | $3.1K | SEC ↗ |
| Sep 9, 2026 | Yuh-Jier Mii | EVP and Co-COO | Purchase | 71 | $76.20 | $5.4K | SEC ↗ |
| Sep 9, 2026 | Shien-Yang Wu | SVP | Purchase | 57 | $76.20 | $4.3K | SEC ↗ |
| Sep 9, 2026 | Che-Chia Wei | Chairman and CEO | Purchase | 149 | $76.20 | $11.4K | SEC ↗ |
| Sep 9, 2026 | Bor-Zen Tien | VP | Purchase | 48 | $76.20 | $3.7K | SEC ↗ |
| Sep 9, 2026 | Ying-Lang Wang | SVP | Purchase | 54 | $76.20 | $4.1K | SEC ↗ |
| Sep 9, 2026 | Chin-Sheng Lu | VP | Purchase | 38 | $76.20 | $2.9K | SEC ↗ |
| Sep 9, 2026 | Chris Horng-Dar Lin | VP and CIO | Purchase | 47 | $76.20 | $3.6K | SEC ↗ |
| Sep 9, 2026 | Shyue-Shyh Lin | VP | Purchase | 44 | $76.20 | $3.4K | SEC ↗ |
| Sep 9, 2026 | Chun-Hsien Lee | SVP | Purchase | 52 | $76.20 | $4.0K | SEC ↗ |
| Sep 9, 2026 | Lee-Chung Lu | VP | Purchase | 51 | $76.20 | $3.9K | SEC ↗ |
| Sep 9, 2026 | Syun-Ming Jang | VP | Purchase | 49 | $76.20 | $3.7K | SEC ↗ |
| Sep 9, 2026 | Yuan-Ko Hwang | VP | Purchase | 40 | $76.20 | $3.0K | SEC ↗ |
| Sep 9, 2026 | Kuo-Chin Hsu | VP | Purchase | 55 | $76.20 | $4.2K | SEC ↗ |
| Sep 9, 2026 | Jen-Chau Huang | SVP and CFO | Purchase | 30 | $76.20 | $2.3K | SEC ↗ |
| Sep 9, 2026 | Yao-Ching Ku | VP | Purchase | 47 | $76.20 | $3.6K | SEC ↗ |
| Sep 9, 2026 | Yung-Chin Hou | SVP and Deputy Co-COO | Purchase | 61 | $76.20 | $4.6K | SEC ↗ |
| Sep 9, 2026 | Juiping Chuang | VP | Purchase | 50 | $76.20 | $3.8K | SEC ↗ |
| Sep 9, 2026 | Shu-Hua Fang | SVP and GC | Purchase | 56 | $76.20 | $4.3K | SEC ↗ |
| Sep 9, 2026 | Jun He | VP | Purchase | 46 | $76.20 | $3.5K | SEC ↗ |
| Sep 9, 2026 | Tzu-Sou Chuang | VP | Purchase | 47 | $76.20 | $3.6K | SEC ↗ |
Showing the 25 most recent of 197 Form 4 filings for TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD.
Most active TSM insiders
- Bor-Zen Tien14 filings
- Shyue-Shyh Lin10 filings
- Lipen Yuan9 filings
- Choh Fei Yeap7 filings
- Shu-Hua Fang7 filings
Ask anything about TSM insider activity
Use Trabud's AI agent to query TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD's Form 4 history in plain English — "Show me TSM CEO purchases this year" or compare it against any other ticker.
Open the AI agentTSM insider trading FAQ
Are TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD insiders buying or selling?
In the last 12 months, TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD insiders reported 196 open-market purchases ($3.0M) and 1 sale ($14.0M) — net selling of $10.9M. Since March 2026, Trabud has recorded 197 Form 4 filings for TSM: 196 buys ($3.0M) and 1 sells ($14.0M). Over the full record that is net selling of $10.9M.
How many insiders trade TSM stock?
32 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD. The most recent filing was accepted on Sep 9, 2026.
Where does Trabud get TSM insider trading data?
All TSM insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.