TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) insider buying and selling
In the last 90 days at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM), 30 insiders made 34 open-market purchases worth $296K and there were no open-market sales, as reported on SEC Form 4. Over the last 12 months, 32 insiders bought $2.3M of the stock, led by URSULA M BURNS (Director), who bought $322K on Mar 31, 2026; 2 insiders sold $14.0M.
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Unlock TSMRecent open-market insider trades
Trades by the same insider within a week are shown as one line.
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Che-Chia Wei CEO | Open market purchase | 149 | $76.20 | $11K | |
| Yung-Pei Chin COO | Open market purchase | 71 | $76.20 | $5K | |
| Yuh-Jier Mii COO | Open market purchase | 71 | $76.20 | $5K | |
| Yung-Chin Hou COO | Open market purchase | 61 | $76.20 | $5K | |
| Kevin Xiaoqiang Zhang COO | Open market purchase | 61 | $76.20 | $5K | |
| Shien-Yang Wu SVP | Open market purchase | 57 | $76.20 | $4K | |
| Min Cao VP | Open market purchase | 56 | $76.20 | $4K | |
| Shu-Hua Fang SVP | Open market purchase | 56 | $76.20 | $4K | |
| Kuo-Chin Hsu VP | Open market purchase | 55 | $76.20 | $4K | |
| Choh Fei Yeap SVP | Open market purchase | 54 | $76.20 | $4K | |
| Ying-Lang Wang SVP | Open market purchase | 54 | $76.20 | $4K | |
| Tzonz-Sheng Chang SVP | Open market purchase | 53 | $76.20 | $4K | |
| Chue-San Yoo VP | Open market purchase | 53 | $76.20 | $4K | |
| Chun-Hsien Lee SVP | Open market purchase | 52 | $76.20 | $4K | |
| Lee-Chung Lu VP | Open market purchase | 51 | $76.20 | $4K |
What the TSM insider trades really mean
The table above is the public summary. With an Insider Intel account you get the analysis behind it, for TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD and every other stock we track:
TSM's AI Signal score
One score from six weighted factors, with the full breakdown behind it, so you can see whether the buying is a real signal.
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See each TSM insider purchase and sale plotted on the chart, with the gain or loss on every one since.
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Is URSULA M BURNS worth following? See their grade, win rate and average return on past purchases.
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Questions about TSM insider trading
Who bought TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) stock recently?
Insiders who bought TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD stock on the open market in the last 12 months: Shyue-Shyh Lin ($579K), Bor-Zen Tien ($458K), Lipen Yuan ($341K), URSULA M BURNS ($322K). The most recent purchase was reported on Sep 7, 2026.
Are insiders buying or selling TSM?
Over the last 12 months insiders were net sellers of TSM on discretionary trades: $2.3M bought against $14.0M sold (scheduled and tax-related sales excluded).
What is a sell-to-cover or 10b5-1 sale?
A 10b5-1 sale is scheduled in advance under a pre-arranged plan, and a sell-to-cover sale is made to pay tax on vesting shares. Neither is a fresh decision to sell, so they say less about an insider's view than a discretionary sale.
Where does this data come from?
Officers, directors and large shareholders report their trades to the SEC on Form 4. This page lists the open-market purchases and sales by individual insiders from those public filings; funds and other institutions are not shown.
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How to read this page
Officers, directors and large shareholders must report their trades in company shares to the SEC on Form 4. This page lists open-market purchases and sales by individual insiders: trades made on the stock exchange at the going price. Funds and other institutions are not shown here.
Information from SEC EDGAR Form 4 filings, shown for general information only. It is not financial advice and does not recommend buying or selling any security. Trades are shown by transaction date and may be reported up to two business days later.