Insider Trading for TSM
View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.
Insider Trading Summary
Shares Acquired
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Shares Disposed
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Net Position
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Recent Activity (30 Days)
Acquisitions: 184.7K shares
Dispositions: 173.1K shares
Net: 11.6K shares
Insiders have been net buyers recently, potentially signaling confidence in the company's short-term prospects.
Quarterly Activity (3 Months)
Acquisitions: 191.4K shares
Dispositions: 1.5M shares
Net: -1.3M shares
Insiders have been net sellers over the quarter, which institutional investors may view as a cautionary signal.
Key Insider Activity: May 8, 2026 to Jul 21, 2026
Chuang Tzu-Sou
ExecutiveVice President
-1.2M shares
5 transactions
Tien Bor-Zen
ExecutiveVice President
+8.1K shares
15 transactions
Lin Shyue-Shyh
ExecutiveVice President
+5.1K shares
7 transactions
Yuan Lipen
ExecutiveVice President
+2.1K shares
5 transactions
Wei Che-Chia
ExecutiveChief Executive Officer
+296 shares
2 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Jul 21, 2026 | Tien Bor-Zen | EVice President | Purchase | 1.0K | $74.13 | $74,130.00 | 13.1K | View |
| Jul 21, 2026 | Tien Bor-Zen | EVice President | Purchase | 1.0K | $74.75 | $74,750.00 | 4.0K | View |
| Jul 21, 2026 | Tien Bor-Zen | EVice President | Purchase | 1.0K | $74.44 | $74,440.00 | 3.0K | View |
Jul 21, 2026 | Locked | — | — | — | — | — | — | — |
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Jun 1, 2026 | Locked | — | — | — | — | — | — | — |
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May 8, 2026 | Locked | — | — | — | — | — | — | — |
May 8, 2026 | Locked | — | — | — | — | — | — | — |
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net sellers of TSM stock, though this may be part of planned diversification.