Updated Jul 16, 2026
Chen Chih-Ho has filed 4 SEC Form 4 filings across 1 company in the last 90 days — active on both sides. Lifetime open-market purchases: $13K. Lifetime open-market sales: $4K.

Chen Chih-Ho is a financial executive currently serving as the Controller at Taiwan Semiconductor Manufacturing Co. Ltd. (TSMC), one of the world's leading semiconductor manufacturers. In this role, he is responsible for overseeing the company's financial reporting and compliance. TSMC is known for its advanced manufacturing processes and plays a critical role in the global semiconductor supply chain.
| Role | Controller |
|---|---|
| Notability | 70/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-16 | TSM | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD | S — Open-market sale | 50 | $75.22 | $4K |
| 2026-07-16 | TSM | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD | P — Open-market purchase | 50 | $74.60 | $4K |
| 2026-07-09 | TSM | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD | P — Open-market purchase | 31 | $76.62 | $2K |
| 2026-06-09 | TSM | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD | P — Open-market purchase | 32 | $76.01 | $2K |
| 2026-05-11 | TSM | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD | P — Open-market purchase | 34 | $71.82 | $2K |
| 2026-04-13 | TSM | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD | P — Open-market purchase | 40 | $57.87 | $2K |
Chen Chih-Ho is a financial executive currently serving as the Controller at Taiwan Semiconductor Manufacturing Co. Ltd. (TSMC), one of the world's leading semiconductor manufacturers. In this role, he is responsible for overseeing the company's financial reporting and compliance. TSMC is known for its advanced manufacturing processes and plays a critical role in the global sem…
4 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 5 open-market purchases ($13K) and 1 open-market sales ($4K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live Chen Chih-Ho profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.