Summary
Updated Aug 31, 2026
Chih-Ho Chen is Controller of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM). 6 SEC Form 4 filings on record, most recently on 10 August 2026. Most recent open-market trade: bought $2K of TSM on 10 August 2026. Lifetime open-market purchases: $16K. Lifetime open-market sales: $4K.
Recent Transactions
7Every recent SEC Form 4 transaction Chih-Ho Chen has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Chih-Ho Chen files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Tzu-Sou Chuang - $13.98M of TSM open-market activity in the last 12 months
- Bor-Zen Tien - $829K of TSM open-market activity in the last 12 months
- Shyue-Shyh Lin - $655K of TSM open-market activity in the last 12 months
- Lipen Yuan - $344K of TSM open-market activity in the last 12 months
- Ursula M. Burns - $322K of TSM open-market activity in the last 12 months
- Choh Fei Yeap - $76K of TSM open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Chih-Ho Chen?
Chih-Ho Chen is a corporate insider, tracked as Controller of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Chih-Ho Chen submitted recently?
4 primary Form 4 filings in the last 90 days, covering 1 company.
Has Chih-Ho Chen been buying or selling stock?
Recorded transactions: 6 open-market purchases ($16K) and 1 open-market sale ($4K) across all tracked filings.
Where can I see all of Chih-Ho Chen's SEC 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.
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