Insiders who reported open-market trades in the last 12 months at the companies Chun-Hsien Lee 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 - $13.99M in TSM purchases and sales in the last 12 months
Bor-Zen Tien - $836K in TSM purchases and sales in the last 12 months
Shyue-Shyh Lin - $662K in TSM purchases and sales in the last 12 months
Lipen Yuan - $350K in TSM purchases and sales in the last 12 months
Ursula M. Burns - $322K in TSM purchases and sales in the last 12 months
Shu-Hua Fang - $183K in TSM purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Chun-Hsien Lee is a corporate insider, tracked as SVP of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM). InsiderAlpha holds 8 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 Chun-Hsien Lee submitted recently?
4 primary Form 4 filings in the last 90 days, covering 1 company.
Has Chun-Hsien Lee been buying or selling stock?
Recorded transactions: 7 open-market purchases ($27K) and 0 open-market sales across all tracked filings.
Chun-Hsien Lee is SVP of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM). 8 SEC Form 4 filings on record, most recently on 8 October 2026. Most recent open-market trade: bought $4K of TSM on 8 October 2026. Lifetime open-market purchases: $27K.
Recent transactions
8
The latest 8 SEC Form 4 transactions reported by Chun-Hsien Lee.
InsiderAlpha's records for Chun-Hsien Lee go back to 2026: 8 primary Form 4 filings, an average of 8.0 per year. The typical open-market purchase is $4K (7 buys totaling $27K). The largest single buy on record is $4K of TSM in 2026. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
