TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-07-16

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) has filed 102 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-16. InsiderAlpha tracks every TSM SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM)

SEC CIK0001046179

90-Day SEC Filing Activity

Form 4 filings (90d)102
Latest Form 4 filing2026-07-16

Recent TSM Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
Chen Chih-HoControllerS — Open-market sale50$75.22$4KSEC
Chen Chih-HoControllerP — Open-market purchase50$74.60$4KSEC
Lu Lee-ChungVPP — Open-market purchase49$76.62$4KSEC
Lu Chin-ShengVPP — Open-market purchase37$76.62$3KSEC
Fang Shu-HuaSVP and GCP — Open-market purchase54$76.62$4KSEC
Liaw Yung-HawVPP — Open-market purchase48$76.62$4KSEC
Yeap Choh FeiSVPP — Open-market purchase53$76.62$4KSEC
Mii Yuh-JierEVP and Co-COOP — Open-market purchase68$76.62$5KSEC
Huang Jen-ChauSVP and CFOP — Open-market purchase28$76.62$2KSEC
He JunVPP — Open-market purchase45$76.62$3KSEC
Zhang Kevin XiaoqiangSVP and Deputy Co-COOP — Open-market purchase61$76.62$5KSEC
Chin Yung-PeiEVP and Co-COOP — Open-market purchase69$76.62$5KSEC
Hsu Kuo-ChinVPP — Open-market purchase52$76.62$4KSEC
Chen Chih-HoControllerP — Open-market purchase31$76.62$2KSEC
Chuang Tzu-SouVPP — Open-market purchase45$76.62$3KSEC

All transactions sourced from SEC EDGAR Form 4 filings for TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM). Updated in real time as new filings are submitted to the SEC.

Most-Active TSM Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
Tien Bor-Zen16$318K
Chuang Tzu-Sou6$13.98M
Chang Tzonz-Sheng5$12K
Chen Chih-Ho5$15K
Yuan Lipen5$164K

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in TSM insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

TSM Insider Trading — FAQ

What is the latest insider trade for TSM?
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) had 102 insider filings in the last 90 days, with the most recent on 2026-07-16. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying TSM stock?
0 insider purchases of TSM were filed in the last 90 days.
How many insiders are selling TSM stock?
0 insider sales of TSM were filed in the last 90 days.
Where can I see TSM SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every TSM SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

Open the live TSM dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.