Mii Yuh-Jier — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Mii Yuh-Jier has filed 4 SEC Form 4 filings across 1 company in the last 90 days — buying. Lifetime open-market purchases: $21K.

Profile

Mii Yuh-Jier

Mii Yuh-Jier is an executive at Taiwan Semiconductor Manufacturing Co. Ltd. (TSMC). In the most recent SEC filing dated May 11, 2026, she is listed as Executive Vice President (EVP) and Co-Chief Operating Officer (Co-COO) of the company. This places her among TSMC's top leadership and suggests responsibility for global operations and manufacturing initiatives at the world’s leading pure-play semiconductor foundry. The filing provides the role and affiliation but does not disclose additional biographical details such as education or prior positions outside TSMC.

RoleEVP and Co-COO
Notability75/100

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-07-09TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTDP — Open-market purchase68$76.62$5K
2026-06-09TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTDP — Open-market purchase72$76.01$5K
2026-05-11TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTDP — Open-market purchase75$71.82$5K
2026-04-13TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTDP — Open-market purchase88$57.87$5K

Companies — Last 90 Days

Frequently Asked Questions

Who is Mii Yuh-Jier?

Mii Yuh-Jier is an executive at Taiwan Semiconductor Manufacturing Co. Ltd. (TSMC). In the most recent SEC filing dated May 11, 2026, she is listed as Executive Vice President (EVP) and Co-Chief Operating Officer (Co-COO) of the company. This places her among TSMC's top leadership and suggests responsibility for global operations and manufacturing initiatives at the world’s lea…

How many SEC Form 4 filings has Mii Yuh-Jier submitted recently?

4 primary Form 4 filings in the last 90 days, covering 1 company.

Has Mii Yuh-Jier been buying or selling stock?

Recorded transactions: 4 open-market purchases ($21K) and 0 open-market sales () across all tracked filings.

Where can I see all of Mii Yuh-Jier'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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