Wei Che-Chia
Chairman and CEO
Wei Che-Chia has filed 7 SEC Form 4 filings (7 transaction rows) across 1 company, with disclosures dating back to 2026. 7 of those filings fall inside the rolling window. Most recent filing: Sep 9, 2026.
On the most recent filing, Wei Che-Chia is listed as Chairman and CEO at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD. Inside the rolling window, Wei Che-Chia reported 6 open-market purchases totaling $67K in TSM and no open-market sales. The largest disclosed transaction in the window is a purchase of 160 TSM shares on May 8, 2026, worth $11K.
Companies traded
Other insiders at TSM
Insider Buying
$67K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Wei Che-Chia made?
Wei Che-Chia has filed 7 SEC Form 4 filings (7 transaction rows) across 1 company since 2026.
Which companies does Wei Che-Chia trade?
Wei Che-Chia has filed SEC Form 4 disclosures for 1 company, including TSM.
When was Wei Che-Chia's most recent SEC Form 4 filing?
Wei Che-Chia's most recent SEC Form 4 filing on Tracefour is dated Sep 9, 2026.
What is Wei Che-Chia's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Wei Che-Chia is listed as Chairman and CEO.
What is Wei Che-Chia's total buy and sell value in the current window?
Inside the rolling retention window, Wei Che-Chia bought $67K and sold $0 based on SEC Form 4 filings.
What was Wei Che-Chia's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 160 TSM shares on 2026-05-08, worth $11K, per SEC Form 4 filings.