Tzu-Sou Chuang $TSM SEC Form 4 Insider Trading

Tzu-Sou Chuang has filed a total of 4 insider trades in $TSM since 2021. Their most recent trade was a purchase of 45 shares, made on Jul 07, 2026. Their largest trade was a sale of 200,000 shares, made on May 19, 2026. We estimate that they now own 1.5 million shares of $TSM, worth an estimated $573.7 million.

Insider Trading at $TSM

There have been a total of 125 insider trades reported at $TSM since 2021, with 29,274 shares purchased and 200,050 shares sold. The most active insider traders in $TSM stock have been Bor-Zen Tien, Shyue-Shyh Lin, and Chih-Ho Chen. The most recent trade was a purchase of 5 shares reported by Bor-Zen Tien (VP), made on Jul 28, 2026.

$TSM Executives and Stock Owners with Insider Trades

• Bor-Zen Tien, VP

• Shyue-Shyh Lin, VP

• Chih-Ho Chen, Controller

• Lipen Yuan, VP

• Choh Fei Yeap, SVP

• Tzu-Sou Chuang, VP

• Pei-Hung Chen, VP

• Yung-Haw Liaw, VP

• Yung-Chin Hou, SVP and Deputy Co-COO

• Yuh-Jier Mii, EVP and Co-COO

• Yuan-Ko Hwang, VP

• Ying-Lang Wang, SVP

• Tzonz-Sheng Chang, SVP

• Syun-Ming Jang, VP

• Shu-Hua Fang, SVP and GC

• Shien-Yang Wu, SVP

• Min Cao, VP

• Che-Chia Wei, Chairman and CEO

• Lee-Chung Lu, VP

• Kuo-Chin Hsu, VP

• Kevin Xiaoqiang Zhang, SVP and Deputy Co-COO

• Jun He, VP

• Juiping Chuang, VP

• Jen-Chau Huang, SVP and CFO

• Chue-San Yoo, VP

• Chris Horng-Dar Lin, VP and CIO

• Yung-Pei Chin, EVP and Co-COO

• Yao-Ching Ku, VP

• Yi-Huang Wu, VP

• Chun-Hsien Lee, SVP

• Chin-Sheng Lu, VP

• Chun-Hsien Lee, VP

*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.