Tzu-Sou Chuang $TSM SEC Form 4 Insider Trading

Tzu-Sou Chuang has filed a total of 2 insider trades in $TSM since 2021. Their most recent trade was a sale of 200,000 shares, made on May 19, 2026. Their largest trade was a sale of 200,000 shares, made on May 19, 2026. We estimate that they now own 2.5 million shares of $TSM, worth an estimated $998.8 million.

Insider Trading at $TSM

There have been a total of 42 insider trades reported at $TSM since 2021, with 11,945 shares purchased and 200,000 shares sold. The most active insider traders in $TSM stock have been Bor-Zen Tien, Shyue-Shyh Lin, and Choh Fei Yeap. The most recent trade was a purchase of 10 shares reported by Bor-Zen Tien (VP), made on May 19, 2026.

$TSM Executives and Stock Owners with Insider Trades

• Bor-Zen Tien, VP

• Shyue-Shyh Lin, 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

• Lipen Yuan, VP

• 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

• Chun-Hsien Lee, VP

• Chue-San Yoo, VP

• Chris Horng-Dar Lin, VP and CIO

• Chih-Ho Chen, Controller

• Yung-Pei Chin, EVP and Co-COO

*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.