The following insiders have purchased TSM shares in the last 24 months: Bor-Zen Tien ($275,454.80), Che-Chia Wei ($44,843.04), Chih-Ho Chen ($2,375.22), Chin-Sheng Lu ($2,834.94), Choh Fei Yeap ($4,060.86), Chris Horng-Dar Lin ($3,524.52), Chue-San Yoo ($3,907.62), Chun-Hsien Lee ($3,831.00), Jen-Chau Huang ($2,145.36), Jun He ($3,447.90), Kevin Xiaoqiang Zhang ($4,673.82), Kuo-Chin Hsu ($3,984.24), Lee-Chung Lu ($3,754.38), Lipen Yuan ($157,514.80), Min Cao ($4,137.48), Pei-Hung Chen ($3,371.28), Shien-Yang Wu ($4,137.48), Shu-Hua Fang ($4,137.48), Shyue-Shyh Lin ($3,371.28), Syun-Ming Jang ($3,601.14), Tzonz-Sheng Chang ($3,984.24), Tzu-Sou Chuang ($3,447.90), Yao-Ching Ku ($3,524.52), Yi-Huang Wu ($2,988.18), Ying-Lang Wang ($4,060.86), Yuan-Ko Hwang ($3,064.80), Yuh-Jier Mii ($5,210.16), Yung-Chin Hou ($4,673.82), Yung-Haw Liaw ($3,677.76), and Yung-Pei Chin ($5,286.78).