The following insiders have purchased TSM shares in the last 24 months: Bor-Zen Tien ($723,871.75), Che-Chia Wei ($78,772.12), Chih-Ho Chen ($9,693.94), Chin-Sheng Lu ($11,447.67), Choh Fei Yeap ($16,482.61), Chris Horng-Dar Lin ($14,191.27), Chue-San Yoo ($15,654.53), Chun-Hsien Lee ($15,801.03), Jen-Chau Huang ($8,780.27), Juiping Chuang ($7,402.19), Jun He ($13,739.13), Kevin Xiaoqiang Zhang ($18,624.56), Kuo-Chin Hsu ($16,262.26), Lee-Chung Lu ($15,342.81), Lipen Yuan ($267,146.62), Min Cao ($16,485.62), Pei-Hung Chen ($13,662.51), Shien-Yang Wu ($16,867.22), Shu-Hua Fang ($170,971.02), Shyue-Shyh Lin ($303,152.81), Syun-Ming Jang ($14,652.38), Tzonz-Sheng Chang ($16,030.47), Tzu-Sou Chuang ($14,126.81), Yao-Ching Ku ($14,203.43), Yi-Huang Wu ($12,138.10), Ying-Lang Wang ($16,335.99), Yuan-Ko Hwang ($12,141.41), Yuh-Jier Mii ($21,297.20), Yung-Chin Hou ($18,703.95), Yung-Haw Liaw ($3,677.76), and Yung-Pei Chin ($21,294.43).