The following insiders have purchased TSM shares in the last 24 months: Bor-Zen Tien ($720,140.42), Che-Chia Wei ($67,339.96), Chih-Ho Chen ($7,232.85), Chin-Sheng Lu ($8,589.63), Choh Fei Yeap ($12,354.33), Chris Horng-Dar Lin ($10,698.11), Chue-San Yoo ($11,685.03), Chun-Hsien Lee ($11,752.14), Jen-Chau Huang ($6,557.35), Juiping Chuang ($7,402.19), Jun He ($10,325.36), Kevin Xiaoqiang Zhang ($13,940.55), Kuo-Chin Hsu ($12,133.98), Lee-Chung Lu ($11,452.70), Lipen Yuan ($263,971.02), Min Cao ($12,436.73), Pei-Hung Chen ($10,248.74), Shien-Yang Wu ($12,659.55), Shu-Hua Fang ($166,763.35), Shyue-Shyh Lin ($299,659.65), Syun-Ming Jang ($11,000.44), Tzonz-Sheng Chang ($11,981.58), Tzu-Sou Chuang ($10,474.87), Yao-Ching Ku ($10,551.49), Yi-Huang Wu ($9,041.89), Ying-Lang Wang ($12,207.71), Yuan-Ko Hwang ($9,045.20), Yuh-Jier Mii ($15,898.68), Yung-Chin Hou ($13,940.55), Yung-Haw Liaw ($3,677.76), and Yung-Pei Chin ($15,975.30).