On December 30, 2021, Bio Protech Inc. closed the transaction. The transaction included participation from Seok, Hee-bok for 21,928 shares, Kim, Hak-soo for 10,000 shares, Lee, Choong-Ho for 10,000 shares, Park, Sang-il for 13,333 shares, Kim, Jae-chan for 17,001 shares, Im, Jae-sang for 8,549 shares, Kim, Do-eun for 5,000 shares, Jang, Seong-yeon for 2,000 shares, Kwon, Byung-cheol for 12,383 shares, Im, Ho for 10,000 shares, Choi, Seung-jin for 14,438 shares, Jo, Nam-hyun for 14,630 shares, Shin, Kyung-jun for 1,000 shares, Lee, Eun-joo for 6,715 shares, Lee, Byung-tak for 15,000 shares, Guk, Mi-Seon for 9,618 shares, Kim, Soo Yeon for 4,000 shares, Song, Soon-ok for 2,000 shares, Lee, Kyung-hee for 2,000 shares, Choi, Myung-ha for 11,777 shares, Kim, Jeong-hwa for 409 shares, Lee, Eung-suk for 495 shares, Kim, Yun-seop for 5,000 shares, Yang, Seung-mi for 4,582 shares, Kim, Min-sook for 1,334 shares, Han, Mi- geum for 1,500 shares, Go, Myeong-wol for 1,334 shares, Kim, Mi-sook for 6,015 shares, Lee, Chan-sook for 1,334 shares, Yang, Shin-myung for 10,000 shares, Kim, Young-seo for 2,600 shares.