Kojay Pharmaceuticals: Jiang and his concerted action group have increased their stake by 38.2%

Koji Pharmaceutical announced that Yijie Biotechnology Holdings Limited and its concerted action parties have collectively purchased 335,000 shares of stock between November 6, 2025, and December 17, 2025. After the increase in shareholdings, Yijie's concerted action group holds 218 million shares, accounting for approximately 38.2% of the total number of shares issued as of the date of this announcement.