东方生物：完成回购180.13万股

Group 1 - The company has completed a share buyback, repurchasing 1.8013 million shares, which accounts for 0.8935% of the total share capital [1] - The buyback price ranged from 26.45 yuan per share to 29.52 yuan per share, with a total expenditure of 49.9943 million yuan [1] - The repurchased shares will be used to maintain the company's value and protect shareholder interests, and will be sold through centralized bidding 12 months after the announcement of the buyback results [1]