之江生物：累计回购公司股份1940434股

Group 1 - The core point of the article is that Zhijiang Bio announced a share buyback, having repurchased a total of 1,940,434 shares through the Shanghai Stock Exchange trading system as of January 30, 2026 [1] Group 2 - The share buyback was conducted via centralized bidding [1] - The announcement was made on February 2 [1]