Kwong Sun Biotech -B (02509.HK) spent HK$711,900 on November 17 to buy back 34,600 shares.

Capital Connect Financial News App reported that TranzenBio-B (02509.HK) announced on November 17, 2025, that the company repurchased 34,600 shares at a total cost of 711,900 Hong Kong dollars, with a repurchase price per share ranging from 20.16 to 20.72 Hong Kong dollars.