Hangzhou Jiuyuan Genetic Biopharmaceutical (HKG:2566) completed the conversion of all its 136.3 million unlisted shares into Hong Kong-listed shares on Thursday, according to a same-day bourse filing.
Shares of the firm were down over 1% in late morning trade on Friday.
The listing of and dealing in converted shares on the Hong Kong Stock Exchange began at 9:00 am on Friday.