三元基因：股东拟减持股份的预披露公告

Group 1 - The core point of the article is that Sanyuan Gene announced a plan for a major shareholder, Zhang Hongbin, to reduce his stake in the company by 2% through block trading due to personal financial needs [2] Group 2 - Zhang Hongbin, who holds more than 5% of the shares, plans to sell 2,436,200 shares within three months after 15 trading days from the announcement date [2] - The shares to be reduced were acquired before the company entered the Beijing Stock Exchange [2]