北交所上市公司颖泰生物大宗交易折价28.85%，成交金额110.06万元

Group 1 - The core event involves a block trade of Yingtai Biological (stock code: 920819) on November 21, 2025, with a closing price of 4.09 yuan per share [1] - The block trade was executed at a price of 2.91 yuan per share, with a total volume of 378,200 shares, resulting in a transaction amount of 1.1006 million yuan, reflecting a discount of 28.85% [1] Group 2 - The buying brokerage was CITIC Securities (Shandong) Co., Ltd., specifically the Longkou Nanshan Road Securities Business Department [1] - The selling brokerage was Donghai Securities Co., Ltd., specifically the Weihai Donghai Road Securities Business Department [1]