科拓生物今日大宗交易折价成交142万股，成交额1973.8万元

Group 1 - The core transaction of Keta Bio involved a block trade of 1.42 million shares, with a total transaction value of 19.738 million yuan, accounting for 22.32% of the total trading volume on that day [1] - The transaction price was 13.9 yuan, representing a discount of 15.04% compared to the market closing price of 16.36 yuan [1]