Group 1 - On August 28, Dameng Data executed a block trade of 61,000 shares, with a transaction amount of 15.0115 million yuan, accounting for 1.35% of the total transaction amount for the day [1] - The transaction price was 246.09 yuan, which represents a 5% discount compared to the market closing price of 259.04 yuan [1] - The buying institution involved in the trade was a specialized agency, while the selling institution was CITIC Securities Co., Ltd. [2]