Group 1 - On July 29, Huibai New Materials conducted a block trade of 368,300 shares, with a total transaction value of 10.0178 million yuan, accounting for 6.38% of the total transaction volume for the day [1] - The transaction price was 27.20 yuan, which represents a discount of 10.38% compared to the market closing price of 30.35 yuan [1] - The block trade involved institutional buyers, with specific details indicating that the shares were purchased through Dongxing Securities [2]