光格科技今日大宗交易折价成交20万股，成交额585万元

Group 1 - The core event involves a block trade of 200,000 shares of Guangge Technology, with a transaction value of 5.85 million yuan, accounting for 20% of the total trading volume on that day [1] - The transaction price was 29.25 yuan, which represents a discount of 1.52% compared to the market closing price of 29.7 yuan [1] Group 2 - The trade occurred on September 1, 2025, under the stock code 688450 for Guangge Technology [2] - The buying brokerage involved was Changjiang Securities, while the selling brokerage was Everbright Securities [2]