Core Viewpoint - Shanghai Hojin Silicon Materials Co., Ltd. experienced a significant stock price fluctuation, with a cumulative closing price increase exceeding 30% over two consecutive trading days on August 12 and 13, 2025 [1] Summary by Relevant Sections - Stock Price Movement - The stock price of Shanghai Hojin has shown abnormal volatility, with a cumulative increase of over 30% in closing prices during the specified trading days [1] - Regulatory Compliance - The company has adhered to the Shanghai Stock Exchange's trading rules and the real-time monitoring guidelines for abnormal trading on the Sci-Tech Innovation Board [1] - Company Self-Verification - Following self-examination and written inquiries to its controlling shareholder, the company confirmed that there are no undisclosed significant information as of the announcement date [1] - Management Trading Activity - The company verified that its controlling shareholder, directors, and senior management did not engage in buying or selling the company's stock during the period of abnormal trading [1]
上海合晶：股票交易异常波动 不存在应披露而未披露的重大信息