日科化学：关于持股5%以上股东之一致行动人减持计划实施完成的公告

Core Viewpoint - The announcement from 日科化学 indicates that a significant shareholder, 赵东升, has completed a share reduction plan, which may impact the company's stock performance and investor sentiment [2]. Summary by Relevant Sections Shareholder Reduction Plan - 赵东升 plans to reduce his holdings by up to 5,996,932 shares, representing approximately 1.29% of the company's total share capital, or 1.33% when excluding shares held in the repurchase account [2]. - The reduction will occur over a period of 90 days, with a maximum of 1% through centralized bidding and 2% through block trading [2]. - The reduction period is set from October 15, 2025, to January 14, 2026, starting 15 trading days after the announcement [2]. - The company has confirmed that the share reduction plan has been fully implemented as of the date of the announcement [2].