正海生物：关于持股5%以上股东减持股份的预披露公告

Core Viewpoint - Longwood Biotechnologies Inc. plans to reduce its stake in Zhenghai Biological by selling up to 3,600,000 shares, which represents 2% of the total share capital of the company [2] Group 1: Shareholder Information - Longwood holds 13,811,874 shares, accounting for 7.67% of the total share capital and 7.78% when excluding shares in the repurchase account [2] - The planned reduction will occur within three months after 15 trading days from the announcement date [2] Group 2: Share Reduction Details - The reduction will be executed through centralized bidding or block trading [2] - The maximum number of shares to be sold is 3,600,000, which is 2% of the total share capital and 2.03% when excluding shares in the repurchase account [2]