芯瑞达：关于股东减持股份预披露公告

Group 1 - The core point of the article is that shareholder Dai Yongjian, who holds 273,409 shares (0.13% of the total share capital after excluding repurchased shares), plans to reduce his holdings by the same amount within a specified timeframe [2][2][2] Group 2 - The reduction of shares will occur through centralized bidding and is scheduled to take place from October 20, 2025, to January 19, 2026 [2]