Tus-Design(SZ:300500) Zhong Guo Jing Ji Wang·2026-01-05 07:33Core Viewpoint - Tsinghua Design (启迪设计) has faced a significant drop in stock price, closing at 11.67 yuan with a decline of 15.74%, and a total market capitalization of 2.03 billion yuan due to the announcement of an investigation by the China Securities Regulatory Commission (CSRC) for suspected violations of information disclosure laws [1]. Group 1: Company Announcement - On December 31, 2025, Tsinghua Design received a notice from the CSRC regarding an investigation for suspected violations of information disclosure laws, leading to a formal case being opened [1]. - The company stated that all its business operations are currently normal and it will actively cooperate with the CSRC during the investigation, ensuring compliance with disclosure obligations [1]. Group 2: Shareholder Information - As of the end of the third quarter of 2025, the top ten unrestricted shareholders include: - Suzhou Saide Investment Management Co., Ltd. with 77.48 million shares - Dai Yaping with 4.26 million shares - Tang Shaohua with 2.17 million shares - Ren Hui with 1.35 million shares - Chen Yang with 1.17 million shares - Cha Lingrong with 889,200 shares - China Industrial and Commercial Bank - CITIC Prudential Multi-Strategy Flexible Allocation Mixed Securities Investment Fund (LOF) with 666,200 shares [2]. - Other notable shareholders include Sun Shouyun with 550,900 shares, Li Xiaofei with 517,000 shares, and Shenzhen Investment Control Group Co., Ltd. with 507,792 shares [2].