Core Viewpoint - Shanghai Port Bay (605598) announced on October 14 that its stock was included in "commercial aerospace concept stocks" and "perovskite battery concept stocks" by some platforms, despite the company's main business remaining unchanged as geotechnical engineering related to foundation treatment and pile foundation projects [1] Financial Performance - As of the audited financial data for 2024, the revenue contribution from commercial aerospace and perovskite solar businesses is less than 1%, indicating a small scale and no profitability [1] Insider Trading - During the period of unusual stock trading fluctuations on October 14, the company's director and deputy general manager, Lan Ruixue, along with director Liu Yu and board secretary Wang Yiqian, reduced their holdings by 30,000 shares, 29,000 shares, and 31,500 shares respectively according to their reduction plans [1]

Core Viewpoint - Shanghai Port Bay (605598.SH) announced that its stock experienced unusual trading fluctuations, attributed to its classification as a "commercial aerospace concept stock" and "perovskite battery concept stock" by certain platforms, despite its main business remaining unchanged [1] Company Summary - The company's primary operations focus on ground treatment and pile foundation engineering related to geotechnical engineering [1] - As of the audited financial data for 2024, the revenue contribution from commercial aerospace and perovskite solar businesses is less than 1%, indicating a small scale and lack of profitability [1] - The recent classification of the company’s stock does not have a substantial impact on its current main business operations [1] Insider Trading Summary - During the period of unusual stock trading fluctuations on October 14, 2025, the company's vice president and board member, Lan Ruixue, sold 30,000 shares according to a reduction plan [1] - Board member Liu Yu sold 29,000 shares on the same date under a reduction plan [1] - Company secretary Wang Yiqian sold 31,500 shares on October 14, 2025, also in accordance with a reduction plan [1]