Xin Lang Cai Jing·2025-10-11 02:45Core Insights - Tianyi Shangjia (688033) investor compensation case has been officially filed in Shanghai Financial Court, with ongoing acceptance of claims from other investors [1] - Guandian Defense (688287) investor compensation case has also been filed, with the firm continuing to accept claims from investors [2] Summary by Relevant Sections Tianyi Shangjia (688033) - The company received a warning letter from Beijing Securities Regulatory Bureau for delayed disclosure of significant events related to its actual controller [1] - Investors who purchased Tianyi Shangjia shares between March 13 and March 15, 2024, and sold or held them after March 15, 2024, may still file for compensation [1] Guandian Defense (688287) - The company was penalized for failing to disclose related party transactions and guarantees, leading to significant omissions in its reports [2] - Investors who bought Guandian Defense shares between May 25, 2022, and April 30, 2024, and sold or held them after April 30, 2024, are eligible to initiate compensation claims [2]