Core Viewpoint - The recent criminal detention of a listed company's chairman and his celebrity girlfriend for insider trading highlights the ongoing high-pressure regulatory environment in China's capital markets, signaling that insider traders will face severe consequences [1][2]. Group 1: Insider Trading and Market Impact - Insider trading involves individuals with access to non-public information trading securities before that information is made public, which undermines market integrity and harms other investors [1][2]. - The case illustrates a breach of trust by a core management figure who leaked significant asset restructuring information to exploit information asymmetry for illegal gains, violating the principles of fairness in the capital market [2]. Group 2: Regulatory Response and Legal Framework - The social harm of insider trading lies in the act itself, regardless of whether the involved parties profit, as it severely disrupts market order [3]. - Regulatory authorities have adopted a "zero tolerance" approach to deter illegal activities in the capital market, with the China Securities Regulatory Commission (CSRC) reporting the transfer of 163 cases and over 600 individuals suspected of crimes in 2024 [3]. Group 3: Future Improvements in Regulation - There is a need for further optimization of existing laws and regulations to adapt to evolving market practices, ensuring a robust legal framework for capital market operations [3][4]. - Recommendations include the use of advanced regulatory technologies for monitoring abnormal trading activities and enhancing the identification of insider trading through big data and intelligent analysis [3][4]. - The establishment of more guiding and typical cases by the Supreme People's Court is suggested to clarify legal ambiguities and provide clear guidance on contentious issues related to insider trading [4].