On May 23rd, the CSRC reported three cases of illegal securities and futures, among which Yang Zhishan, the former independent director of Shanxi Zhangze Electric Power Co., Ltd., was involved in insider trading. According to the disclosure of the CSRC, Yang Zhishan was the independent director of Zhangze Power and participated in the asset restructuring between the company and Tongmei Group. He used the inside information he knew to instruct others to open an account to buy Zhangze Power shares, and sold them at a low price after knowing that the CSRC began an investigation, with the intention of reducing legal sanctions with losses. The person in charge of the Securities and Futures Commission said that stealing chickens is not a counter-erosion, and shooting themselves in the foot.

yang zhishan was the quality director of citic securities research department, the chief analyst of the power industry and the independent director of zhangze power. According to the clues discovered by the monitoring of Shenzhen Stock Exchange, in November 211, the CSRC filed an investigation on Yang Zhishan's alleged use of inside information to trade Zhangze Power shares. After investigation, Yang Zhishan's related trading behavior was suspected of committing a crime. In February 212, the CSRC transferred the case to the public security organ for investigation. At present, Yang Zhishan is criminally detained by the public security organs.