Chinese prosecutors have filed indictments against Yao Gang, former vice chairman of the China Securities Regulatory Commission, as well as two other senior officials in three separate cases.
According to the Supreme People's Procuratorate on Thursday, Yao is accused of taking bribes and insider trading.
The indictment said Yao had taken advantage of his posts at the commission to seek benefits for others and accepted a huge amount of money and gifts in return.
In addition, he used information acquired during his work to carry out insider trading.
Yao's case has been filed by Handan city procuratorate in Hebei Province.
Prosecutors in Fujian and Beijing also filed indictments against Chen Shulong, former vice governor of Anhui Province, and Zhang Huawei, a former vice-ministerial level discipline inspector, in two other cases.
Chen has been charged with bribery, abuses of power, insider trading and breaches of confidentiality.
He is accused of taking advantage of his posts to seek profits for others, accepting money and property and duty crimes which caused financial losses to the country.
Zhang Huawei has been charged with accepting bribes and is accused of taking advantage of his posts and other state functionaries' duties to seek illicit gains for others, as well as accepting huge amounts of money and property.