The chairman of boutique investment bank China Renaissance remains under investigation in the mainland.

China Renaissance chair Bao Fan «cooperating in an investigation carried out by certain authorities» in the mainland, according to a stock exchange filing. The company also notes that business and operations are continuing normally under the supervision of its executive committee.

«The company noted that Mr. Bao is still cooperating in the investigation carried out by certain authorities in the PRC,» the filing said.

Bao first disappeared in February 2023 before a filing that noted that he was helping a probe by local officials. Trading of the firm’s shares have been suspended since April. China Renaissance was established in 2005 and currently has over 400 staff across Shanghai, Hong Kong and New York.