The newspaper, which reviewed a copy of the subpoena, said it was issued by the Securities and Exchange Commission in late April. Citing people familiar with the matter, it said prosecutors at the U.S. Justice Department had also requested information about Wang.

U.S. authorities are investigating the Asian hiring practices of JPMorgan to determine whether the bank gave jobs to Chinese government officials' children in return for lucrative banking assignments, the newspaper has reported.

(Reporting by Timothy Ahmann; Editing by Susan Heavey)