But they raise further questions about the Fed's conflict of interest policies and the oversight of central bank officials. Boston Fed President Eric Rosengren held between $151,000 and $800,000 worth of real estate investment trusts that owned mortgage-backed securities. He made as many as 37 separate trades in the four REITS while the Fed purchased almost $700 billion in MBS. Richmond Fed President Thomas Barkin held $1.35 million to $3 million in individual corporate bonds purchased before 2020. Barkin declined to comment but he did not appear to have any say over the individual corporate bonds purchased by the Fed.