Japan Post Holdings is planning to sell shares in Japan Post Bank which could total some 600 billion yen ($4.02 billion), two sources familiar with the matter said, in the latest loosening of ties between the businesses.

Japan Post Holdings Co. plans to sell shares in Japan Post Bank Co. in a transaction that may total ¥600 billion ($4 billion) and reduce its stake below 50%, according to a person familiar with the matter,

Japan Post Holdings (NYSE:POST) is planning to sell shares in Japan Post Bank worth approximately 600 billion yen ($4.02 billion), according to sources familiar with the matter. The sale would lower Japan Posts stake