According to Lookonchain, on July 6, a wallet that had been dormant for 10.3 years suddenly became active, transferring all 1,004.5 BTC, worth $56.9 million.
The wallet received 1,004.5 BTC ($738,000 at that time) at an average price of $735 on Nov 25, 2013 and Mar 13, 2014.