Bitwise BITB transfers 266.82 BTC to another address

According to Arkham data, on September 10th, Bitwise spot Bitcoin exchange traded fund BITB transferred 266.82 BTC, approximately $15.24 million, to an unmarked address four hours ago. In addition, the Nonco tagged address transferred 789.171 ETH, approximately $1.84 million, to the Bitwise ETHW address about five minutes ago.