Data: 663.19 BTC was transferred from an anonymous address and then sent to another anonymous address after a transfer

According to Arkham data, at 04:14, 663.19 BTC (worth approximately 61.63 million USD) was transferred from one anonymous address (starting with bc1qxe9j…) to another anonymous address (starting with bc1q6kq…). Subsequently, that address transferred a portion of the BTC (535.19 BTC) to another anonymous address (starting with bc1qk6c…).