According to data monitored by Arkham, Grayscale transferred about 1202 BTC to Coinbase and Coinbase Prime this morning. The data shows that Grayscale transferred about 1050 BTC to Coinbase about 9 hours ago, worth about $66.96 million, and then transferred about 151.416 BTC to Coinbase Prime about 7 hours ago, worth about $9.76 million.