Coinbase Institutional transferred 1,644 BTC, valued at approximately $132.16 million, to an unknown new wallet. The movement was flagged by on-chain monitoring tools as a notable outflow from the exchange's institutional custody accounts. The destination address had no prior transaction history, indicating it is a newly created wallet. Large transfers from exchange custodial wallets to unattributed addresses are typically monitored closely for potential market impact or accumulation activity.