According to EmberCN, Vitalik Buterin transferred 800 ETH from address 0x1Db...EE6 (Vb 2) to a multisig wallet at address 0xfEB...3B2. Subsequently, he sold 190 ETH from this wallet. The multisig wallet requires 2 out of 3 signatures to operate, and all three signature addresses are controlled by Vitalik Buterin.