Block 583,139 appended on the 30th of June contained 25 transactions valued at approximately $6 billion at the time. All of the transactions were noted to be part of one larger transaction with the final address receiving the equivalent of 5,800 bitcoin. One of the transactions came from a vanity address 1BUYBTC1oYQtAjktSRZUtjkeBJ15ABc5bb with the following output description:
“We’ll buy your Bitcoins. sell.buy.bitcoin@protonmail.com”
Sources: CoinTelegraph, Blockchain.info
