The Ethereum Foundation's associated address transferred 18,000 ETH to other addresses in the past hour

According to on-chain data analyst @ai_9684xtpa, the Ethereum Foundation's associated address is transferring a large amount of ETH. On November 20, 2015, the Ethereum Foundation transferred 44,167 ETH (at that time the price of ETH was only $0.9268) to an address starting with 0x8e2. This batch of ETH has been transferred three times within nine years and each transfer was accompanied by partial sales or deposits into trading platforms; The last 18,089 ETH from this address have been transferred to the address starting with 0x879...eD812 in the past hour, worth $64.48 million.