An early Ethereum investor (OG) who purchased 3,000 ETH at an average price of $18.8 in 2017 has recently begun profit-taking, as monitored by Lookonchain. The investor has sold 2,000 ETH at an average price of $3,096, totaling $6.19 million, with a net profit of $8.8 million (156x return). Additionally, this week the investor deposited 1,000 ETH (approximately $2.68 million) to Kraken and still holds 1,000 ETH in their wallet. This sell-off comes as Ethereum experienced its best-performing third quarter ever, with a return of 72.7%.