CoinVoice has recently learned that on-chain analyst Yu Jin calculated the amount and price of ETH purchased by Bitmine and SharpLink since they began reserving ETH. The buying costs for the two Ethereum purchases are as follows:

BitMine (BMNR) started buying ETH on 7/9, and by 8/17, the amount of ETH held was 1,523,373 coins, with an average cost of $3,730;

SharpLink (SBET) started buying ETH on 6/13, and by 8/17, the amount of ETH held was 740,760 coins, with an average cost of $3,478. [Original link]