This whale sold 5,000 ETH ($19.67M) at a price of $3,934 on March 13 and made a profit of $28M on ETH. After the price fell, he started to buy ETH and BTC again at the bottom.
He bought 24.02 million DAI into WBTC and ETH 15 minutes ago:
13.5 million DAI→205 WBTC;
10.52 million DAI→3081 ETH.
Did the whale think that the price had corrected enough, so he re-entered the market