According to TechFlow, an on-chain analyst named Ember, a Uniswap team/investor/consultant address transferred 2.359 million UNI (approximately US$20.2 million) to Coinbase Prime 6 hours ago.
This address received an allocation of 9 million UNI from Uniswap's team/investor/advisor token distribution address in September 2020. After transferring out 2.359 million UNI today, it still holds 6.64 million UNI (approximately US$56.77 million).