According to on-chain analyst @EmberCN, an address holding a large amount of Solana redeemed 100,000 SOL (approximately $13.9 million) from staking and transferred it to a CEX.
The address staked 991,000 SOL four years ago, gaining a total of 300,000 SOL in staking rewards during the period. Currently, the address still has 1,191,000 SOL (approximately $167 million) in staking.