According to on-chain analyst Yu Jin's monitoring, the FTX/Alameda associated wallet H4y...gFZ redeemed 177,693 SOL (worth $23.75 million) from Solana PoS staking 7 hours ago and may subsequently transfer the SOL to CEX.
The address H4y...gFZ currently still has as much as 70.57 million SOL (worth $943 million) in staking.