According to Onchain Lens, the reported May 12 move involved Solana tokens being released from staking (locking crypto to help secure a network and earn rewards).
Onchain Lens reported on May 12 that FTX/Alameda unstaked 199,263 SOL valued at $19.4 million. In crypto markets, unstaking means tokens are withdrawn from staking (locking crypto to help secure a network and earn rewards), making them available for transfer or other uses after the network’s applicable process. The report identifies the asset as SOL, the native token of the Solana blockchain.