Pump.fun has completed a significant buyback of PUMP tokens, spending approximately $222 million since July 15 to reduce the circulating supply by 16.085%. On December 28, the platform executed an on-chain repurchase worth $972,000, burning 530.2 million PUMP tokens using 7,958.42 SOL. This strategic move aims to enhance the token's value by decreasing its availability in the market.