A U.S. federal judge has allowed new evidence to be added to a sprawling class-action lawsuit tied to Solana-based memecoin platform Pump.fun. This happened after a whistleblower resurfaced with nearly 5,000 internal chat messages that plaintiffs say shed new light on alleged insider trading and transaction manipulation. In a December 9, 2025 order filed in the U.S. District Court for the Southern District of New York, Judge Colleen McMahon granted plaintiffs permission to amend and refile their complai ...