Prediction Market News: Kalshi Fines MrBeast Associate Over Insider Trading Amid State Crackdown

Kalshi Inc., a U.S.-regulated prediction market, suspended Artem Kaptur on February 25, 2026, for insider trading tied to MrBeast contracts. The action followed trades he placed in August and September 2025 while working as a visual effects editor for James Donaldson, known as MrBeast. Kalshi said Kaptur used material non-public information and failed to cooperate with its investigation.