[U.S. Sergeant Major Indicted for Earning $400,000 Through Predictive Market Insider Trading] According to BusinessInsider, U.S. Army Special Forces Sergeant Major Gannon Van Dyke has been indicted for illegally profiting $400,000 by leveraging military classified information on the Polymarket platform. He had attempted to open an account on Kalshi but was rejected due to failed identity verification. Polymarket stated that it had reported his suspicious transactions to law enforcement and is cooperating with the investigation. This case is regarded as the first major criminal insider trading case in the predictive market sector.