DOJ is investigating former congressman George Santos for insider trading on Kalshi

(NPR) In February, four months after being released from federal prison, former Republican congressman George Santos took to social media to express his enthusiasm about attending President Trump's upcoming State of the Union address.
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At the time, traders on the prediction market site Kalshi were placing millions of dollars worth of bets on who would attend. Santos' video confirming his presence sent odds soaring. But he didn't show up.
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What Santos didn't say was that he had already placed bets on Kalshi that he was not going to appear at the State of the Union address, according to three people with direct knowledge of his trades who were not authorized to speak publicly. They say Santos misled the public and turned a profit based on that deception in the tens of thousands of dollars.

Kalshi detected Santos' trades, froze his account and referred the case to the Commodity Futures Trading Commission and the Department of Justice, which both opened investigations into Santos, according to two people familiar with Kalshi's investigation who was not authorized to speak publicly.

https://www.npr.org/2026/06/02/nx-s1-5843371/george-santos-kalshi-insider-trading-investigation