Federal prosecutors have charged a Google employee with allegedly using insider information to make trades on Polymarket, the online prediction market platform, according to an NPR report published Wednesday, May 28, 2026. The case marks one of the first criminal actions tied to alleged market manipulation on a platform that lets users bet real money on the outcomes of world events.
The charges
The Justice Department brought the charges against the Google staffer, though the government hasn’t – at least as of the NPR report – publicly named the individual. Prosecutors allege the employee exploited access to non-public information to place trades on Polymarket. The specific nature of that insider information wasn’t detailed in the initial report; the full scope of the charges hasn’t been released.
Polymarket drew significant attention during the 2024 election cycle, when its odds on political outcomes diverged sharply from traditional polling averages. The platform operates largely offshore and has faced recurring questions from regulators about whether its markets constitute illegal gambling or unregistered securities trading in the United States. A federal criminal case alleging insider trading on the platform is a different legal theory – and a more aggressive one.
U.S. strikes Iran
The DOJ announcement landed the same day NPR reported that the U.S. had struck Iran again, even as diplomatic talks aimed at ending the conflict pressed on. No further details on the strikes – their targets, their scope, or whether any casualties were reported – appeared in the NPR account. Peace negotiations are continuing, though their status remains unclear.
NPR has not yet reported additional specifics on either the identity of the charged Google employee or the precise timeline of the alleged Polymarket trades. No charges related to West Virginia have been announced in connection with either matter.
Reporting from NPR. Read the original report.
