Google Engineer Arrested for Insider Trading on Polymarket

Source:Wired

02 — Who / Subject

Michele Spagnuolo

03 — Where / Locus

New York, USA

04 — When / Temporality

May 27, 2026

Verified: May 27, 2026

05 — Why / Core Summary

"A Google security engineer, Michele Spagnuolo, was arrested for using confidential internal data to place trades on Polymarket. The suspect allegedly netted $1.2 million by predicting Google's most-searched person of 2025. This is the first arrest of a tech worker for insider trading on a prediction market."

Conflict Analysis

This case highlights the growing regulatory scrutiny of prediction markets and the risks of insinformationr trading involving AI and tech data.

Recommended Background Resource

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The Prediction Market: How the Wisdom of Crowds Can Help Us Make Better Decisions

Author: Emile Servan-Schreiber

This book provides a foundational understanding of how prediction markets function and their potential to aggregate information. It helps contextualize why these platforms are becoming targets for manipulation and the ethical challenges inherent in decentralized betting on future events.

Explore Background Book (Amazon)

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