# Matt Klein

**Type:** Person  
**Role:** Minnesota House candidate (Democrat), state lawmaker  
**Domain:** Internet Finance (Prediction Markets)  
**Status:** Active (political candidate)  

## Overview

Matt Klein is a Minnesota state lawmaker running for a House seat who bet on his own candidacy on Kalshi in early 2026. He cooperated with the platform's investigation and settled, receiving lighter penalties than adversarial cases.

## Timeline

- **2026-04-22** — Kalshi announced disciplinary action: 5-year suspension and $540 fine for betting on own candidacy. Klein cooperated with investigation, resulting in lighter penalty compared to adversarial cases.

## Significance

Klein's case demonstrates the cooperative enforcement pathway for prediction market insider trading violations, where platforms impose lighter penalties for candidates who acknowledge violations and settle. The $540 fine is minimal relative to the information advantage a candidate has about their own race dynamics.

## Related

- [[kalshi]]
- [[prediction-market-insider-trading-concentrates-in-three-principal-types-requiring-different-enforcement-mechanisms]]