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Polymarket fires marketing chief Modabber amid fabricated trade allegations

1 reports1 sources10/23/2026 updated

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Polymarket reportedly fired chief marketing officer Matthew Modabber following an internal investigation into allegations of fabricated trades. According to CoinDesk, the board stated Modabber was obstructing efforts to improve the platform's image ahead of a potential listing. Modabber, a longtime friend of CEO Shayne Coplan, had held the position since January 2024.

Written with AI from the reporting · updated 10/23/2026

Latest developmentOct 23, 13:01
Polymarket Fires Marketing Chief Matthew Modabber Amid Fake Trade Allegations Ahead of Potential IPO
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  1. 1Unclassified fact stationOct 23, 00:00recorded Oct 23, 13:32single sourcerevised

    Polymarket reportedly fires marketing chief Modabber

    Read original source ↗ CoinDeskReplay this moment in the explorer
    Evidence & revisions · 1 source records
    Subject：
    Matthew Modabber
    Action：
    fired
    Object：
    chief marketing officer position
    Occurred (fact side)：
    Oct 23, 00:00
    CoinDesk ↗Report pageRevision 2 · currently revised
    Published (valid side)：
    Oct 23, 13:01
    First seen (known side)：
    Oct 23, 13:32
    Fact stationSingle source · one-sided claimRevised

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Oct 23
  1. CoinDeskRelated fact: single sourceSource report revised
    Polymarket Fires Marketing Chief Matthew Modabber Amid Fake Trade Allegations Ahead of Potential IPO

    Report first recorded Oct 23, 13:32

    Polymarket fired its chief marketing officer, Matthew Modabber, following an internal investigation into incidents, including an alleged scheme involving fake trades, as reported by The New York Post. The Commodity Futures Trading Commission is investigating claims that Modabber’s team created a webpage featuring videos of users profiting from fake trades, though no wrongdoing has been proven. Polymarket's board concluded that Modabber was hindering efforts to improve the prediction market’s image as it considers a potential initial public offering. Modabber served as CMO since January 2024.

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