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Judge Ideology and Opportunistic Insider Trading

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  • Huang, Allen H.
  • Hui, Kai Wai
  • Zheng, Yue

Abstract

Although federal judges are the ultimate arbiters of insider trading enforcement, the role of their political ideology in insider trading is unclear. Using the partisanship of judges’ nominating presidents to measure judge ideology, we first document that liberal judges are associated with heavier penalties in insider trading lawsuits than conservative judges. Next, we find that firms located in circuits with more liberal judges have fewer opportunistic insider sales. Cross-sectional analyses show that this deterrent effect is stronger when managers face a higher risk of insider trading lawsuits. Finally, we find that the Securities and Exchange Commission considers judges’ ideology when selecting litigation forums.

Suggested Citation

  • Huang, Allen H. & Hui, Kai Wai & Zheng, Yue, 2025. "Judge Ideology and Opportunistic Insider Trading," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 60(4), pages 1656-1685, June.
    • Handle: RePEc:cup:jfinqa:v:60:y:2025:i:4:p:1656-1685_3
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