The most recent insider trading activity at Arrivent Biopharma Inc. occurred on December 10, 2025, with a significant sell transaction by HILLHOUSE INVESTMENT MANAGEMENT, LTD. Prior to this, on January 30, 2024, several buy transactions were recorded from entities including GORDON CARL L, ORBIMED ADVISORS LLC, HEALY JAMES, and HILLHOUSE INVESTMENT MANAGEMENT, LTD.