The European Securities and Markets Authority (ESMA) is organizing its inaugural Data Day on December 2, 2025. This significant event aims to demonstrate how improved data utilization and digitalization can simplify regulatory frameworks. It also seeks to reduce reporting obligations for market participants without compromising deregulation. The theme for the Data Day is "Burden Reduction in the Digitalisation Era." The event will convene regulators, market participants, and data specialists to discuss simplification and digitalization synergies. Key discussion topics will include effective approaches to simplification and burden reduction. Sessions will also focus on streamlining compliance and re-evaluating regulatory necessities. Furthermore, participants will explore leveraging technology for efficient data management. The program will also address future trends and strategic priorities in data usage and governance. Both in-person and online attendees can interact with experts and policymakers.