The final quarter of the calendar year is a busy time for hedge fund managers. They may be arranging for Custody Rule audits, conducting annual compliance reviews, making required regulatory filings, handling year-end redemptions, making various tax elections, calculating fund expenses and conducting employee performance reviews. Thus, it is never too soon to start planning for the tasks that lie ahead in the next few months. This latest installment of the Hedge Fund Law Report’s quarterly compliance update highlights upcoming filing deadlines and reporting requirements fund managers should be aware of during the fourth quarter of 2025. This guest article by ACA Group consultants Grazia Gatti, Luis Garcia and Dan Campbell also includes information on the SEC’s and the CFTC’s Spring 2025 Regulatory Agendas – their so-called “Reg Flex” agendas – the creation of an Artificial Intelligence Task Force within the SEC and the SEC’s new statistics and data visualizations webpage. For more from ACA Group, see “ACA Compliance Testing Survey: AI and AML Are Now Top Compliance Concerns” (Aug. 28, 2025).