Publications Memos Go Back Reminder: Recent Revisions to Securities and Exchange Commission Periodic Reporting Requirements 12.29.05 This memo provides an overview of several changes to the periodic reporting obligations under the Securities Exchange Act of 1934. Related Insights 01.20.26 | Publications Revised HSR Act Thresholds and Increased Filing Fees 01.20.26 | Publications Fifth Circuit Rules That Soroban Was Incorrectly Decided and SECA Tax Exception Applies to Limited Partners With Limited Liability Regardless of Activities 01.15.26 | Publications Simpson Thacher Sustainability and ESG: Regulatory Update – January 2026 Related Services Related Practice Areas Corporate Capital Markets Debt