Publications Memos Go Back Revised HSR Act Thresholds 01.29.08 Related Insights 08.22.25 | Publications SEC Charges Private Equity Adviser for Management Fee Offset Practices Inconsistent With Governing Documents 08.14.25 | Publications Simpson Thacher Sustainability and ESG: Regulatory Update – August 2025 08.07.25 | Publications President Orders Department of Labor and Securities and Exchange Commission to Democratize Access to Alternative Assets for 401(k) Plans Related Services Related Practice Areas Corporate Litigation Mergers and Acquisitions Antitrust and Trade Regulation Complex Commercial Litigation