Publications Memos Go Back SEC Rule 10b5-1 and Insider Trading Liability 10.17.00 This memorandum summarizes the SEC's recently enacted Rule 10b-5 and sets forth the criteria that must be followed to establish the new affirmative defenses under the rule. Related Insights 06.12.25 | Publications Simpson Thacher Sustainability and ESG: Regulatory Update – June 2025 06.11.25 | Publications FCPA Enforcement Is Narrowed, but Continues: New Guidelines Chart DOJ’s Path Forward 06.05.25 | Publications The Ad Standard: Monthly Update - June 2025 Related Services Related Practice Areas Banking and Credit Corporate Litigation Capital Markets Asset Management M&A Securities Litigation Debt Acquisition Finance Complex Commercial Litigation