SEC Ending Tick Size Pilot Program A Few Days Early

Healthcare M&A activity maintained steady momentum through Q2 2026, driven by physician practice consolidation, AI-enabled technology acquisitions, and strategic outpatient expansion. Private equity investment persisted despite intensifying regulatory scrutiny of MSO arrangements, while digital health buyers paid significant premiums for platforms demonstrating production-grade AI capabilities and proprietary data assets.

The SEC and CFTC have fundamentally shifted their enforcement approach in 2026, moving away from high-volume technical violations toward targeted actions addressing serious fraud and market manipulation. This mid-year update examines new leadership priorities, enhanced inter-agency coordination, revised cooperation policies, the elimination of "no-deny" settlement provisions, and a landmark Supreme Court ruling on disgorgement that collectively reshape the regulatory landscape for market participants.

On 30 September 2026, the SEC proposed rule amendments advancing Chairman Paul S. Atkins’ “responsible retailization” of private markets, expanding retail access to private-market strategies while adding key investor safeguards.

As we look ahead to 2025, the landscape of debt financing and M&A activity is poised for significant transformation.

Since its establishment by executive order by President Ford in 1975, the Committee on Foreign Investments in the United States, popularly referred to as "CFIUS," has monitored national security...

What Every Owner Needs to Know Before Signing on the Dotted Line

Law firms are one of the last major professional services segments without meaningful private equity (PE) penetration.

Simpson Thacher Sustainability And ESG: Regulatory Update – September 2026

The European Union's Cyber Resilience Act introduces mandatory cybersecurity requirements for software and connected hardware sold in the EU market, with vulnerability reporting obligations beginning September 2026...

SEC-registered investment advisers are subject to an array of reporting and compliance obligations in order to maintain registered investment adviser status.

FinCEN notified U.S. financial institutions that the Financial Action Task Force ("FATF") updated the list of jurisdictions with strategic deficiencies in combating anti-money laundering and countering the financing of terrorism ("AML/CFT").

The Federal Communications Commission is seeking public feedback on modernizing its accessibility framework to address rapid changes in consumer technology. The draft Notice of Proposed Rulemaking examines whether existing rules keep pace with today's communications marketplace or inadvertently hinder innovation in accessibility solutions.

The Surface Transportation Board has lifted its abeyance and established a procedural roadmap for the Union Pacific and Norfolk Southern merger proceeding, marking the official start...

The Health Resources and Services Administration has announced a revised 340B Rebate Model Pilot Program for drugs subject to Medicare's Maximum Fair Price, expanding eligibility to manufacturers with selected drugs for 2026 and 2027. The program introduces new data requirements, dispute resolution mechanisms, and stricter compliance monitoring while addressing stakeholder concerns about administrative burden and program integrity.

Landlords of rent stabilized buildings in New York City have filed a lawsuit challenging the rent freeze passed by the Rent Guidelines Board, questioning the Board's independence and data integrity. With operating costs rising 31% over five years while the Board voted 7-1 for a freeze affecting 1 million apartments, the case raises critical questions about the balance between tenant protection and landlord viability.

The SEC has issued a groundbreaking Innovation Exemption order that creates a five-year regulatory framework for trading tokenized versions of major U.S. exchange-listed stocks. This temporary relief exempts certain digital asset venues and liquidity providers from traditional securities regulations, establishing permissioned environments for on-chain secondary markets while maintaining investor protections.

The Financial Crimes Enforcement Network's ("FinCEN") Financial Action Task Force ("FATF") updated its list of jurisdictions ...

On February 25, 2026, the Office of the Comptroller of the Currency (the "OCC") issued a Notice of Proposed Rulemaking (the "NPRM") to implement the Guiding and Establishing National Innovation for U.S. Stablecoins Act (the "GENIUS Act").

This September 2026 edition of Quorum examines critical developments in corporate governance, M&A transactions, and securities regulation, including Delaware Court decisions on strategic investor rights and control group standards, new SEC guidance on beneficial ownership reporting, and Supreme Court rulings on disgorgement remedies. The newsletter also analyzes FTC perspectives on vertical mergers in defense sectors and provides comprehensive updates on the SEC's 2026 regulatory agenda under Chairman Atkin

The Treasury Department and IRS have proposed new regulations that would establish an explicit racial nondiscrimination requirement for private schools seeking federal tax exemption under Section 501(c)(3). These proposed rules go beyond existing law by prohibiting all forms of racial discrimination in education regardless of intent, legality, or purpose, potentially affecting admissions policies, scholarship programs, and other school-administered initiatives.