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ARTICLE · 27 OCTOBER 2026

SEC Approves FINRA’s New “Outside Activities” Rule

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The Securities and Exchange Commission has approved FINRA Rule 3290, which will replace existing rules governing outside business activities and private securities transactions for registered persons. This new rule narrows the scope to focus on investment-related activities while maintaining similar supervisory obligations for member firms. Understanding the key changes and implementation requirements will be critical for broker-dealers as they update their compliance policies and procedures.

United StatesFinance and Banking

What You Need to Know:

  • On September 15, 2026, the Securities and Exchange Commission approved new FINRA Rule 3290, which will replace existing FINRA rules on outside business activities and private securities transactions.
  • Among other changes, FINRA Rule 3290 will narrow the scope of FINRA’s “outside activities” rules to focus on “investment-related activities,” which are more likely to pose a risk to member firms and the public.
  • The rule will take effect after FINRA issues a regulatory notice and announces the effective date. 

On September 15, 2026, the Securities and Exchange Commission (SEC) approved new Financial Industry Regulatory Authority (FINRA) Rule 3290, which will replace existing FINRA rules on outside business activities (OBAs) and private securities transactions (PSTs).1 Among other changes, FINRA Rule 3290 will narrow the scope of FINRA’s “outside activities” rules to focus on “investment-related activities,” which are more likely to pose a risk to member

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