SEC Overhauls 30-Year Quorum Rule Amid Trump Stock Trading Scrutiny and Agency Staffing Cuts

The Securities and Exchange Commission (SEC) has enacted an emergency amendment to its 31-year-old internal quorum rule, authorizing a single commissioner to constitute a quorum and unilaterally issue regulatory, rulemaking, and enforcement actions.
The structural shift marks a sharp departure from the previous framework that mandated a bipartisan panel of three commissioners to advance formal agency decisions. The rule change follows a commission vacancy drop and coincides with broader personnel reductions, with the agency's overall headcount falling nearly 20% since the start of Donald Trump’s second term.
The move arrives under intensifying scrutiny regarding federal ethics and oversight following disclosures that financial accounts managed for President Trump logged over 28,700 securities trades since his second inauguration—surpassing the combined trading activity of all members of Congress. Critics and governance groups argue that centralizing unilateral authority within a single commissioner, paired with steep enforcement staff reductions, materially weakens institutional checks and regulatory transparency across U.S. capital markets.