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U.S. Securities and Exchange Commission

The U.S. Securities and Exchange Commission is the federal securities regulator of the United StatesUnited StatesThe United States is a federal country in North America made up of 50 states, the District of Columbia as the seat of government, and territories such as Puerto Rico and Guam; its capital is Washington, D.C. The Continental Congress adopted the Declaration of Independence on July 4, 1776. The 2020 census (April 1, 2020) counted a resident population of 331,449,281, and the 435 seats of the House of Representatives are apportioned among the states on the basis of the census.Open the full entry. Created during the Great Depression by the Securities Exchange Act of 1934 and led by five commissioners, it has a three-part mission of protecting investors, maintaining fair, orderly and efficient markets, and facilitating capital formation.

Contents18 sections
Key facts

The Securities Act of 1933

After the stock market crash of October 1929, Congress held hearings on the securities markets and, in the peak year of the Depression, passed the Securities Act of 1933. Enacted on May 27, 1933, it was the first general federal law regulating the issuance of securities, requiring companies that sell securities to the public to “tell the truth about their business.”⁠[1][2]

The Securities Exchange Act Creates the Commission

The Securities Exchange Act of 1934, enacted on June 6, 1934, created the U.S. Securities and Exchange Commission. Under the purposes of the two laws, those who sell and trade securities “must treat investors fairly and honestly.”⁠[2][1]

First Commission Takes Office with Joseph P. Kennedy as Chairman

The Public Utility Holding Company Act

The Public Utility Holding Company Act was enacted on August 26, 1935.⁠[2]

William O. Douglas Becomes Chairman

The Maloney Act, the Trust Indenture Act and the NASD

The Maloney Act, enacted on June 25, 1938, provided for a national association of brokers and dealers; the Trust Indenture Act was enacted on August 3, 1939, and on August 7, 1939, the National Association of Securities Dealers registered as a self-regulatory organization. Earlier, on April 22, 1938, the Commission had adopted Regulation A.⁠[2][4]

The Investment Company Act and the Investment Advisers Act

The Investment Company Act was enacted on August 22, 1940, in the same entry as the Investment Advisers Act. In January 1940 the Commission had required broker-dealers to keep systematic transaction records available to its regional offices.⁠[4]

Relocation to Philadelphia and Rule 10b-5

In 1942 the Commission moved to Philadelphia as a non-essential agency, returning to Washington, D.C., in 1948. On May 21, 1942, it adopted Rule 10b-5.⁠[4]

Attacks and Market Closures

U.S. markets closed after the attacks of September 11, 2001; the Commission’s New York Regional Office was then located at 7 World Trade Center. Debt markets reopened on September 13 and equity and options markets on September 17.⁠[5]

The Sarbanes-Oxley Act

In November 2001 Enron announced that it would restate its earnings for 1997–2000. The Sarbanes-Oxley Act was enacted on July 30, 2002; the creation of the Public Company Accounting Oversight Board (PCAOB) under the act was upheld by the Supreme Court in 2010.⁠[5]

The Financial Crisis and the Madoff Case

In March 2008 the Federal Reserve SystemFederal Reserve SystemThe Federal Reserve System is the central bank of the United States. Created by the Federal Reserve Act of 1913, it consists of the Board of Governors in Washington, D.C., twelve regional Federal Reserve Banks and the Federal Open Market Committee (FOMC).Open the full entry intervened in the collapse of Bear, Stearns & Co., and in September 2008 a worldwide financial crisis began. In December 2008 Bernard Madoff confessed to running a Ponzi scheme. On August 11, 2009, the Commission delegated formal order authority, and with it subpoena power, to its Regional Directors.⁠[5]

The Flash Crash and the Dodd-Frank Act

The “Flash Crash” struck U.S. stock markets on May 6, 2010. In July 2010 the Dodd-Frank Act was enacted, establishing the Consumer Financial Protection Bureau and the Financial Stability Oversight Council.⁠[6]

Paul Atkins Sworn In as 34th Chairman

Donald Trump nominated Paul Atkins on January 20, 2025, the Senate confirmed him on April 9, and he was sworn in as the 34th Chairman on April 21, 2025. Atkins had served as a commissioner from August 2002 to August 2008, appointed by George W. BushGeorge W. BushGeorge W. Bush (born 1946) is an American politician and Republican who worked in the energy business and was a part owner of the Texas Rangers baseball team before becoming the 46th governor of Texas in 1995 and serving as the 43rd president of the United States from 2001 to 2009.Open the full entry; he holds an A.B. from Wofford College (1980) and a J.D. from Vanderbilt University School of Law (1983).⁠[7][8]

As of November 2026: Composition of the Commission

As of November 2026, the Commission’s website (updated September 14, 2026) lists three members: Chairman Paul S. Atkins (chairman since 2025, term expiring 2031), Commissioner Hester M. PeirceHester PeirceHester Peirce is a lawyer and financial regulator who served as a Commissioner of the U.S. Securities and Exchange Commission (SEC) from January 2018 to October 2026 and was appointed in January 2025 to lead the agency’s Crypto Task Force. She long advocated clear rules for crypto assets, opposed regulation by enforcement, and proposed a token “safe harbor.”Open the full entry (commissioner since 2018, term expired 2025) and Commissioner Mark T. Uyeda (commissioner since 2022, term expiring 2028).⁠[9]

The Commission states that it oversees more than $100 trillion in annual securities trading on U.S. equity markets and monitors more than 28,000 entities in the securities industry.⁠[10]

Organization

The five commissioners are appointed by the President with the advice and consent of the Senate to staggered five-year terms, one term ending on June 5 of each year; a commissioner whose term has expired may serve up to about 18 months longer if not replaced. To keep the Commission nonpartisan, no more than three commissioners may belong to the same political party. The President designates one commissioner as Chairman, the agency’s top executive.⁠[9]

Chairmen

The chairmen have been, in order, Joseph P. Kennedy, James M. Landis, William O. Douglas, Jerome N. Frank, Edward C. Eicher, Ganson Purcell, James J. Caffrey (from 1946), Edmond M. Hanrahan, Harry A. McDonald, Donald C. Cook, Ralph H. Demmler, J. Sinclair Armstrong, Edward N. Gadsby, William L. Cary, Manuel F. Cohen, Hamer H. Budge, William J. Casey, G. Bradford Cook, Ray Garrett, Jr., Roderick M. Hills, Harold M. Williams, John Shad, David S. Ruder, Richard C. Breeden, Arthur Levitt (1993–2001), Harvey L. Pitt, William H. Donaldson, Christopher Cox (2005–2009), Mary L. Schapiro (2009–2012), Elisse B. Walter, Mary Jo White (2013–2017), Jay ClaytonJay ClaytonJay Clayton (Walter Joseph Clayton III) is an American lawyer and government official who has served as U.S. Director of National Intelligence since August 2026 and, from October of that year, also as the White House’s head of artificial intelligence affairs (“AI czar”). He practiced at Sullivan & Cromwell for more than two decades, chaired the U.S. Securities and Exchange Commission from 2017 to 2020 and was U.S. Attorney for the Southern District of New York from 2025 to 2026.Open the full entry (2017–2020), Gary Gensler (April 19, 2021–January 20, 2025) and Paul Atkins.⁠[3][4]

Related Organizations, Websites, and Public Accounts

U.S. Securities and Exchange Commission: Official website: https://www.sec.gov/ (opens in a new window).⁠[10]

Sources

  1. The Role of the SEC (opens in a new window)
  2. 1930's New Foundations (opens in a new window)
  3. SEC Historical Summary of Chairmen and Commissioners (opens in a new window)
  4. 1940’s Markets at War & the Post-War Reset (opens in a new window)
  5. 2000's From Dot-Com Bust to Global Crunch (opens in a new window)
  6. 2010's Speed, Data & New Guardrails (opens in a new window)
  7. Paul S. Atkins Sworn In as SEC Chairman (opens in a new window)
  8. Paul S. Atkins (opens in a new window)
  9. SEC Commissioners (opens in a new window)
  10. Mission (opens in a new window)