Securities and Exchange Commission

American

noun

SEC.

Securities and Exchange Commission British

noun

SEC. a US federal agency established in 1934 to supervise and regulate issues of and transactions in securities and to prosecute illegal stock manipulations

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Securities and Exchange Commission Cultural

A federal agency that supervises the exchange of securities so as to protect investors against malpractice, such as insider trading.

Example Sentences

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Securities and Exchange Commission

Securities and Exchange Commission requires a company to publicly file its prospectus at least 15 days before it launches a roadshow.

From MarketWatch ● Oct. 23, 2026

Securities and Exchange Commission filed charges against Nikola.

From Los Angeles Times ● Oct. 18, 2026

These real-money portfolios — tracked via public filings with the Securities and Exchange Commission, disclosures and linked accounts — can be copied for a $9.99 monthly subscription fee.

From MarketWatch ● Oct. 13, 2026

Products tied to the stock market are typically overseen by the Securities and Exchange Commission and selling them often requires a securities license.

From The Wall Street Journal ● Oct. 11, 2026

The Securities and Exchange Commission later said that those figures were “false and misleading,” in part because the sale price for the headquarters had been overvalued by as much as $40 million.

From "Friday Night Lights: A Town, A Team, And A Dream" by H.G. Bissinger

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023