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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

On Wednesday, Bloomberg reported that SpaceX had filed a draft registration for an initial public offering with the Securities and Exchange Commission.

From MarketWatch • Apr. 3, 2026

Attorney for the Southern District of New York and former chairman of the Securities and Exchange Commission.

From The Wall Street Journal • Apr. 2, 2026

Securities and Exchange Commission as of December 2025.

From Los Angeles Times • Apr. 2, 2026

By all accounts, Elon Musk’s rocket company is set to file, or has filed, confidential IPO documents with the Securities and Exchange Commission any day now.

From Barron's • Mar. 31, 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

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