Securities and Exchange Commission

American  

noun

1. SEC.

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Securities and Exchange Commission British  

noun

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

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Securities and Exchange Commission Cultural  

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

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Example Sentences

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

Securities and Exchange Commission as of December 2025.

From Los Angeles Times • Apr. 2, 2026

The satellite builder and rocket operator has confidentially filed IPO paperwork with the Securities and Exchange Commission, according to people familiar with the matter.

From The Wall Street Journal • Apr. 1, 2026

Reports of an ongoing probe by the Securities and Exchange Commission and multiple short seller reports, most recently at the end of March, also have shaken investor confidence.

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