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SEC Guide

How the SEC Works: Rules, Responsibilities & History

The U.S. Securities and Exchange Commission (SEC) is the federal agency responsible for regulating U.S. securities markets. Its primary mission is to protect investors, maintain fair and efficient markets, and ensure that public companies provide accurate financial information.

SEC reporting requirements in action

If you've ever read a company's 10-K, 10-Q, or 8-K, you've seen the result of SEC reporting requirements in action.

Why Was the SEC Created?

The SEC was established in 1934 after the stock market crash of 1929 and the Great Depression.

Before the SEC existed, companies weren't required to provide consistent financial disclosures, making it difficult for investors to make informed decisions. The Securities Exchange Act of 1934 created the SEC to improve transparency and restore confidence in U.S. financial markets.

What Does the SEC Do?

The SEC is responsible for:

  • Requiring public companies to file regular financial reports.
  • Enforcing federal securities laws.
  • Investigating fraud, insider trading, and market manipulation.
  • Regulating stock exchanges, brokers, and investment advisers.
  • Reviewing registration statements for companies going public.

One of its most important responsibilities is operating EDGAR, the public database where investors can access company filings for free.

Key SEC Rules

Public companies must follow strict reporting requirements. Some of the most common filings include:

  • Form 10-K - Annual report
  • Form 10-Q - Quarterly report
  • Form 8-K - Significant company events
  • Form S-1 - Initial public offering (IPO) registration
  • Form 4 - Insider trading disclosures
  • Form 13F - Institutional investment holdings

These filings help ensure investors have access to timely and reliable information. To learn more about common filing types, read our guide to SEC filings and what they mean.

Why the SEC Matters

The SEC doesn't tell people what to invest in or guarantee that an investment is safe. Instead, it requires companies to disclose important information so investors can make informed decisions.

By promoting transparency and enforcing securities laws, the SEC helps create a more trustworthy and efficient financial market.

Save SEC Filings as Clean PDFs

Reading SEC filings online can be inconvenient, especially when you want to save, print, or annotate them later. With SEC Filing PDF Generator, you can convert SEC filings into clean, downloadable PDFs in just a few clicks.

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