SEC (Securities and Exchange Commission)
Also called SEC.
The U.S. agency that regulates securities markets and the companies that sell stock to the public.
The SEC describes its mission in three parts: protecting investors, keeping markets fair, orderly and efficient, and helping companies raise capital. Source 1
Public companies file their reports with the SEC through EDGAR, where anyone can read them for free. Source 2
The SEC doesn't vouch for what a company's report says. The company's chief executive and chief financial officers certify the accuracy of its annual and quarterly reports. Source 3