The two most critical regular financial reports publicly-traded U.S. companies must file with the Securities and Exchange Commission (SEC) are Form 10-K (annual report) and Form 10-Q (quarterly report).
These reports are essential for corporate transparency, giving investors and the public a detailed view of a company’s financial performance, business operations, and risk factors.
10-K Annual Report
The Form 10-K is a comprehensive, annual report that provides an in-depth summary of a company’s financial performance and condition over the entire fiscal year.
| Feature | Description |
| Frequency | Annually (filed once a year). |
| Filing Deadline | Within 60 to 90 days after the fiscal year-end, depending on the company’s size (filer status). |
| Auditing | Includes audited financial statements, reviewed by an independent external accounting firm. |
| Scope | Extremely detailed, covering the entire year’s operations, strategy, and long-term risks. |
| Key Content | Audited Financial Statements (Balance Sheet, Income Statement, Cash Flow Statement), Management’s Discussion and Analysis (MD&A), Business Overview, Risk Factors, and Corporate Governance details (e.g., executive compensation). |
10-Q Quarterly Report
The Form 10-Q is a shorter, quarterly report that provides a continuing update on a company’s financial results for the first three fiscal quarters of the year. The fourth quarter is covered by the annual 10-K.
| Feature | Description |
| Frequency | Quarterly (filed three times a year). |
| Filing Deadline | Within 40 or 45 days after the end of each of the first three fiscal quarters, depending on the company’s size. |
| Auditing | Includes unaudited financial statements. |
| Scope | Less detailed and more condensed than the 10-K, focusing on short-term results and material changes during the quarter. |
| Key Content | Condensed unaudited financial statements, Management’s Discussion and Analysis (MD&A) focused on short-term changes, and updates on any new risk factors or legal proceedings. |
Other Important SEC Filings
While 10-K and 10-Q are the primary periodic financial reports, publicly-traded companies must also file other forms to disclose material information:
Form 8-K (Current Report): Used to announce major, material events that shareholders should know about immediately. These are generally filed within four business days of the event. Events include significant acquisitions or dispositions, bankruptcy, changes in certifying accountants, and changes in control of the company.
Proxy Statement (Form DEF 14A): Distributed to shareholders before an annual meeting to solicit votes. It includes important information about nominees for the board of directors, management’s compensation, and matters up for shareholder vote.
Annual Report to Shareholders: This is not the official SEC Form 10-K but a polished, less technical document sent directly to shareholders, often including glossy photos and a letter from the CEO. Much of its content overlaps with the 10-K, but the 10-K is the official, regulatory document.