What Is a 10-K Report? What It Includes and How to Find One

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A 10-K is the comprehensive annual report that a U.S. public company files with the Securities and Exchange Commission (SEC). It covers the company’s most recent fiscal year and combines audited financial statements with a description of the business, its risk factors, management’s discussion of results, legal proceedings, and information about executives and governance. The requirement comes from the Securities Exchange Act of 1934. Every 10-K is filed publicly, so anyone can read it for free.

The name is simply the SEC’s form number. The “K” does not stand for anything. It is a label in the SEC’s form system, like Form 10-Q for the quarterly report and Form 8-K for the current report.

What Is a 10-K Report?

The 10-K follows a fixed format. The SEC prescribes which topics a company must address and in what order, so two companies, or one company across several years, can be compared without hunting for information.

Who must file is set by the Securities Exchange Act. A company files 10-Ks if it has securities registered under the Exchange Act or a reporting obligation from a registered securities offering. Every company listed on a U.S. exchange such as the NYSE or Nasdaq falls in the first group. Size does not exempt a company, though smaller reporting companies may use scaled-down disclosures in several items.

Foreign companies are usually treated differently. A foreign private issuer whose shares trade in the United States generally files an annual report on Form 20-F instead, and many Canadian companies use Form 40-F under a cross-border arrangement with Canadian regulators. A foreign company can choose to file a 10-K, but the 10-K is mainly the domestic issuer’s form.

Two related labels come up often. A 10-K/A amends a 10-K already filed. A 10-KT is a transition report covering the gap period when a company changes its fiscal year-end. Older filings sometimes show a 10-KSB, a simplified small-business version the SEC phased out around 2008 and 2009.

How a 10-K Report Works

The structure of a 10-K

The form is divided into four parts and numbered items. Item titles have changed over time, so an older 10-K will not match the current layout exactly. A current 10-K is organized roughly like this:

Part I

• Item 1, Business: what the company does, its products and services, segments, markets, competition, regulation and workforce.
• Item 1A, Risk Factors: the material risks that could hurt the business or the stock.
• Item 1B, Unresolved Staff Comments: open SEC staff comments on prior filings, where applicable.
• Item 1C, Cybersecurity: how the company manages and oversees cybersecurity risk, added by SEC rules adopted in 2023.
• Item 2, Properties: major facilities, plants and real estate.
• Item 3, Legal Proceedings: material lawsuits and regulatory actions.
• Item 4, Mine Safety Disclosures: relevant mainly to mining companies.

Part II

• Item 5, Market for the Registrant’s Common Equity: where the stock trades, holders of record, dividends and share repurchases.
• Item 6: formerly “Selected Financial Data,” a five-year summary table. The SEC eliminated the requirement in 2021, and the item now typically reads “[Reserved].”
• Item 7, Management’s Discussion and Analysis (MD&A): management’s explanation of the year’s results, liquidity, capital resources and critical accounting estimates.
• Item 7A, Quantitative and Qualitative Disclosures About Market Risk: exposure to interest rates, currencies, commodity prices and similar factors.
• Item 8, Financial Statements and Supplementary Data: the audited statements, the notes and the auditor’s report.
• Item 9 to 9C: changes in and disagreements with accountants, controls and procedures, other information, and disclosure related to foreign jurisdictions that prevent inspections.

Part III

• Items 10 to 14: directors, executive officers and corporate governance; executive compensation; security ownership by insiders and large holders; related-party transactions and director independence; and fees paid to the principal accountant.

Part IV

• Item 15, Exhibits and Financial Statement Schedules, and Item 16, Form 10-K Summary (optional).

Part III information is often not written out in the 10-K. Companies may incorporate it by reference from their definitive proxy statement (Form DEF 14A), provided the proxy is filed within 120 days after fiscal year-end.

The financial statements

Item 8 holds the core numbers: the income statement, the balance sheet, the cash flow statement and the statement of stockholders’ equity, followed by the notes. Many companies title the income statement “Consolidated Statements of Operations” or “Consolidated Statements of Income” rather than using the words “income statement.” The statements are presented as tables, and in the electronic filing they are tagged in XBRL, a structured data format that lets software extract the figures.

The notes deserve as much attention as the statements. They explain accounting policies, how revenue is recognized, debt terms and maturities, leases, tax positions, segment results, contingencies and subsequent events. Many figures that drive a valuation, such as when debt comes due, appear only in the notes.

Item 8 also includes the independent auditor’s report. The auditor states whether the statements present the company’s financial position fairly in accordance with generally accepted accounting principles (GAAP). For larger companies the auditor also reports on the company’s internal control over financial reporting.

Exhibits

The exhibit index in Part IV lists documents filed with, or incorporated into, the 10-K. In SEC filing terms, “EX” refers to an exhibit: EX-21 is a list of subsidiaries, EX-23 is the auditor’s consent, and EX-31 and EX-32 are the executive certifications. Material contracts, credit agreements, bylaws and a description of the company’s securities are often filed as exhibits too. Many material agreements appear here and nowhere else in the filing.

Certifications and internal controls

After a series of accounting scandals in the early 2000s, Congress passed the Sarbanes-Oxley Act of 2002. Under Section 302, the CEO and CFO must certify that they have reviewed the report, that it contains no untrue statement of a material fact, and that the financial information fairly presents the company’s condition. Section 906 adds a separate certification backed by criminal penalties for knowingly false statements. Section 404 requires management to assess internal control over financial reporting, and accelerated and large accelerated filers must also have the auditor attest to that assessment.

Filing deadlines

Deadlines depend on the company’s filer category, which is determined largely by public float: the market value of common equity held by non-affiliates, measured as of the last business day of the company’s second fiscal quarter.

• Large accelerated filer (public float of $700 million or more): due 60 days after fiscal year-end.
• Accelerated filer (public float of $75 million to less than $700 million): due 75 days after fiscal year-end.
• Non-accelerated filer (all others): due 90 days after fiscal year-end.

Float is not the only test. A company must also have been reporting for at least 12 months and have filed at least one annual report to be classified as accelerated, and SEC amendments in 2020 exclude certain smaller reporting companies with annual revenue under $100 million from the accelerated categories. When a deadline falls on a weekend or federal holiday, it moves to the next business day.

A company that cannot file on time can submit Form 12b-25 (it appears on EDGAR as NT 10-K), which gives an additional 15 calendar days. The notice must explain why the report is late, and the reasons it gives are often informative in themselves.

Consequences of not filing

A company that misses its 10-K deadline faces several types of consequences:

• Exchange action: NYSE and Nasdaq rules require timely periodic reports. A delinquent company usually gets a deficiency notice and a compliance period, and continued failure can lead to delisting.
• SEC action: the SEC can suspend trading for up to 10 trading days and bring proceedings to revoke a delinquent company’s registration. It can also pursue enforcement actions, fines and sanctions against the company and responsible officers.
• Loss of capital-raising flexibility: a company that has not filed on time for the prior 12 months loses eligibility for the short-form registration statement (Form S-3), making raising money slower and more expensive.
• Market reaction: a late 10-K can signal an accounting problem, an auditor dispute or weak internal controls, and investors tend to treat it as a warning sign until the company explains it.

Interpreting a 10-K Report

Reading a 10-K front to back is rarely the best approach. A more efficient sequence:

1. Business (Item 1). Learn how the company makes money, how it is segmented and who it competes with. Dependence on a single large customer is often disclosed here, and the notes disclose customers that account for 10% or more of revenue under segment reporting standards.
2. Risk Factors (Item 1A). Skim for risks specific to this company rather than generic ones every company lists. Comparing this year’s risk factors with last year’s shows what management has added or changed.
3. MD&A (Item 7). Read management’s explanation of why revenue, margins and cash flow moved. The liquidity and capital resources discussion covers debt, cash needs, buybacks, dividends and planned investment, which makes the 10-K a primary source for both credit quality and capital allocation.
4. Financial statements and notes (Item 8). Check the numbers behind management’s story. Compare net income with cash from operations, look at debt maturities, and read the critical accounting policies.
5. Auditor’s report. Note whether the opinion is unqualified and whether it includes critical audit matters or a going-concern paragraph.
6. Legal proceedings, controls and exhibits. Look for material litigation, disclosed weaknesses in internal controls and the terms of major agreements.

Many readers also compare two or three years of 10-Ks for the same company. Changes in wording, new risk factors, revised segment reporting or a different auditor often tell more than any single year’s numbers.

Why Is a 10-K Report Important?

The 10-K is the most complete public document a U.S. company produces each year. It puts audited statements, risks and operations in front of every investor at once and at no cost, and its fixed structure allows consistent comparison. The statements are audited, executives personally certify the report, and material misstatements can lead to enforcement action and shareholder lawsuits. That gives it more assurance than a press release, earnings call or investor presentation. Its disclosures on executive pay, related-party transactions, insider ownership and internal controls let shareholders judge how management runs the company.

Analysts building models start with the 10-K because it holds full-year figures with complete notes. Credit analysts use it for debt terms and covenants, and lenders, suppliers, acquirers and journalists rely on it too.

Example of a 10-K Report

The following is a hypothetical example; the company and figures are invented.

Assume Company A has a fiscal year ending December 31. On June 30, the last business day of its second fiscal quarter, its public float is $1.2 billion. It has been reporting for several years, so it is a large accelerated filer, and its 10-K is due 60 days after December 31. In a non-leap year, that is March 1, moved to the next business day if March 1 falls on a weekend.

When Company A’s 10-K is filed, an investor might use it like this:

• Item 1 shows two segments, with one distributor representing 18% of total revenue. That concentration is a risk if the distributor relationship ends.
• Item 7 explains that revenue rose 9%, mostly from price increases rather than higher volume, and that management plans higher capital spending next year.
• Item 8 shows net income of $150 million and cash from operations of $210 million. Capital expenditures in the investing section total $90 million.

From those last two figures, the investor can estimate free cash flow:

Free cash flow = cash from operations − capital expenditures = $210 million − $90 million = $120 million

This assumes capital expenditures means purchases of property and equipment as reported in the cash flow statement, and it ignores other investing items such as acquisitions. The investor might then check the debt note and find $400 million of bonds maturing in two years, then return to the MD&A liquidity discussion to see how management plans to refinance or repay them.

Limitations of a 10-K Report

A 10-K is detailed, but it has clear limits:

• It is backward-looking and late. It describes a finished year and arrives up to 90 days later, when conditions may have changed.
• Forward-looking statements are not commitments. MD&A outlooks and projections carry safe-harbor language and depend on assumptions that may not hold.
• Management frames the narrative. Required disclosures limit omissions, but tone, emphasis and the choice of supplementary metrics remain the company’s decision.
• Accounting involves judgment. Reserves, impairments, revenue timing, useful lives and fair values rely on estimates, so two companies with similar economics can report different figures.
• Materiality thresholds. Smaller issues, legal matters with uncertain outcomes or sensitive competitive information may receive limited detail.
• Length. Large-company 10-Ks run to hundreds of pages, and important details can sit in a note or exhibit casual readers never reach.
• An audit is not a guarantee. An unqualified opinion gives reasonable assurance that the statements are free of material misstatement, not that the business is healthy or the stock a good investment.

Company-defined metrics such as adjusted earnings or adjusted EBITDA, when discussed in a filing, must be reconciled to the nearest GAAP measure. Compare the two rather than relying on the adjusted figure alone.

10-K vs. Other Filings and Documents

10-K vs. 10-Q

The 10-Q is the quarterly report, filed for the first three fiscal quarters. The 10-K covers the fourth quarter as part of the full year, so there is no separate Q4 10-Q. The 10-Q’s financial statements are reviewed by the auditor but not audited, and it contains less disclosure. Its deadlines are shorter: 40 days after quarter-end for large accelerated and accelerated filers, 45 days for others. It provides more recent updates between annual reports.

10-K vs. 8-K

Form 8-K is a current report filed when specific events happen, usually within four business days. Triggering events include entering or ending material agreements, completing acquisitions or dispositions, bankruptcy, changes in auditors, executive or director departures and appointments, changes in control and delisting notices. Many companies also furnish their quarterly earnings releases on 8-K. The 8-K covers individual events; the 10-K covers the entire year.

10-K vs. the annual report to shareholders

The annual report to shareholders is a separate document, often a designed publication with photographs, graphics and a letter from the CEO or chair. It must contain audited financial statements, but the company otherwise has wide latitude in presentation and tone. The CEO’s letter is part of this report, not a required 10-K item. Many companies wrap a few glossy pages and the CEO letter around the full 10-K.

10-K vs. proxy statement

The proxy statement (DEF 14A) is sent before the annual shareholder meeting and covers matters up for a vote: director elections, executive compensation, auditor ratification and shareholder proposals. When Part III is incorporated by reference, the proxy is where the detailed compensation tables and board information appear.

10-K vs. 20-F and 40-F

These are the annual reports for foreign issuers described above. The 20-F’s financial statements may be prepared under IFRS rather than U.S. GAAP, and the 40-F largely relies on the Canadian issuer’s home disclosure documents.

How to Find a Company’s 10-K

Every 10-K is public. The most direct source is the SEC’s EDGAR (Electronic Data Gathering, Analysis, and Retrieval) system:

1. Go to EDGAR’s company search and enter the company name or ticker symbol.
2. Filter the filing list by form type “10-K.”
3. Open the filing. The main document is usually the first file in the filing index, and exhibits and XBRL data files are listed separately.

EDGAR also offers full-text search, which helps you find a term such as a customer name or a specific risk across filings.

The second source is the company’s investor relations website, which usually links to its SEC filings and often to a formatted annual report. Only companies that report to the SEC file 10-Ks, so a privately held company will not have one unless it has registered securities, such as publicly offered bonds.

FAQs

The Bottom Line

Investors, analysts, lenders and anyone studying a U.S. public company can rely on the 10-K as its most complete and best-verified annual disclosure, available free on EDGAR. Reading the business section, risk factors, MD&A and the notes in a deliberate order, and comparing several years, reveals more than the headline numbers. Readers should still treat it as backward-looking, shaped by management's judgment and no guarantee of a healthy business.