How to read a 10-K: a guided walkthrough of Apple’s annual report

A 10-K is the annual report a US public company files with the Securities and Exchange Commission. It is the most complete, most reliable document a company publishes about itself: a description of the business, an honest-by-law list of what could go wrong, management's explanation of the year, and financial statements checked by an independent auditor. If you only ever read one document about a company, it should be this one.

It is also long. Apple's fiscal 2025 10-K, filed on October 31, 2025 for the year ended September 27, 2025, runs to 58 numbered pages, signatures included, and many companies' reports are two or three times that. This guide shows you how to read one without drowning. It walks through every item in the order the SEC requires, with the page numbers from Apple's report, tells you which parts to read first and why, and ends with a checklist and the red flags worth looking for.

What a 10-K is, and when it arrives

The 10-K is required by the Securities Exchange Act of 1934 for companies with registered securities. Its content follows Regulation S-K and its financial statements follow Regulation S-X, which is why every 10-K has the same skeleton. A large accelerated filer (public float of $700 million or more under Exchange Act Rule 12b-2) must file within 60 days of its fiscal year-end; smaller companies get 75 or 90 days. Apple used 34. The SEC filings explained: 10-K, 10-Q, 8-K, proxy, 13F and more page covers the deadlines in full.

A 10-K is not the glossy "annual report to shareholders" some companies mail out, though many companies now simply wrap their 10-K in a cover and use it as that report. Nor is it the earnings release. Apple announced its fiscal 2025 results in an earnings release on October 30, 2025, attached to a Form 8-K, and filed the 10-K the next day. The release is a summary written for speed. The 10-K is the complete, audited record, and its numbers take precedence if the two ever differ.

The anatomy of a 10-K

The SEC's Form 10-K lists the items in four parts. Here is the full list, with where each one sits in Apple's report:

Item 6 says "[Reserved]": the SEC no longer requires anything there, but the slot is kept so later items keep their numbers. Part III is usually a set of one-line pointers: the form's instructions let a company incorporate it from its proxy statement if that proxy is filed within 120 days of year-end. Apple's 10-K says exactly that, and Apple filed the proxy on January 8, 2026, 103 days after year-end.

What to read first, and why

You don't have to read a 10-K front to back. A practical order:

1. Item 1, Business (about 4 pages for Apple). You can't interpret any number until you know what the company sells and how it is organized.
2. Item 7, MD&A (about 6 pages). Management explains what changed and why. It is the bridge between the business and the statements.
3. Item 8, the statements and notes (about 20 pages). The audited numbers, and the notes that explain how they were measured.
4. Item 1A, Risk Factors (about 12 pages). Read it after you know the business, so you can tell boilerplate from the risks that are specific to this company.
5. The auditor's report (inside Item 8) and Item 9A, Controls. Short, formulaic, and the first place serious problems show up.

Items 2 to 5, 7A and 9B are quick scans once you have the rest.

Part I: the business and its risks

Item 1: Business

Apple's Business section opens with a single sentence of description and then lists the product lines (iPhone, Mac, iPad, Wearables, Home and Accessories) and the Services businesses: advertising, AppleCare, cloud services, digital content such as the App Store and Apple Music, and payment services. It then covers the five geographic segments, distribution, competition, component supply, research and development, intellectual property, seasonality and human capital.

Two lines in this section matter for everything that follows. First, the fiscal year: Apple's year is the 52- or 53-week period ending on the last Saturday of September, so "fiscal 2025" ran from September 29, 2024 to September 27, 2025, and fiscal 2023 had 53 weeks. Comparisons with fiscal 2023 include an extra week of sales. Second, seasonality: Apple says it has historically had higher sales in its first fiscal quarter, the October–December holiday period, which is why quarterly numbers should be compared year over year rather than quarter to quarter. The section also reports about 166,000 full-time equivalent employees at year-end.

Item 1A: Risk Factors

Risk factors are management's list of the things that could materially hurt the business. Lawyers write them to be broad, which makes much of the text generic. Apple's run from page 5 to page 17 under five headings: Macroeconomic and Industry Risks, Business Risks, Legal and Regulatory Compliance Risks, Financial Risks, and General Risks.

The trick is to read for what is specific and what is new. Generic: a warning that a recession or weak economy could hurt sales, which applies to almost any company. Specific: that some components come from a single source, that a significant majority of manufacturing is done by partners in China mainland, India, Japan, South Korea, Taiwan and Vietnam, and that new competition laws such as the EU's Digital Markets Act impose obligations on the App Store. Compare this year's risk factors with last year's: a new paragraph is management telling you something has changed.

Items 1B to 4

Item 1B reports unresolved comments from SEC staff; Apple had none. Item 1C, Cybersecurity, one of the newest items, describes how cyber risk is governed. Item 2 describes properties. Item 3, Legal Proceedings, names the cases management considers significant. Apple's lists the European Commission's Digital Markets Act investigations, the US Department of Justice antitrust lawsuit filed March 21, 2024, and the Epic Games litigation over App Store rules. Each one bears on the high-margin Services business, which is why an analyst reads them closely.

Part II: the numbers

Item 5: the market for the stock, and buybacks

Item 5 states where the stock trades (Nasdaq, symbol AAPL), the number of holders of record (22,429 as of October 17, 2025, a count of registered holders, not of the millions who own shares through brokers), and a month-by-month table of share repurchases in the fourth quarter. Apple bought back 89.5 million shares in that quarter, at average prices rising from $210.43 to $238.56 a share, finished its May 2024 $110 billion program and began using a new $100 billion program announced May 1, 2025. A five-year total-return graph compares the stock with the S&P 500: $100 invested in Apple in September 2020 was worth $234 by September 2025, against $217 for the S&P 500.

Item 7: Management's Discussion and Analysis

MD&A is where management explains the year in its own words, and it is the most useful section for most readers. Apple's starts on page 21 and is organized the way most are: recent developments (product announcements, macroeconomic conditions, tariffs), then results by segment, by product category, gross margin, operating expenses and taxes, then liquidity and capital resources, and finally critical accounting estimates.

The rule for reading MD&A is to look for why, not just what. The statements already tell you what happened. MD&A should tell you the cause. Apple's attributes the Greater China decline mainly to lower iPhone sales, says Services rose on advertising, the App Store and cloud services, and that products gross margin percentage declined on product mix and tariff costs.

Two MD&A subsections deserve special attention.

Liquidity and capital resources says whether the company can pay its bills. Apple reports $132.4 billion of cash, cash equivalents and marketable securities, and judges that, with operating cash flow and access to debt markets, this covers its cash needs and capital return program for at least the next year. It then lists the contractual obligations behind that judgment.

Critical accounting estimates names the judgments that most affect the numbers. Apple lists two: uncertain tax positions and legal and other contingencies. When a company lists revenue recognition, goodwill impairment or inventory reserves here, those are the numbers that management could most plausibly have booked differently.

Item 7A: Market risk

Item 7A quantifies exposure to interest rates, currencies and commodity prices. Apple's, on page 27, discusses interest-rate risk on its investment portfolio and term debt and foreign-currency risk on sales outside the US. It is short, technical, and mostly useful for comparing one year with the next.

Item 8: the financial statements and notes

Item 8 holds the audited statements. Apple's are compact:

Then come thirteen notes, from page 34 to page 48: accounting policies, revenue, earnings per share, financial instruments, property and equipment, statement details, income taxes, leases, debt, shareholders' equity, share-based compensation, commitments and supply concentrations, and segment information. Read the notes for any number that surprises you. Deferred revenue, debt maturities, the tax reconciliation and the segment operating income all live here, not on the face of the statements. The three statement guides, Income statement: how to read one line by line, with Apple, Balance sheet: assets, liabilities and equity explained with Apple and Cash flow statement: operating, investing and financing explained, show how to read each one line by line.

One quick test belongs here: does profit turn into cash?

The auditor's report

The independent auditor's report sits inside Item 8, on page 49 of Apple's 10-K. It is short and formulaic on purpose: any departure from the standard wording is a signal.

Apple's auditor is Ernst & Young LLP, of San Jose, California, which has audited Apple since 2009. Its report gives an unqualified opinion: the statements "present fairly, in all material respects" Apple's financial position, results and cash flows in conformity with US GAAP. That phrase is the clean opinion every company wants. The alternatives are a qualified opinion (fair except for a specific problem), an adverse opinion (not fair), or a disclaimer (the auditor could not form an opinion), and any of them is rare and serious for a large public company.

The report also describes critical audit matters: matters communicated to the audit committee that involve material accounts and especially challenging, subjective or complex judgments, as EY's report itself defines them. Apple's one critical audit matter for fiscal 2025 was uncertain tax positions. As of September 27, 2025, Apple had $23.2 billion of gross unrecognized tax benefits, of which $10.6 billion would lower its effective tax rate if recognized. That tells you where the auditor thinks the numbers are least certain.

A second EY report, on page 51, gives an opinion that Apple maintained effective internal control over financial reporting as of year-end, under the COSO 2013 framework. Management's own assessment follows on page 52 under Item 9A.

Items 9, 9A, 9B and 9C

Item 9 discloses changes in or disagreements with the auditor; for Apple, none. Item 9A holds management's conclusion that disclosure controls and internal control over financial reporting were effective. A material weakness would be reported here, and it is one of the most important red flags in any 10-K. Item 9B collects other information: Apple's notes the planned transition of its principal accounting officer on January 1, 2026, and reports no new insider trading arrangements for the quarter. Item 9C applies to companies with auditors in jurisdictions that block US inspections; not applicable to Apple.

Parts III and IV: governance and exhibits

Part III (Items 10–14) covers directors and officers, executive compensation, security ownership, related-party transactions and auditor fees. For Apple, as for most companies, each item is a pointer to the proxy statement, so read the DEF 14A to see what executives are paid and how the pay is tied to performance.

Part IV (Items 15–16) lists the exhibits: the company's charter and bylaws, debt indentures, executive employment agreements, the list of subsidiaries, the auditor's consent, and the CEO and CFO certifications required by the Sarbanes-Oxley Act, in which both officers personally certify the report. The exhibits also include the XBRL files that power machine-readable data.

A 10-K reading checklist

Use this the first time you read any company's 10-K.

• Business. Can you explain in two sentences what the company sells, to whom, and how it is organized into segments?
• Fiscal year. When does it end, and is any year 53 weeks long?
• MD&A. What drove the change in sales, margin and operating income? Are the reasons specific or vague?
• Segments. Which segment or product grew, which shrank, and which earns the most per dollar of sales?
• Cash. Is cash from operations close to net income over several years?
• Debt and liquidity. How much debt is due within 12 months, and what pays it?
• Shareholder returns. How much went to buybacks and dividends, and did the share count actually fall?
• One-time items. Is any year distorted by a charge or gain that won't recur?
• Critical estimates. Which judgments could move the numbers the most?
• Risk factors. What is new or changed since last year?
• Auditor. Clean opinion? What was the critical audit matter? Any change of auditor?
• Controls. Any material weakness in Item 9A?

Red flags

None of these proves something is wrong. Each is a reason to read more carefully.

Apple's fiscal 2025 report shows a useful example of the receivables check. Accounts receivable rose from $33.4 billion to $39.8 billion, up 19.1%, while sales rose 6.4%, so days sales outstanding went from about 31 days to about 35. That is a question worth asking, not a conclusion: one year's gap can come from the timing of sales late in the quarter, and Apple's fourth-quarter sales were up 7.9%. It becomes a flag only if the gap persists or widens.

How Finabase does it

Finabase does the extraction so you can spend your time on the reading.

• The Financials tab shows the 10-K's income statement, balance sheet and cash flow lines, with an Annual view of each fiscal year and a Quarterly view, up to 40 periods. Click a line, such as accounts receivable, to chart its history and spot trends like the one above. The Revenue & Expenses flow diagram can add a segment or region column when the data reconciles. The How to read the Finabase financials tab guide explains every card.
• The Valuation tab charts ten fiscal years of annual ratios computed from 10-K data: margins, returns, liquidity, leverage and multiples.
• What Finabase does not show is the text: MD&A, risk factors, the notes and the auditor's report live only in the filing itself, on EDGAR. Finabase also has no TTM or common-size view of the statements, so compute those yourself from the 10-K and 10-Q.

Frequently asked questions

What is the most important part of a 10-K?

For most readers it is Item 7, Management's Discussion and Analysis, read together with the financial statements in Item 8. MD&A explains why the numbers changed, and the statements and notes show exactly what changed. Item 1A, Risk Factors, is the most important part for understanding what could go wrong.

How long does it take to read a 10-K?

A focused first read of the business section, MD&A, the statements and the auditor's report takes about two to three hours for a company like Apple. Reading every note and comparing with the prior year's report can take a day.

Is a 10-K audited?

The financial statements and notes in Item 8 are audited by an independent registered public accounting firm, and for large companies the auditor also opines on internal control over financial reporting. The text sections, such as MD&A and risk factors, are not audited, but they are covered by the officers' certifications and securities-law liability.

Where do I find a company's 10-K?

On the SEC's EDGAR system: search the company name or ticker and filter by form type 10-K. Companies also post their 10-K on their investor-relations websites. Apple's fiscal 2025 10-K is filed under CIK 320193, dated October 31, 2025.

What is the difference between a 10-K and an annual report?

A 10-K is the formal SEC filing with a required structure. The "annual report to shareholders" is a document a company sends investors before its annual meeting; it can be a designed brochure, but many companies now use the 10-K itself. The 10-K is always the complete version.

Summary

A 10-K is the audited, complete annual record of a US public company, and its fixed four-part structure makes every company's report navigable the same way. Start with the business in Item 1, then let MD&A in Item 7 explain the numbers in the statements and notes in Item 8, and read the risk factors in Item 1A once you know what the business does. Finish with the auditor's report and the controls section, where serious problems surface first. Apple's fiscal 2025 report shows the payoff: a one-time tax charge explained in MD&A, a tax judgment flagged by the auditor, cash that matches profit, and a receivables jump worth a follow-up question. Use the checklist on every report you read, and the red-flag table whenever something looks off.