LEARN THE BASICS
How to read a 10-K without reading it in order
A practical route through the annual filing that connects the business, risks, financial statements, notes, and management discussion.
Confirm the filing before interpreting it
Start with the company name, ticker, fiscal year end, filing date, form type, and whether the document is an amendment. A 10-K is an annual filing; a 10-Q covers a quarter and year-to-date period. The filing date is not the period end. Keep both dates visible so a newer upload is not mistaken for newer operating results.
Build a first-pass route
Read Business to understand what the company sells and how it describes its segments. Read Risk Factors for company-specific uncertainties, then Management’s Discussion and Analysis for management’s explanation of results and liquidity. Next inspect the audited statements and notes. Finish with controls, legal proceedings, and exhibits that matter to the question you are researching.
Tie narrative claims back to numbers
Management discussion can explain why a measure changed, but the financial statements and notes establish the reported amounts and accounting boundaries. Reconcile segment totals to consolidated results, distinguish continuing operations from disposed businesses, and check whether a prominent non-GAAP measure has a nearby reconciliation.
Record what the filing cannot answer
A 10-K describes a completed reporting period under stated accounting rules. It does not provide a live valuation, guarantee future performance, or answer every competitive question. A good research note separates reported fact, arithmetic derived from compatible facts, management explanation, and the reader’s own inference.
A worked example
Suppose a company reports higher annual revenue but lower operating cash flow. A first pass should not stop at the income statement. Trace the difference through the cash-flow reconciliation, working-capital notes, debt disclosures, and management’s liquidity discussion.
| Stop | Question | Evidence to record |
|---|---|---|
| Cover and filing header | What period and entity is this? | Form, filed date, period end |
| Business and segments | How does the company make money? | Products, customers, segment definitions |
| MD&A | What does management say changed? | Drivers, uncertainties, liquidity discussion |
| Statements and notes | What was actually reported? | Amounts, units, policies, commitments |
Section headings and disclosure depth vary. Foreign private issuers may use Form 20-F, and smaller reporting companies can have different requirements. Always use the complete filing and amendments from the SEC rather than relying only on a summary.
REAL-FILING PRACTICE
Connect Microsoft's segment narrative to the audited numbers
Microsoft Corporation · FY2026 Form 10-K
Follow one question—did Intelligent Cloud grow profitably?—through the annual filing instead of reading it in order.
Where to look: Item 7, Intelligent Cloud segment results; Note 18, segment information. Open the complete SEC filing ↗
- Define the business. Confirm that Intelligent Cloud contains Azure and other cloud services, server products, and enterprise services; its totals are not Azure-only statements.
- Read management's explanation. Item 7 reports that AI infrastructure investment raised cost of revenue and pressured gross-margin percentage, partly offset by Azure efficiency gains.
- Tie the narrative to Note 18. Record revenue of $137.791 billion and operating income of $56.972 billion for FY2026, versus $106.265 billion and $44.589 billion for FY2025.
- Calculate transparently. Divide segment operating income by segment revenue for each year and retain the segment-definition limitation.
$56.972B ÷ $137.791B = 41.35%; $44.589B ÷ $106.265B = 41.96%, a decline of about 0.61 percentage points.
Evidence-based conclusion: The segment produced more operating income while operating margin declined slightly; both statements can be true at the same time.
Limit: The filing does not provide standalone Azure operating income, and the two observations do not establish future margin direction.
Questions to take into a report
- Am I reading the latest annual filing and any amendment?
- Which note defines the measure I am using?
- What important question remains unanswered after the filing?
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Primary reading and preparation
Original explanation and arithmetic prepared with automated assistance from the linked primary references. Release checks cover allowed sources, citation links, numeric consistency, and prohibited advice language. Michael Delgado is accountable for corrections. Arqaris does not claim independent human, accounting, or legal review. Check the complete source filing for context. Research and educational purposes only. Not investment advice.
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